Require Export fintype.
Require Import Vectors.Vector Lia.
Require Import Utils.Various_utils.
Import VectorNotations.
Section row.
Context {w : nat}.
Inductive row (nrow : nat) : Type :=
| var_row : fin w -> (fin) (nrow) -> row (nrow)
| abst : Vector.t (row ((S) nrow)) w -> row (nrow)
| halt : row (nrow).
Require Import Vectors.Vector Lia.
Require Import Utils.Various_utils.
Import VectorNotations.
Section row.
Context {w : nat}.
Inductive row (nrow : nat) : Type :=
| var_row : fin w -> (fin) (nrow) -> row (nrow)
| abst : Vector.t (row ((S) nrow)) w -> row (nrow)
| halt : row (nrow).
Fixpoint size {n} (r : row n) : nat:=
match r with
| abst _ t => S (vsum (map size t))
| _ => 1
end.
Fact lt_S {l k} : l < S k -> (l = k) + (l < k).
Proof. intros Hk. destruct (Compare_dec.lt_eq_lt_dec l k) as [[H|H]|H]; auto. lia.
Qed.
Lemma row_size_ind (P : forall nrow, row nrow -> Prop) :
(forall nrow x, (forall mrow y, size y < size x -> P mrow y) -> P nrow x) ->
forall nrow x, P nrow x.
Proof. intro H. intros. apply H. induction (size x); intros. lia. destruct (lt_S H0).
-apply H. rewrite e. apply IHn.
-apply IHn,l.
Qed.
Fact inSize {n} {t : Vector.t (row (S n)) w} {a} : In a t -> size a < size (abst _ t).
Proof. intro. cbn. assert (In (size a) (map size t)).
{ induction H. now apply In_cons_hd. now apply In_cons_tl. }
pose (in_smaller _ _ H0). lia.
Qed.
Lemma row_vect_ind (P : forall nrow, row nrow -> Prop):
(forall nrow (f : fin w) (f0 : fin nrow), P nrow (var_row nrow f f0)) ->
(forall nrow (t : t (row (S nrow)) w), Forall (P (S nrow)) t -> P nrow (abst nrow t)) ->
(forall nrow, P nrow (halt nrow)) ->
forall nrow (r : row nrow), P nrow r.
Proof. intros Hv Ha Hh. eapply row_size_ind. destruct x; intros. 1,3: auto.
apply Ha. apply Forall_forall. intros. apply H. now apply inSize.
Qed.
match r with
| abst _ t => S (vsum (map size t))
| _ => 1
end.
Fact lt_S {l k} : l < S k -> (l = k) + (l < k).
Proof. intros Hk. destruct (Compare_dec.lt_eq_lt_dec l k) as [[H|H]|H]; auto. lia.
Qed.
Lemma row_size_ind (P : forall nrow, row nrow -> Prop) :
(forall nrow x, (forall mrow y, size y < size x -> P mrow y) -> P nrow x) ->
forall nrow x, P nrow x.
Proof. intro H. intros. apply H. induction (size x); intros. lia. destruct (lt_S H0).
-apply H. rewrite e. apply IHn.
-apply IHn,l.
Qed.
Fact inSize {n} {t : Vector.t (row (S n)) w} {a} : In a t -> size a < size (abst _ t).
Proof. intro. cbn. assert (In (size a) (map size t)).
{ induction H. now apply In_cons_hd. now apply In_cons_tl. }
pose (in_smaller _ _ H0). lia.
Qed.
Lemma row_vect_ind (P : forall nrow, row nrow -> Prop):
(forall nrow (f : fin w) (f0 : fin nrow), P nrow (var_row nrow f f0)) ->
(forall nrow (t : t (row (S nrow)) w), Forall (P (S nrow)) t -> P nrow (abst nrow t)) ->
(forall nrow, P nrow (halt nrow)) ->
forall nrow (r : row nrow), P nrow r.
Proof. intros Hv Ha Hh. eapply row_size_ind. destruct x; intros. 1,3: auto.
apply Ha. apply Forall_forall. intros. apply H. now apply inSize.
Qed.
Modified Autosubst output
Renamings and substitutions have an extra argument to access the vectors, this argument remains unchanged when the renaming or substitution is modified
Lemma congr_abst { mrow : nat } { s0 : Vector.t (row ((S) mrow)) w } { t0 : Vector.t (row ((S) mrow)) w } (H1 : s0 = t0) : abst (mrow) s0 = abst (mrow) t0 .
Proof. congruence. Qed.
Lemma congr_halt { mrow : nat } : halt (mrow) = halt (mrow) .
Proof. congruence. Qed.
Definition upRen_row_row { m : nat } { n : nat } (xi : (fin) (m) -> (fin) (n)) : (fin) ((S) (m)) -> (fin) ((S) (n)) :=
(up_ren) xi.
Fixpoint ren_row { mrow : nat } { nrow : nat } (xirow : (fin) (mrow) -> (fin) (nrow)) (s : row (mrow)) : row (nrow) :=
match s return row (nrow) with
| var_row (_) i s => (var_row (nrow) i) (xirow s)
| abst (_) s0 => abst (nrow) (map (ren_row (upRen_row_row xirow)) s0)
| halt (_) => halt (nrow)
end.
Definition up_row_row { m : nat } { nrow : nat } (sigma : fin w -> (fin) (m) -> row (nrow)) : fin w -> (fin) ((S) (m)) -> row ((S) nrow) :=
fun i => (scons) ((var_row ((S) nrow) i) (var_zero)) ((funcomp) (ren_row (shift)) (sigma i)).
Fixpoint subst_row { mrow : nat } { nrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (nrow)) (s : row (mrow)) : row (nrow) :=
match s return row (nrow) with
| var_row (_) i s => sigmarow i s
| abst (_) s0 => abst (nrow) (map (subst_row (up_row_row sigmarow)) s0)
| halt (_) => halt (nrow)
end.
Definition upId_row_row { mrow : nat } (sigma : fin w -> (fin) (mrow) -> row (mrow)) (Eq : forall i x, sigma i x = (var_row (mrow) i) x) : forall i x, (up_row_row sigma) i x = (var_row ((S) mrow) i) x :=
fun i n => match n with
| Some fin_n => (ap) (ren_row (shift)) (Eq i fin_n)
| None => eq_refl
end.
(* Fixpoint idSubst_row { mrow : nat } (sigmarow : (fin) (mrow) -> row (mrow)) (Eqrow : forall x, sigmarow x = (var_row (mrow)) x) (s : row (mrow)) : subst_row sigmarow s = s :=
match s return subst_row sigmarow s = s with
| var_row (_) s => Eqrow s
| abst (_) s0 => congr_abst ((idSubst_row (up_row_row sigmarow) (upId_row_row (_) Eqrow)) s0)
| halt (_) => congr_halt
end. *)
Lemma idSubst_row' { mrow : nat } (s : row (mrow)):
forall (sigmarow : fin w -> (fin) (mrow) -> row (mrow)) (Eqrow : forall i x, sigmarow i x = (var_row (mrow) i) x), subst_row sigmarow s = s.
Proof. apply (row_vect_ind (fun n (s : row n) => forall (sig : fin w -> fin n -> row n) (Eq : forall (i : fin w) (x : fin n), sig i x = var_row n i x), subst_row sig s = s)); intros.
-apply Eq.
-apply congr_abst. rewrite (map_ext_in _ _ _ id). apply map_id. unfold id. apply Forall_forall.
apply (Forall_impl _ (fun s : row (S nrow) => forall sig : fin w -> fin (S nrow) -> row (S nrow), (forall (i : fin w) (x : fin (S nrow)), sig i x = var_row (S nrow) i x) -> subst_row sig s = s)); auto.
intros. apply H0. apply (upId_row_row _ Eq).
-apply congr_halt.
Defined.
Definition idSubst_row { mrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (mrow)) (Eqrow : forall i x, sigmarow i x = (var_row (mrow)i ) x) (s : row (mrow)) : subst_row sigmarow s = s.
Proof. now apply idSubst_row'. Defined.
Definition upExtRen_row_row { m : nat } { n : nat } (xi : (fin) (m) -> (fin) (n)) (zeta : (fin) (m) -> (fin) (n)) (Eq : forall x, xi x = zeta x) : forall x, (upRen_row_row xi) x = (upRen_row_row zeta) x :=
fun n => match n with
| Some fin_n => (ap) (shift) (Eq fin_n)
| None => eq_refl
end.
(* Fixpoint extRen_row { mrow : nat } { nrow : nat } (xirow : (fin) (mrow) -> (fin) (nrow)) (zetarow : (fin) (mrow) -> (fin) (nrow)) (Eqrow : forall x, xirow x = zetarow x) (s : row (mrow)) : ren_row xirow s = ren_row zetarow s :=
match s return ren_row xirow s = ren_row zetarow s with
| var_row (_) s => (ap) (var_row (nrow)) (Eqrow s)
| abst (_) s0 => congr_abst ((extRen_row (upRen_row_row xirow) (upRen_row_row zetarow) (upExtRen_row_row (_) (_) Eqrow)) s0)
| halt (_) => congr_halt
end. *)
Lemma extRen_row' { mrow : nat } (s : row (mrow)) :
forall (nrow : nat) (xirow : (fin) (mrow) -> (fin) (nrow)) (zetarow : (fin) (mrow) -> (fin) (nrow)) (Eqrow : forall x, xirow x = zetarow x), ren_row xirow s = ren_row zetarow s.
Proof. eapply (row_vect_ind (fun m r => forall n xi zeta (Eq : forall x, xi x = zeta x), ren_row xi r = ren_row zeta r)); intros.
- apply (ap (var_row _ f) (Eq f0)).
- apply congr_abst. apply map_ext_in. apply Forall_forall.
apply (Forall_impl _ (fun r => forall (n : nat) (xi zeta : fin (S nrow) -> fin n), (forall x : fin (S nrow), xi x = zeta x) -> ren_row xi r = ren_row zeta r) ); auto.
intros. apply H0. apply upExtRen_row_row,Eq.
- apply congr_halt.
Defined.
Definition extRen_row { mrow : nat } { nrow : nat } (xirow : (fin) (mrow) -> (fin) (nrow)) (zetarow : (fin) (mrow) -> (fin) (nrow)) (Eqrow : forall x, xirow x = zetarow x) (s : row (mrow)) : ren_row xirow s = ren_row zetarow s.
Proof. now apply extRen_row'. Defined.
Definition upExt_row_row { m : nat } { nrow : nat } (sigma : fin w -> (fin) (m) -> row (nrow)) (tau : fin w -> (fin) (m) -> row (nrow)) (Eq : forall i x, sigma i x = tau i x) : forall i x, (up_row_row sigma) i x = (up_row_row tau) i x :=
fun i n => match n with
| Some fin_n => (ap) (ren_row (shift)) (Eq i fin_n)
| None => eq_refl
end.
(* Fixpoint ext_row { mrow : nat } { nrow : nat } (sigmarow : (fin) (mrow) -> row (nrow)) (taurow : (fin) (mrow) -> row (nrow)) (Eqrow : forall x, sigmarow x = taurow x) (s : row (mrow)) : subst_row sigmarow s = subst_row taurow s :=
match s return subst_row sigmarow s = subst_row taurow s with
| var_row (_) s => Eqrow s
| abst (_) s0 => congr_abst ((ext_row (up_row_row sigmarow) (up_row_row taurow) (upExt_row_row (_) (_) Eqrow)) s0)
| halt (_) => congr_halt
end. *)
Lemma ext_row' { mrow : nat } (s : row (mrow)):
forall (nrow : nat) (sigmarow : fin w -> (fin) (mrow) -> row (nrow)) (taurow : fin w -> (fin) (mrow) -> row (nrow)) (Eqrow : forall i x, sigmarow i x = taurow i x), subst_row sigmarow s = subst_row taurow s.
Proof. apply (row_vect_ind (fun m r => forall (nrow : nat) (sigmarow taurow : fin w -> fin m -> row nrow) (Eq: forall (i : fin w) (x : fin m), sigmarow i x = taurow i x), subst_row sigmarow r = subst_row taurow r)); intros.
- apply Eq.
- apply congr_abst. apply map_ext_in. apply Forall_forall.
apply (Forall_impl _ (fun r : row (S nrow) => forall (nrow0 : nat) (sigmarow taurow : fin w -> fin (S nrow) -> row nrow0), (forall (i : fin w) (x : fin (S nrow)), sigmarow i x = taurow i x) -> subst_row sigmarow r = subst_row taurow r)); auto.
intros. apply H0. apply upExt_row_row,Eq.
- apply congr_halt.
Defined.
Definition ext_row { mrow : nat } { nrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (nrow)) (taurow : fin w -> (fin) (mrow) -> row (nrow)) (Eqrow : forall i x, sigmarow i x = taurow i x) (s : row (mrow)) : subst_row sigmarow s = subst_row taurow s.
Proof. now apply ext_row'. Defined.
Definition up_ren_ren_row_row { k : nat } { l : nat } { m : nat } (xi : (fin) (k) -> (fin) (l)) (tau : (fin) (l) -> (fin) (m)) (theta : (fin) (k) -> (fin) (m)) (Eq : forall x, ((funcomp) tau xi) x = theta x) : forall x, ((funcomp) (upRen_row_row tau) (upRen_row_row xi)) x = (upRen_row_row theta) x :=
up_ren_ren xi tau theta Eq.
(* Fixpoint compRenRen_row { krow : nat } { lrow : nat } { mrow : nat } (xirow : (fin) (mrow) -> (fin) (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) (rhorow : (fin) (mrow) -> (fin) (lrow)) (Eqrow : forall x, ((funcomp) zetarow xirow) x = rhorow x) (s : row (mrow)) : ren_row zetarow (ren_row xirow s) = ren_row rhorow s :=
match s return ren_row zetarow (ren_row xirow s) = ren_row rhorow s with
| var_row (_) s => (ap) (var_row (lrow)) (Eqrow s)
| abst (_) s0 => congr_abst ((compRenRen_row (upRen_row_row xirow) (upRen_row_row zetarow) (upRen_row_row rhorow) (up_ren_ren (_) (_) (_) Eqrow)) s0)
| halt (_) => congr_halt
end. *)
Lemma compRenRen_row' m (s : row m):
forall { krow : nat } { lrow : nat } (xirow : (fin) (m) -> (fin) (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) (rhorow : (fin) (m) -> (fin) (lrow)) (Eqrow : forall x, ((funcomp) zetarow xirow) x = rhorow x), ren_row zetarow (ren_row xirow s) = ren_row rhorow s.
Proof. apply (row_vect_ind (fun m s => forall (krow lrow : nat) (xirow : fin m -> fin krow) (zetarow : fin krow -> fin lrow) (rhorow : fin m -> fin lrow) (Eq : forall x : fin m, (xirow >> zetarow) x = rhorow x), ren_row zetarow (ren_row xirow s) = ren_row rhorow s)); intros.
- apply (ap (var_row lrow f) (Eq f0)).
- apply congr_abst. rewrite map_map. apply map_ext_in. apply Forall_forall.
apply (Forall_impl _ (fun s : row (S nrow) => forall (krow lrow : nat) (xirow : fin (S nrow) -> fin krow) (zetarow : fin krow -> fin lrow) (rhorow : fin (S nrow) -> fin lrow), (forall x : fin (S nrow), (xirow >> zetarow) x = rhorow x) -> ren_row zetarow (ren_row xirow s) = ren_row rhorow s)); auto.
intros. apply H0. apply up_ren_ren,Eq.
- apply congr_halt.
Defined.
Definition compRenRen_row { krow : nat } { lrow : nat } { mrow : nat } (xirow : (fin) (mrow) -> (fin) (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) (rhorow : (fin) (mrow) -> (fin) (lrow)) (Eqrow : forall x, ((funcomp) zetarow xirow) x = rhorow x) (s : row (mrow)) : ren_row zetarow (ren_row xirow s) = ren_row rhorow s.
Proof. now apply compRenRen_row'. Defined.
Definition up_ren_subst_row_row { k : nat } { l : nat } { mrow : nat } (xi : (fin) (k) -> (fin) (l)) (tau : fin w -> (fin) (l) -> row (mrow)) (theta : fin w -> (fin) (k) -> row (mrow)) (Eq : forall i x, ((funcomp) (tau i) xi) x = theta i x) : forall i x, ((funcomp) (up_row_row tau i) (upRen_row_row xi)) x = (up_row_row theta) i x :=
fun i n => match n with
| Some fin_n => (ap) (ren_row (shift)) (Eq i fin_n)
| None => eq_refl
end.
(* Fixpoint compRenSubst_row { krow : nat } { lrow : nat } { mrow : nat } (xirow : (fin) (mrow) -> (fin) (krow)) (taurow : (fin) (krow) -> row (lrow)) (thetarow : (fin) (mrow) -> row (lrow)) (Eqrow : forall x, ((funcomp) taurow xirow) x = thetarow x) (s : row (mrow)) : subst_row taurow (ren_row xirow s) = subst_row thetarow s :=
match s return subst_row taurow (ren_row xirow s) = subst_row thetarow s with
| var_row (_) s => Eqrow s
| abst (_) s0 => congr_abst ((compRenSubst_row (upRen_row_row xirow) (up_row_row taurow) (up_row_row thetarow) (up_ren_subst_row_row (_) (_) (_) Eqrow)) s0)
| halt (_) => congr_halt
end. *)
Lemma compRenSubst_row' m (s : row m):
forall { krow : nat } { lrow : nat } (xirow : (fin) m -> (fin) (krow)) (taurow : fin w -> (fin) (krow) -> row (lrow)) (thetarow : fin w -> (fin) m -> row (lrow)) (Eqrow : forall i x, ((funcomp) (taurow i) xirow) x = thetarow i x), subst_row taurow (ren_row xirow s) = subst_row thetarow s.
Proof. apply (row_vect_ind (fun m s => forall (krow lrow : nat) (xirow : fin m -> fin krow) (taurow : fin w -> fin krow -> row lrow) (thetarow : fin w -> fin m -> row lrow) (Eq : forall (i : fin w) (x : fin m), (xirow >> taurow i) x = thetarow i x), subst_row taurow (ren_row xirow s) = subst_row thetarow s)); intros.
- apply Eq.
- apply congr_abst. rewrite map_map. apply map_ext_in. apply Forall_forall.
apply (Forall_impl _ (fun s : row (S nrow) => forall (krow lrow : nat) (xirow : fin (S nrow) -> fin krow) (taurow : fin w -> fin krow -> row lrow) (thetarow : fin w -> fin (S nrow) -> row lrow), (forall (i : fin w) (x : fin (S nrow)), (xirow >> taurow i) x = thetarow i x) -> subst_row taurow (ren_row xirow s) = subst_row thetarow s)); auto.
intros. apply H0. apply up_ren_subst_row_row,Eq.
- apply congr_halt.
Defined.
Definition compRenSubst_row { krow : nat } { lrow : nat } { mrow : nat } (xirow : (fin) (mrow) -> (fin) (krow)) (taurow : fin w -> (fin) (krow) -> row (lrow)) (thetarow : fin w -> (fin) (mrow) -> row (lrow)) (Eqrow : forall i x, ((funcomp) (taurow i) xirow) x = thetarow i x) (s : row (mrow)) : subst_row taurow (ren_row xirow s) = subst_row thetarow s.
Proof. now apply compRenSubst_row'. Defined.
Definition up_subst_ren_row_row { k : nat } { lrow : nat } { mrow : nat } (sigma : fin w -> (fin) (k) -> row (lrow)) (zetarow : (fin) (lrow) -> (fin) (mrow)) (theta : fin w -> (fin) (k) -> row (mrow)) (Eq : forall i x, ((funcomp) (ren_row zetarow) (sigma i)) x = theta i x) : forall i x, ((funcomp) (ren_row (upRen_row_row zetarow)) (up_row_row sigma i)) x = (up_row_row theta) i x :=
fun i n => match n with
| Some fin_n => (eq_trans) (compRenRen_row (shift) (upRen_row_row zetarow) ((funcomp) (shift) zetarow) (fun x => eq_refl) (sigma i fin_n)) ((eq_trans) ((eq_sym) (compRenRen_row zetarow (shift) ((funcomp) (shift) zetarow) (fun x => eq_refl) (sigma i fin_n))) ((ap) (ren_row (shift)) (Eq i fin_n)))
| None => eq_refl
end.
(* Fixpoint compSubstRen_row { krow : nat } { lrow : nat } { mrow : nat } (sigmarow : (fin) (mrow) -> row (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) (thetarow : (fin) (mrow) -> row (lrow)) (Eqrow : forall x, ((funcomp) (ren_row zetarow) sigmarow) x = thetarow x) (s : row (mrow)) : ren_row zetarow (subst_row sigmarow s) = subst_row thetarow s :=
match s return ren_row zetarow (subst_row sigmarow s) = subst_row thetarow s with
| var_row (_) s => Eqrow s
| abst (_) s0 => congr_abst ((compSubstRen_row (up_row_row sigmarow) (upRen_row_row zetarow) (up_row_row thetarow) (up_subst_ren_row_row (_) (_) (_) Eqrow)) s0)
| halt (_) => congr_halt
end. *)
Lemma compSubstRen_row' m (s : row m):
forall { krow : nat } { lrow : nat } (sigmarow : fin w -> (fin) m -> row (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) (thetarow : fin w -> (fin) m -> row (lrow)) (Eqrow : forall i x, ((funcomp) (ren_row zetarow) (sigmarow i)) x = thetarow i x), ren_row zetarow (subst_row sigmarow s) = subst_row thetarow s.
Proof. apply (row_vect_ind (fun m s => forall (krow lrow : nat) (sigmarow : fin w -> fin m -> row krow) (zetarow : fin krow -> fin lrow) (thetarow : fin w -> fin m -> row lrow) (Eq: forall (i : fin w) (x : fin m), (sigmarow i >> ren_row zetarow) x = thetarow i x), ren_row zetarow (subst_row sigmarow s) = subst_row thetarow s)); intros.
- apply Eq.
- apply congr_abst. rewrite map_map. apply map_ext_in. apply Forall_forall.
apply (Forall_impl _ (fun s : row (S nrow) => forall (krow lrow : nat) (sigmarow : fin w -> fin (S nrow) -> row krow) (zetarow : fin krow -> fin lrow) (thetarow : fin w -> fin (S nrow) -> row lrow), (forall (i : fin w) (x : fin (S nrow)), (sigmarow i >> ren_row zetarow) x = thetarow i x) -> ren_row zetarow (subst_row sigmarow s) = subst_row thetarow s)); auto.
intros. apply H0. apply up_subst_ren_row_row,Eq.
- apply congr_halt.
Defined.
Definition compSubstRen_row { krow : nat } { lrow : nat } { mrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) (thetarow : fin w -> (fin) (mrow) -> row (lrow)) (Eqrow : forall i x, ((funcomp) (ren_row zetarow) (sigmarow i)) x = thetarow i x) (s : row (mrow)) : ren_row zetarow (subst_row sigmarow s) = subst_row thetarow s.
Proof. now apply compSubstRen_row'. Defined.
(* Definition up_subst_subst_row_row { k : nat } { lrow : nat } { mrow : nat } (sigma : fin w -> (fin) (k) -> row (lrow)) (taurow : fin w -> (fin) (lrow) -> row (mrow)) (theta : fin w -> (fin) (k) -> row (mrow)) (Eq : forall i x, ((funcomp) (subst_row (taurow)) (sigma i)) x = theta i x) : forall i x, ((funcomp) (subst_row (up_row_row taurow)) (up_row_row sigma i)) x = (up_row_row theta) i x :=
fun i n => match n with
| Some fin_n => (eq_trans) (compRenSubst_row (shift) (up_row_row taurow) ((funcomp) (up_row_row taurow) (shift)) (fun x => eq_refl) (sigma fin_n)) ((eq_trans) ((eq_sym) (compSubstRen_row taurow (shift) ((funcomp) (ren_row (shift)) taurow) (fun x => eq_refl) (sigma fin_n))) ((ap) (ren_row (shift)) (Eq fin_n)))
| None => eq_refl
end.
*)
Definition up_subst_subst_row_row { k : nat } { lrow : nat } { mrow : nat } (sigma : fin w -> (fin) (k) -> row (lrow)) (taurow : fin w -> (fin) (lrow) -> row (mrow)) (theta : fin w -> (fin) (k) -> row (mrow)) (Eq : forall i x, ((funcomp) (subst_row (taurow)) (sigma i)) x = theta i x) : forall i x, ((funcomp) (subst_row (up_row_row taurow)) (up_row_row sigma i)) x = (up_row_row theta) i x.
Proof. intros i [j |]. 2: apply eq_refl. apply (eq_trans (compRenSubst_row ↑ (up_row_row taurow) (fun i => ↑ >> up_row_row taurow i) (fun _ _ => eq_refl) (sigma i j) )).
apply (eq_trans (eq_sym (compSubstRen_row taurow ↑ (fun i => taurow i >> ren_row ↑) (fun _ _ => eq_refl) (sigma i j)))).
apply (ap (ren_row ↑)), Eq.
Defined.
(* Fixpoint compSubstSubst_row { krow : nat } { lrow : nat } { mrow : nat } (sigmarow : (fin) (mrow) -> row (krow)) (taurow : (fin) (krow) -> row (lrow)) (thetarow : (fin) (mrow) -> row (lrow)) (Eqrow : forall x, ((funcomp) (subst_row taurow) sigmarow) x = thetarow x) (s : row (mrow)) : subst_row taurow (subst_row sigmarow s) = subst_row thetarow s :=
match s return subst_row taurow (subst_row sigmarow s) = subst_row thetarow s with
| var_row (_) s => Eqrow s
| abst (_) s0 => congr_abst ((compSubstSubst_row (up_row_row sigmarow) (up_row_row taurow) (up_row_row thetarow) (up_subst_subst_row_row (_) (_) (_) Eqrow)) s0)
| halt (_) => congr_halt
end. *)
Lemma compSubstSubst_row' m (s : row m) :
forall { krow : nat } { lrow : nat } (sigmarow : fin w -> (fin) m -> row (krow)) (taurow : fin w -> (fin) (krow) -> row (lrow)) (thetarow : fin w -> (fin) (m) -> row (lrow)) (Eqrow : forall i x, ((funcomp) (subst_row taurow) (sigmarow i)) x = thetarow i x), subst_row taurow (subst_row sigmarow s) = subst_row thetarow s.
Proof. apply (row_vect_ind (fun m s => forall (krow lrow : nat) (sigmarow : fin w -> fin m -> row krow) (taurow : fin w -> fin krow -> row lrow) (thetarow : fin w -> fin m -> row lrow) (Eq : forall (i : fin w) (x : fin m), (sigmarow i >> subst_row taurow) x = thetarow i x), subst_row taurow (subst_row sigmarow s) = subst_row thetarow s)); intros.
-apply Eq.
-apply congr_abst. rewrite map_map. apply map_ext_in. apply Forall_forall.
apply (Forall_impl _ (fun s : row (S nrow) => forall (krow lrow : nat) (sigmarow : fin w -> fin (S nrow) -> row krow) (taurow : fin w -> fin krow -> row lrow) (thetarow : fin w -> fin (S nrow) -> row lrow), (forall (i : fin w) (x : fin (S nrow)), (sigmarow i >> subst_row taurow) x = thetarow i x) -> subst_row taurow (subst_row sigmarow s) = subst_row thetarow s)); auto.
intros. apply H0. apply up_subst_subst_row_row,Eq.
-apply congr_halt.
Defined.
Definition compSubstSubst_row { krow : nat } { lrow : nat } { mrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (krow)) (taurow : fin w -> (fin) (krow) -> row (lrow)) (thetarow : fin w -> (fin) (mrow) -> row (lrow)) (Eqrow : forall i x, ((funcomp) (subst_row taurow) (sigmarow i)) x = thetarow i x) (s : row (mrow)) : subst_row taurow (subst_row sigmarow s) = subst_row thetarow s.
Proof. now apply compSubstSubst_row'. Defined.
Definition rinstInst_up_row_row { m : nat } { nrow : nat } (xi : (fin) (m) -> (fin) (nrow)) (sigma : fin w -> (fin) (m) -> row (nrow)) (Eq : forall i x, ((funcomp) (var_row (nrow) i) xi) x = sigma i x) : forall i x, ((funcomp) (var_row ((S) nrow) i) (upRen_row_row xi)) x = (up_row_row sigma) i x :=
fun i n => match n with
| Some fin_n => (ap) (ren_row (shift)) (Eq i fin_n)
| None => eq_refl
end.
(* Fixpoint rinst_inst_row { mrow : nat } { nrow : nat } (xirow : (fin) (mrow) -> (fin) (nrow)) (sigmarow : (fin) (mrow) -> row (nrow)) (Eqrow : forall x, ((funcomp) (var_row (nrow)) xirow) x = sigmarow x) (s : row (mrow)) : ren_row xirow s = subst_row sigmarow s :=
match s return ren_row xirow s = subst_row sigmarow s with
| var_row (_) s => Eqrow s
| abst (_) s0 => congr_abst ((rinst_inst_row (upRen_row_row xirow) (up_row_row sigmarow) (rinstInst_up_row_row (_) (_) Eqrow)) s0)
| halt (_) => congr_halt
end. *)
Lemma rinst_inst_row' m (s : row m) :
forall { nrow : nat } (xirow : (fin) (m) -> (fin) (nrow)) (sigmarow : fin w -> (fin) (m) -> row (nrow)) (Eqrow : forall i x, ((funcomp) (var_row (nrow) i) xirow) x = sigmarow i x), ren_row xirow s = subst_row sigmarow s.
Proof. apply (row_vect_ind (fun m s => forall (nrow : nat) (xirow : fin m -> fin nrow) (sigmarow : fin w -> fin m -> row nrow) (Eq : forall (i : fin w) (x : fin m), (xirow >> var_row nrow i) x = sigmarow i x), ren_row xirow s = subst_row sigmarow s)); intros.
-apply Eq.
-apply congr_abst. apply map_ext_in. apply Forall_forall.
apply (Forall_impl _ (fun s : row (S nrow) => forall (nrow0 : nat) (xirow : fin (S nrow) -> fin nrow0) (sigmarow : fin w -> fin (S nrow) -> row nrow0), (forall (i : fin w) (x : fin (S nrow)), (xirow >> var_row nrow0 i) x = sigmarow i x) -> ren_row xirow s = subst_row sigmarow s)); auto.
intros. apply H0. apply rinstInst_up_row_row,Eq.
-apply congr_halt.
Defined.
Definition rinst_inst_row { mrow : nat } { nrow : nat } (xirow : (fin) (mrow) -> (fin) (nrow)) (sigmarow : fin w -> (fin) (mrow) -> row (nrow)) (Eqrow : forall i x, ((funcomp) (var_row (nrow) i) xirow) x = sigmarow i x) (s : row (mrow)) : ren_row xirow s = subst_row sigmarow s.
Proof. now apply rinst_inst_row'. Defined.
Lemma rinstInst_row { mrow : nat } { nrow : nat } (xirow : (fin) (mrow) -> (fin) (nrow)) : ren_row xirow = subst_row (fun i => (funcomp) (var_row (nrow) i) xirow) .
Proof. exact ((FunctionalExtensionality.functional_extensionality _ _ ) (fun x => rinst_inst_row xirow (_) (fun _ n => eq_refl) x)). Qed.
Lemma instId_row { mrow : nat } : subst_row (var_row (mrow)) = id .
Proof. exact ((FunctionalExtensionality.functional_extensionality _ _ ) (fun x => idSubst_row (var_row (mrow)) (fun _ n => eq_refl) ((id) x))). Qed.
Lemma rinstId_row { mrow : nat } : @ren_row (mrow) (mrow) (id) = id .
Proof. exact ((eq_trans) (rinstInst_row ((id) (_))) instId_row). Qed.
Lemma varL_row { mrow : nat } { nrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (nrow)) : (fun i => (funcomp) (subst_row sigmarow) (var_row (mrow) i)) = sigmarow .
Proof. exact ((FunctionalExtensionality.functional_extensionality _ _ ) (fun x => eq_refl)). Qed.
Lemma varLRen_row { mrow : nat } { nrow : nat } (xirow : (fin) (mrow) -> (fin) (nrow)) : (fun i => (funcomp) (ren_row xirow) (var_row (mrow) i)) = (fun i => (funcomp) (var_row (nrow) i) xirow) .
Proof. exact ((FunctionalExtensionality.functional_extensionality _ _ ) (fun x => eq_refl)). Qed.
Lemma compComp_row { krow : nat } { lrow : nat } { mrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (krow)) (taurow : fin w -> (fin) (krow) -> row (lrow)) (s : row (mrow)) : subst_row taurow (subst_row sigmarow s) = subst_row (fun i => (funcomp) (subst_row taurow) (sigmarow i)) s .
Proof. exact (compSubstSubst_row sigmarow taurow (_) (fun _ n => eq_refl) s). Qed.
Lemma compComp'_row { krow : nat } { lrow : nat } { mrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (krow)) (taurow : fin w -> (fin) (krow) -> row (lrow)) : (funcomp) (subst_row taurow) (subst_row sigmarow) = subst_row (fun i => (funcomp) (subst_row taurow) (sigmarow i)) .
Proof. exact ((FunctionalExtensionality.functional_extensionality _ _ ) (fun n => compComp_row sigmarow taurow n)). Qed.
Lemma compRen_row { krow : nat } { lrow : nat } { mrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) (s : row (mrow)) : ren_row zetarow (subst_row sigmarow s) = subst_row (fun i => (funcomp) (ren_row zetarow) (sigmarow i)) s .
Proof. exact (compSubstRen_row sigmarow zetarow (_) (fun _ n => eq_refl) s). Qed.
Lemma compRen'_row { krow : nat } { lrow : nat } { mrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) : (funcomp) (ren_row zetarow) (subst_row sigmarow) = subst_row (fun i => (funcomp) (ren_row zetarow) (sigmarow i)) .
Proof. exact ((FunctionalExtensionality.functional_extensionality _ _ ) (fun n => compRen_row sigmarow zetarow n)). Qed.
Lemma renComp_row { krow : nat } { lrow : nat } { mrow : nat } (xirow : (fin) (mrow) -> (fin) (krow)) (taurow : fin w -> (fin) (krow) -> row (lrow)) (s : row (mrow)) : subst_row taurow (ren_row xirow s) = subst_row (fun i => (funcomp) (taurow i) xirow) s .
Proof. exact (compRenSubst_row xirow taurow (_) (fun _ n => eq_refl) s). Qed.
Lemma renComp'_row { krow : nat } { lrow : nat } { mrow : nat } (xirow : (fin) (mrow) -> (fin) (krow)) (taurow : fin w -> (fin) (krow) -> row (lrow)) : (funcomp) (subst_row taurow) (ren_row xirow) = subst_row (fun i => (funcomp) (taurow i) xirow) .
Proof. exact ((FunctionalExtensionality.functional_extensionality _ _ ) (fun n => renComp_row xirow taurow n)). Qed.
Lemma renRen_row { krow : nat } { lrow : nat } { mrow : nat } (xirow : (fin) (mrow) -> (fin) (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) (s : row (mrow)) : ren_row zetarow (ren_row xirow s) = ren_row ((funcomp) zetarow xirow) s .
Proof. exact (compRenRen_row xirow zetarow (_) (fun n => eq_refl) s). Qed.
Lemma renRen'_row { krow : nat } { lrow : nat } { mrow : nat } (xirow : (fin) (mrow) -> (fin) (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) : (funcomp) (ren_row zetarow) (ren_row xirow) = ren_row ((funcomp) zetarow xirow) .
Proof. exact ((FunctionalExtensionality.functional_extensionality _ _ ) (fun n => renRen_row xirow zetarow n)). Qed.
End row.
Arguments var_row {w} {nrow}.
Arguments abst {w} {nrow}.
Arguments halt {w} {nrow}.
(* Global Instance Subst_row { mrow : nat } { nrow : nat } : Subst1 ((fin) (mrow) -> row (nrow)) (row (mrow)) (row (nrow)) := @subst_row (mrow) (nrow) . *)
(* Global Instance Ren_row { mrow : nat } { nrow : nat } : Ren1 ((fin) (mrow) -> (fin) (nrow)) (row (mrow)) (row (nrow)) := @ren_row (mrow) (nrow) . *)
(* Global Instance VarInstance_row { mrow : nat } : Var ((fin) (mrow)) (row (mrow)) := @var_row (mrow) . *)
(* Notation "x '__row'" := (var_row x) (at level 5, format "x __row") : subst_scope. *)
(* Notation "x '__row'" := (@ids (_) (_) VarInstance_row x) (at level 5, only printing, format "x __row") : subst_scope. *)
(* Notation "'var'" := (var_row) (only printing, at level 1) : subst_scope. *)
Class Up_row X Y := up_row : X -> Y.
(* Notation "↑__row" := (up_row) (only printing) : subst_scope. *)
(* Notation "↑__row" := (up_row_row) (only printing) : subst_scope. *)
(* Global Instance Up_row_row { m : nat } { nrow : nat } : Up_row (_) (_) := @up_row_row (m) (nrow) . *)
(* Notation "s sigmarow " := (subst_row sigmarow s) (at level 7, left associativity, only printing) : subst_scope. *)
(* Notation " sigmarow " := (subst_row sigmarow) (at level 1, left associativity, only printing) : fscope. *)
(* Notation "s ⟨ xirow ⟩" := (ren_row xirow s) (at level 7, left associativity, only printing) : subst_scope. *)
(* Notation "⟨ xirow ⟩" := (ren_row xirow) (at level 1, left associativity, only printing) : fscope. *)
Ltac auto_unfold := repeat unfold subst1, subst2, Subst1, Subst2, ids, ren1, ren2, Ren1, Ren2(* , Subst_row, Ren_row, VarInstance_row *).
Tactic Notation "auto_unfold" "in" "*" := repeat unfold subst1, subst2, Subst1, Subst2, ids, ren1, ren2, Ren1, Ren2(* , Subst_row, Ren_row, VarInstance_row *) in *.
Ltac asimpl' := repeat first [progress rewrite ?instId_row| progress rewrite ?compComp_row| progress rewrite ?compComp'_row| progress rewrite ?rinstId_row| progress rewrite ?compRen_row| progress rewrite ?compRen'_row| progress rewrite ?renComp_row| progress rewrite ?renComp'_row| progress rewrite ?renRen_row| progress rewrite ?renRen'_row| progress rewrite ?varL_row| progress rewrite ?varLRen_row| progress (unfold up_ren, upRen_row_row, up_row_row)| progress (cbn [subst_row ren_row])| fsimpl].
Ltac asimpl := repeat try unfold_funcomp; auto_unfold in *; asimpl'; repeat try unfold_funcomp.
Tactic Notation "asimpl" "in" hyp(J) := revert J; asimpl; intros J.
Tactic Notation "auto_case" := auto_case (asimpl; cbn; eauto).
Tactic Notation "asimpl" "in" "*" := auto_unfold in *; repeat first [progress rewrite ?instId_row in *| progress rewrite ?compComp_row in *| progress rewrite ?compComp'_row in *| progress rewrite ?rinstId_row in *| progress rewrite ?compRen_row in *| progress rewrite ?compRen'_row in *| progress rewrite ?renComp_row in *| progress rewrite ?renComp'_row in *| progress rewrite ?renRen_row in *| progress rewrite ?renRen'_row in *| progress rewrite ?varL_row in *| progress rewrite ?varLRen_row in *| progress (unfold up_ren, upRen_row_row, up_row_row in *)| progress (cbn [subst_row ren_row] in *)| fsimpl in *].
Ltac substify := auto_unfold; try repeat (erewrite rinstInst_row).
Ltac renamify := auto_unfold; try repeat (erewrite <- rinstInst_row).
Proof. congruence. Qed.
Lemma congr_halt { mrow : nat } : halt (mrow) = halt (mrow) .
Proof. congruence. Qed.
Definition upRen_row_row { m : nat } { n : nat } (xi : (fin) (m) -> (fin) (n)) : (fin) ((S) (m)) -> (fin) ((S) (n)) :=
(up_ren) xi.
Fixpoint ren_row { mrow : nat } { nrow : nat } (xirow : (fin) (mrow) -> (fin) (nrow)) (s : row (mrow)) : row (nrow) :=
match s return row (nrow) with
| var_row (_) i s => (var_row (nrow) i) (xirow s)
| abst (_) s0 => abst (nrow) (map (ren_row (upRen_row_row xirow)) s0)
| halt (_) => halt (nrow)
end.
Definition up_row_row { m : nat } { nrow : nat } (sigma : fin w -> (fin) (m) -> row (nrow)) : fin w -> (fin) ((S) (m)) -> row ((S) nrow) :=
fun i => (scons) ((var_row ((S) nrow) i) (var_zero)) ((funcomp) (ren_row (shift)) (sigma i)).
Fixpoint subst_row { mrow : nat } { nrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (nrow)) (s : row (mrow)) : row (nrow) :=
match s return row (nrow) with
| var_row (_) i s => sigmarow i s
| abst (_) s0 => abst (nrow) (map (subst_row (up_row_row sigmarow)) s0)
| halt (_) => halt (nrow)
end.
Definition upId_row_row { mrow : nat } (sigma : fin w -> (fin) (mrow) -> row (mrow)) (Eq : forall i x, sigma i x = (var_row (mrow) i) x) : forall i x, (up_row_row sigma) i x = (var_row ((S) mrow) i) x :=
fun i n => match n with
| Some fin_n => (ap) (ren_row (shift)) (Eq i fin_n)
| None => eq_refl
end.
(* Fixpoint idSubst_row { mrow : nat } (sigmarow : (fin) (mrow) -> row (mrow)) (Eqrow : forall x, sigmarow x = (var_row (mrow)) x) (s : row (mrow)) : subst_row sigmarow s = s :=
match s return subst_row sigmarow s = s with
| var_row (_) s => Eqrow s
| abst (_) s0 => congr_abst ((idSubst_row (up_row_row sigmarow) (upId_row_row (_) Eqrow)) s0)
| halt (_) => congr_halt
end. *)
Lemma idSubst_row' { mrow : nat } (s : row (mrow)):
forall (sigmarow : fin w -> (fin) (mrow) -> row (mrow)) (Eqrow : forall i x, sigmarow i x = (var_row (mrow) i) x), subst_row sigmarow s = s.
Proof. apply (row_vect_ind (fun n (s : row n) => forall (sig : fin w -> fin n -> row n) (Eq : forall (i : fin w) (x : fin n), sig i x = var_row n i x), subst_row sig s = s)); intros.
-apply Eq.
-apply congr_abst. rewrite (map_ext_in _ _ _ id). apply map_id. unfold id. apply Forall_forall.
apply (Forall_impl _ (fun s : row (S nrow) => forall sig : fin w -> fin (S nrow) -> row (S nrow), (forall (i : fin w) (x : fin (S nrow)), sig i x = var_row (S nrow) i x) -> subst_row sig s = s)); auto.
intros. apply H0. apply (upId_row_row _ Eq).
-apply congr_halt.
Defined.
Definition idSubst_row { mrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (mrow)) (Eqrow : forall i x, sigmarow i x = (var_row (mrow)i ) x) (s : row (mrow)) : subst_row sigmarow s = s.
Proof. now apply idSubst_row'. Defined.
Definition upExtRen_row_row { m : nat } { n : nat } (xi : (fin) (m) -> (fin) (n)) (zeta : (fin) (m) -> (fin) (n)) (Eq : forall x, xi x = zeta x) : forall x, (upRen_row_row xi) x = (upRen_row_row zeta) x :=
fun n => match n with
| Some fin_n => (ap) (shift) (Eq fin_n)
| None => eq_refl
end.
(* Fixpoint extRen_row { mrow : nat } { nrow : nat } (xirow : (fin) (mrow) -> (fin) (nrow)) (zetarow : (fin) (mrow) -> (fin) (nrow)) (Eqrow : forall x, xirow x = zetarow x) (s : row (mrow)) : ren_row xirow s = ren_row zetarow s :=
match s return ren_row xirow s = ren_row zetarow s with
| var_row (_) s => (ap) (var_row (nrow)) (Eqrow s)
| abst (_) s0 => congr_abst ((extRen_row (upRen_row_row xirow) (upRen_row_row zetarow) (upExtRen_row_row (_) (_) Eqrow)) s0)
| halt (_) => congr_halt
end. *)
Lemma extRen_row' { mrow : nat } (s : row (mrow)) :
forall (nrow : nat) (xirow : (fin) (mrow) -> (fin) (nrow)) (zetarow : (fin) (mrow) -> (fin) (nrow)) (Eqrow : forall x, xirow x = zetarow x), ren_row xirow s = ren_row zetarow s.
Proof. eapply (row_vect_ind (fun m r => forall n xi zeta (Eq : forall x, xi x = zeta x), ren_row xi r = ren_row zeta r)); intros.
- apply (ap (var_row _ f) (Eq f0)).
- apply congr_abst. apply map_ext_in. apply Forall_forall.
apply (Forall_impl _ (fun r => forall (n : nat) (xi zeta : fin (S nrow) -> fin n), (forall x : fin (S nrow), xi x = zeta x) -> ren_row xi r = ren_row zeta r) ); auto.
intros. apply H0. apply upExtRen_row_row,Eq.
- apply congr_halt.
Defined.
Definition extRen_row { mrow : nat } { nrow : nat } (xirow : (fin) (mrow) -> (fin) (nrow)) (zetarow : (fin) (mrow) -> (fin) (nrow)) (Eqrow : forall x, xirow x = zetarow x) (s : row (mrow)) : ren_row xirow s = ren_row zetarow s.
Proof. now apply extRen_row'. Defined.
Definition upExt_row_row { m : nat } { nrow : nat } (sigma : fin w -> (fin) (m) -> row (nrow)) (tau : fin w -> (fin) (m) -> row (nrow)) (Eq : forall i x, sigma i x = tau i x) : forall i x, (up_row_row sigma) i x = (up_row_row tau) i x :=
fun i n => match n with
| Some fin_n => (ap) (ren_row (shift)) (Eq i fin_n)
| None => eq_refl
end.
(* Fixpoint ext_row { mrow : nat } { nrow : nat } (sigmarow : (fin) (mrow) -> row (nrow)) (taurow : (fin) (mrow) -> row (nrow)) (Eqrow : forall x, sigmarow x = taurow x) (s : row (mrow)) : subst_row sigmarow s = subst_row taurow s :=
match s return subst_row sigmarow s = subst_row taurow s with
| var_row (_) s => Eqrow s
| abst (_) s0 => congr_abst ((ext_row (up_row_row sigmarow) (up_row_row taurow) (upExt_row_row (_) (_) Eqrow)) s0)
| halt (_) => congr_halt
end. *)
Lemma ext_row' { mrow : nat } (s : row (mrow)):
forall (nrow : nat) (sigmarow : fin w -> (fin) (mrow) -> row (nrow)) (taurow : fin w -> (fin) (mrow) -> row (nrow)) (Eqrow : forall i x, sigmarow i x = taurow i x), subst_row sigmarow s = subst_row taurow s.
Proof. apply (row_vect_ind (fun m r => forall (nrow : nat) (sigmarow taurow : fin w -> fin m -> row nrow) (Eq: forall (i : fin w) (x : fin m), sigmarow i x = taurow i x), subst_row sigmarow r = subst_row taurow r)); intros.
- apply Eq.
- apply congr_abst. apply map_ext_in. apply Forall_forall.
apply (Forall_impl _ (fun r : row (S nrow) => forall (nrow0 : nat) (sigmarow taurow : fin w -> fin (S nrow) -> row nrow0), (forall (i : fin w) (x : fin (S nrow)), sigmarow i x = taurow i x) -> subst_row sigmarow r = subst_row taurow r)); auto.
intros. apply H0. apply upExt_row_row,Eq.
- apply congr_halt.
Defined.
Definition ext_row { mrow : nat } { nrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (nrow)) (taurow : fin w -> (fin) (mrow) -> row (nrow)) (Eqrow : forall i x, sigmarow i x = taurow i x) (s : row (mrow)) : subst_row sigmarow s = subst_row taurow s.
Proof. now apply ext_row'. Defined.
Definition up_ren_ren_row_row { k : nat } { l : nat } { m : nat } (xi : (fin) (k) -> (fin) (l)) (tau : (fin) (l) -> (fin) (m)) (theta : (fin) (k) -> (fin) (m)) (Eq : forall x, ((funcomp) tau xi) x = theta x) : forall x, ((funcomp) (upRen_row_row tau) (upRen_row_row xi)) x = (upRen_row_row theta) x :=
up_ren_ren xi tau theta Eq.
(* Fixpoint compRenRen_row { krow : nat } { lrow : nat } { mrow : nat } (xirow : (fin) (mrow) -> (fin) (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) (rhorow : (fin) (mrow) -> (fin) (lrow)) (Eqrow : forall x, ((funcomp) zetarow xirow) x = rhorow x) (s : row (mrow)) : ren_row zetarow (ren_row xirow s) = ren_row rhorow s :=
match s return ren_row zetarow (ren_row xirow s) = ren_row rhorow s with
| var_row (_) s => (ap) (var_row (lrow)) (Eqrow s)
| abst (_) s0 => congr_abst ((compRenRen_row (upRen_row_row xirow) (upRen_row_row zetarow) (upRen_row_row rhorow) (up_ren_ren (_) (_) (_) Eqrow)) s0)
| halt (_) => congr_halt
end. *)
Lemma compRenRen_row' m (s : row m):
forall { krow : nat } { lrow : nat } (xirow : (fin) (m) -> (fin) (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) (rhorow : (fin) (m) -> (fin) (lrow)) (Eqrow : forall x, ((funcomp) zetarow xirow) x = rhorow x), ren_row zetarow (ren_row xirow s) = ren_row rhorow s.
Proof. apply (row_vect_ind (fun m s => forall (krow lrow : nat) (xirow : fin m -> fin krow) (zetarow : fin krow -> fin lrow) (rhorow : fin m -> fin lrow) (Eq : forall x : fin m, (xirow >> zetarow) x = rhorow x), ren_row zetarow (ren_row xirow s) = ren_row rhorow s)); intros.
- apply (ap (var_row lrow f) (Eq f0)).
- apply congr_abst. rewrite map_map. apply map_ext_in. apply Forall_forall.
apply (Forall_impl _ (fun s : row (S nrow) => forall (krow lrow : nat) (xirow : fin (S nrow) -> fin krow) (zetarow : fin krow -> fin lrow) (rhorow : fin (S nrow) -> fin lrow), (forall x : fin (S nrow), (xirow >> zetarow) x = rhorow x) -> ren_row zetarow (ren_row xirow s) = ren_row rhorow s)); auto.
intros. apply H0. apply up_ren_ren,Eq.
- apply congr_halt.
Defined.
Definition compRenRen_row { krow : nat } { lrow : nat } { mrow : nat } (xirow : (fin) (mrow) -> (fin) (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) (rhorow : (fin) (mrow) -> (fin) (lrow)) (Eqrow : forall x, ((funcomp) zetarow xirow) x = rhorow x) (s : row (mrow)) : ren_row zetarow (ren_row xirow s) = ren_row rhorow s.
Proof. now apply compRenRen_row'. Defined.
Definition up_ren_subst_row_row { k : nat } { l : nat } { mrow : nat } (xi : (fin) (k) -> (fin) (l)) (tau : fin w -> (fin) (l) -> row (mrow)) (theta : fin w -> (fin) (k) -> row (mrow)) (Eq : forall i x, ((funcomp) (tau i) xi) x = theta i x) : forall i x, ((funcomp) (up_row_row tau i) (upRen_row_row xi)) x = (up_row_row theta) i x :=
fun i n => match n with
| Some fin_n => (ap) (ren_row (shift)) (Eq i fin_n)
| None => eq_refl
end.
(* Fixpoint compRenSubst_row { krow : nat } { lrow : nat } { mrow : nat } (xirow : (fin) (mrow) -> (fin) (krow)) (taurow : (fin) (krow) -> row (lrow)) (thetarow : (fin) (mrow) -> row (lrow)) (Eqrow : forall x, ((funcomp) taurow xirow) x = thetarow x) (s : row (mrow)) : subst_row taurow (ren_row xirow s) = subst_row thetarow s :=
match s return subst_row taurow (ren_row xirow s) = subst_row thetarow s with
| var_row (_) s => Eqrow s
| abst (_) s0 => congr_abst ((compRenSubst_row (upRen_row_row xirow) (up_row_row taurow) (up_row_row thetarow) (up_ren_subst_row_row (_) (_) (_) Eqrow)) s0)
| halt (_) => congr_halt
end. *)
Lemma compRenSubst_row' m (s : row m):
forall { krow : nat } { lrow : nat } (xirow : (fin) m -> (fin) (krow)) (taurow : fin w -> (fin) (krow) -> row (lrow)) (thetarow : fin w -> (fin) m -> row (lrow)) (Eqrow : forall i x, ((funcomp) (taurow i) xirow) x = thetarow i x), subst_row taurow (ren_row xirow s) = subst_row thetarow s.
Proof. apply (row_vect_ind (fun m s => forall (krow lrow : nat) (xirow : fin m -> fin krow) (taurow : fin w -> fin krow -> row lrow) (thetarow : fin w -> fin m -> row lrow) (Eq : forall (i : fin w) (x : fin m), (xirow >> taurow i) x = thetarow i x), subst_row taurow (ren_row xirow s) = subst_row thetarow s)); intros.
- apply Eq.
- apply congr_abst. rewrite map_map. apply map_ext_in. apply Forall_forall.
apply (Forall_impl _ (fun s : row (S nrow) => forall (krow lrow : nat) (xirow : fin (S nrow) -> fin krow) (taurow : fin w -> fin krow -> row lrow) (thetarow : fin w -> fin (S nrow) -> row lrow), (forall (i : fin w) (x : fin (S nrow)), (xirow >> taurow i) x = thetarow i x) -> subst_row taurow (ren_row xirow s) = subst_row thetarow s)); auto.
intros. apply H0. apply up_ren_subst_row_row,Eq.
- apply congr_halt.
Defined.
Definition compRenSubst_row { krow : nat } { lrow : nat } { mrow : nat } (xirow : (fin) (mrow) -> (fin) (krow)) (taurow : fin w -> (fin) (krow) -> row (lrow)) (thetarow : fin w -> (fin) (mrow) -> row (lrow)) (Eqrow : forall i x, ((funcomp) (taurow i) xirow) x = thetarow i x) (s : row (mrow)) : subst_row taurow (ren_row xirow s) = subst_row thetarow s.
Proof. now apply compRenSubst_row'. Defined.
Definition up_subst_ren_row_row { k : nat } { lrow : nat } { mrow : nat } (sigma : fin w -> (fin) (k) -> row (lrow)) (zetarow : (fin) (lrow) -> (fin) (mrow)) (theta : fin w -> (fin) (k) -> row (mrow)) (Eq : forall i x, ((funcomp) (ren_row zetarow) (sigma i)) x = theta i x) : forall i x, ((funcomp) (ren_row (upRen_row_row zetarow)) (up_row_row sigma i)) x = (up_row_row theta) i x :=
fun i n => match n with
| Some fin_n => (eq_trans) (compRenRen_row (shift) (upRen_row_row zetarow) ((funcomp) (shift) zetarow) (fun x => eq_refl) (sigma i fin_n)) ((eq_trans) ((eq_sym) (compRenRen_row zetarow (shift) ((funcomp) (shift) zetarow) (fun x => eq_refl) (sigma i fin_n))) ((ap) (ren_row (shift)) (Eq i fin_n)))
| None => eq_refl
end.
(* Fixpoint compSubstRen_row { krow : nat } { lrow : nat } { mrow : nat } (sigmarow : (fin) (mrow) -> row (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) (thetarow : (fin) (mrow) -> row (lrow)) (Eqrow : forall x, ((funcomp) (ren_row zetarow) sigmarow) x = thetarow x) (s : row (mrow)) : ren_row zetarow (subst_row sigmarow s) = subst_row thetarow s :=
match s return ren_row zetarow (subst_row sigmarow s) = subst_row thetarow s with
| var_row (_) s => Eqrow s
| abst (_) s0 => congr_abst ((compSubstRen_row (up_row_row sigmarow) (upRen_row_row zetarow) (up_row_row thetarow) (up_subst_ren_row_row (_) (_) (_) Eqrow)) s0)
| halt (_) => congr_halt
end. *)
Lemma compSubstRen_row' m (s : row m):
forall { krow : nat } { lrow : nat } (sigmarow : fin w -> (fin) m -> row (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) (thetarow : fin w -> (fin) m -> row (lrow)) (Eqrow : forall i x, ((funcomp) (ren_row zetarow) (sigmarow i)) x = thetarow i x), ren_row zetarow (subst_row sigmarow s) = subst_row thetarow s.
Proof. apply (row_vect_ind (fun m s => forall (krow lrow : nat) (sigmarow : fin w -> fin m -> row krow) (zetarow : fin krow -> fin lrow) (thetarow : fin w -> fin m -> row lrow) (Eq: forall (i : fin w) (x : fin m), (sigmarow i >> ren_row zetarow) x = thetarow i x), ren_row zetarow (subst_row sigmarow s) = subst_row thetarow s)); intros.
- apply Eq.
- apply congr_abst. rewrite map_map. apply map_ext_in. apply Forall_forall.
apply (Forall_impl _ (fun s : row (S nrow) => forall (krow lrow : nat) (sigmarow : fin w -> fin (S nrow) -> row krow) (zetarow : fin krow -> fin lrow) (thetarow : fin w -> fin (S nrow) -> row lrow), (forall (i : fin w) (x : fin (S nrow)), (sigmarow i >> ren_row zetarow) x = thetarow i x) -> ren_row zetarow (subst_row sigmarow s) = subst_row thetarow s)); auto.
intros. apply H0. apply up_subst_ren_row_row,Eq.
- apply congr_halt.
Defined.
Definition compSubstRen_row { krow : nat } { lrow : nat } { mrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) (thetarow : fin w -> (fin) (mrow) -> row (lrow)) (Eqrow : forall i x, ((funcomp) (ren_row zetarow) (sigmarow i)) x = thetarow i x) (s : row (mrow)) : ren_row zetarow (subst_row sigmarow s) = subst_row thetarow s.
Proof. now apply compSubstRen_row'. Defined.
(* Definition up_subst_subst_row_row { k : nat } { lrow : nat } { mrow : nat } (sigma : fin w -> (fin) (k) -> row (lrow)) (taurow : fin w -> (fin) (lrow) -> row (mrow)) (theta : fin w -> (fin) (k) -> row (mrow)) (Eq : forall i x, ((funcomp) (subst_row (taurow)) (sigma i)) x = theta i x) : forall i x, ((funcomp) (subst_row (up_row_row taurow)) (up_row_row sigma i)) x = (up_row_row theta) i x :=
fun i n => match n with
| Some fin_n => (eq_trans) (compRenSubst_row (shift) (up_row_row taurow) ((funcomp) (up_row_row taurow) (shift)) (fun x => eq_refl) (sigma fin_n)) ((eq_trans) ((eq_sym) (compSubstRen_row taurow (shift) ((funcomp) (ren_row (shift)) taurow) (fun x => eq_refl) (sigma fin_n))) ((ap) (ren_row (shift)) (Eq fin_n)))
| None => eq_refl
end.
*)
Definition up_subst_subst_row_row { k : nat } { lrow : nat } { mrow : nat } (sigma : fin w -> (fin) (k) -> row (lrow)) (taurow : fin w -> (fin) (lrow) -> row (mrow)) (theta : fin w -> (fin) (k) -> row (mrow)) (Eq : forall i x, ((funcomp) (subst_row (taurow)) (sigma i)) x = theta i x) : forall i x, ((funcomp) (subst_row (up_row_row taurow)) (up_row_row sigma i)) x = (up_row_row theta) i x.
Proof. intros i [j |]. 2: apply eq_refl. apply (eq_trans (compRenSubst_row ↑ (up_row_row taurow) (fun i => ↑ >> up_row_row taurow i) (fun _ _ => eq_refl) (sigma i j) )).
apply (eq_trans (eq_sym (compSubstRen_row taurow ↑ (fun i => taurow i >> ren_row ↑) (fun _ _ => eq_refl) (sigma i j)))).
apply (ap (ren_row ↑)), Eq.
Defined.
(* Fixpoint compSubstSubst_row { krow : nat } { lrow : nat } { mrow : nat } (sigmarow : (fin) (mrow) -> row (krow)) (taurow : (fin) (krow) -> row (lrow)) (thetarow : (fin) (mrow) -> row (lrow)) (Eqrow : forall x, ((funcomp) (subst_row taurow) sigmarow) x = thetarow x) (s : row (mrow)) : subst_row taurow (subst_row sigmarow s) = subst_row thetarow s :=
match s return subst_row taurow (subst_row sigmarow s) = subst_row thetarow s with
| var_row (_) s => Eqrow s
| abst (_) s0 => congr_abst ((compSubstSubst_row (up_row_row sigmarow) (up_row_row taurow) (up_row_row thetarow) (up_subst_subst_row_row (_) (_) (_) Eqrow)) s0)
| halt (_) => congr_halt
end. *)
Lemma compSubstSubst_row' m (s : row m) :
forall { krow : nat } { lrow : nat } (sigmarow : fin w -> (fin) m -> row (krow)) (taurow : fin w -> (fin) (krow) -> row (lrow)) (thetarow : fin w -> (fin) (m) -> row (lrow)) (Eqrow : forall i x, ((funcomp) (subst_row taurow) (sigmarow i)) x = thetarow i x), subst_row taurow (subst_row sigmarow s) = subst_row thetarow s.
Proof. apply (row_vect_ind (fun m s => forall (krow lrow : nat) (sigmarow : fin w -> fin m -> row krow) (taurow : fin w -> fin krow -> row lrow) (thetarow : fin w -> fin m -> row lrow) (Eq : forall (i : fin w) (x : fin m), (sigmarow i >> subst_row taurow) x = thetarow i x), subst_row taurow (subst_row sigmarow s) = subst_row thetarow s)); intros.
-apply Eq.
-apply congr_abst. rewrite map_map. apply map_ext_in. apply Forall_forall.
apply (Forall_impl _ (fun s : row (S nrow) => forall (krow lrow : nat) (sigmarow : fin w -> fin (S nrow) -> row krow) (taurow : fin w -> fin krow -> row lrow) (thetarow : fin w -> fin (S nrow) -> row lrow), (forall (i : fin w) (x : fin (S nrow)), (sigmarow i >> subst_row taurow) x = thetarow i x) -> subst_row taurow (subst_row sigmarow s) = subst_row thetarow s)); auto.
intros. apply H0. apply up_subst_subst_row_row,Eq.
-apply congr_halt.
Defined.
Definition compSubstSubst_row { krow : nat } { lrow : nat } { mrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (krow)) (taurow : fin w -> (fin) (krow) -> row (lrow)) (thetarow : fin w -> (fin) (mrow) -> row (lrow)) (Eqrow : forall i x, ((funcomp) (subst_row taurow) (sigmarow i)) x = thetarow i x) (s : row (mrow)) : subst_row taurow (subst_row sigmarow s) = subst_row thetarow s.
Proof. now apply compSubstSubst_row'. Defined.
Definition rinstInst_up_row_row { m : nat } { nrow : nat } (xi : (fin) (m) -> (fin) (nrow)) (sigma : fin w -> (fin) (m) -> row (nrow)) (Eq : forall i x, ((funcomp) (var_row (nrow) i) xi) x = sigma i x) : forall i x, ((funcomp) (var_row ((S) nrow) i) (upRen_row_row xi)) x = (up_row_row sigma) i x :=
fun i n => match n with
| Some fin_n => (ap) (ren_row (shift)) (Eq i fin_n)
| None => eq_refl
end.
(* Fixpoint rinst_inst_row { mrow : nat } { nrow : nat } (xirow : (fin) (mrow) -> (fin) (nrow)) (sigmarow : (fin) (mrow) -> row (nrow)) (Eqrow : forall x, ((funcomp) (var_row (nrow)) xirow) x = sigmarow x) (s : row (mrow)) : ren_row xirow s = subst_row sigmarow s :=
match s return ren_row xirow s = subst_row sigmarow s with
| var_row (_) s => Eqrow s
| abst (_) s0 => congr_abst ((rinst_inst_row (upRen_row_row xirow) (up_row_row sigmarow) (rinstInst_up_row_row (_) (_) Eqrow)) s0)
| halt (_) => congr_halt
end. *)
Lemma rinst_inst_row' m (s : row m) :
forall { nrow : nat } (xirow : (fin) (m) -> (fin) (nrow)) (sigmarow : fin w -> (fin) (m) -> row (nrow)) (Eqrow : forall i x, ((funcomp) (var_row (nrow) i) xirow) x = sigmarow i x), ren_row xirow s = subst_row sigmarow s.
Proof. apply (row_vect_ind (fun m s => forall (nrow : nat) (xirow : fin m -> fin nrow) (sigmarow : fin w -> fin m -> row nrow) (Eq : forall (i : fin w) (x : fin m), (xirow >> var_row nrow i) x = sigmarow i x), ren_row xirow s = subst_row sigmarow s)); intros.
-apply Eq.
-apply congr_abst. apply map_ext_in. apply Forall_forall.
apply (Forall_impl _ (fun s : row (S nrow) => forall (nrow0 : nat) (xirow : fin (S nrow) -> fin nrow0) (sigmarow : fin w -> fin (S nrow) -> row nrow0), (forall (i : fin w) (x : fin (S nrow)), (xirow >> var_row nrow0 i) x = sigmarow i x) -> ren_row xirow s = subst_row sigmarow s)); auto.
intros. apply H0. apply rinstInst_up_row_row,Eq.
-apply congr_halt.
Defined.
Definition rinst_inst_row { mrow : nat } { nrow : nat } (xirow : (fin) (mrow) -> (fin) (nrow)) (sigmarow : fin w -> (fin) (mrow) -> row (nrow)) (Eqrow : forall i x, ((funcomp) (var_row (nrow) i) xirow) x = sigmarow i x) (s : row (mrow)) : ren_row xirow s = subst_row sigmarow s.
Proof. now apply rinst_inst_row'. Defined.
Lemma rinstInst_row { mrow : nat } { nrow : nat } (xirow : (fin) (mrow) -> (fin) (nrow)) : ren_row xirow = subst_row (fun i => (funcomp) (var_row (nrow) i) xirow) .
Proof. exact ((FunctionalExtensionality.functional_extensionality _ _ ) (fun x => rinst_inst_row xirow (_) (fun _ n => eq_refl) x)). Qed.
Lemma instId_row { mrow : nat } : subst_row (var_row (mrow)) = id .
Proof. exact ((FunctionalExtensionality.functional_extensionality _ _ ) (fun x => idSubst_row (var_row (mrow)) (fun _ n => eq_refl) ((id) x))). Qed.
Lemma rinstId_row { mrow : nat } : @ren_row (mrow) (mrow) (id) = id .
Proof. exact ((eq_trans) (rinstInst_row ((id) (_))) instId_row). Qed.
Lemma varL_row { mrow : nat } { nrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (nrow)) : (fun i => (funcomp) (subst_row sigmarow) (var_row (mrow) i)) = sigmarow .
Proof. exact ((FunctionalExtensionality.functional_extensionality _ _ ) (fun x => eq_refl)). Qed.
Lemma varLRen_row { mrow : nat } { nrow : nat } (xirow : (fin) (mrow) -> (fin) (nrow)) : (fun i => (funcomp) (ren_row xirow) (var_row (mrow) i)) = (fun i => (funcomp) (var_row (nrow) i) xirow) .
Proof. exact ((FunctionalExtensionality.functional_extensionality _ _ ) (fun x => eq_refl)). Qed.
Lemma compComp_row { krow : nat } { lrow : nat } { mrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (krow)) (taurow : fin w -> (fin) (krow) -> row (lrow)) (s : row (mrow)) : subst_row taurow (subst_row sigmarow s) = subst_row (fun i => (funcomp) (subst_row taurow) (sigmarow i)) s .
Proof. exact (compSubstSubst_row sigmarow taurow (_) (fun _ n => eq_refl) s). Qed.
Lemma compComp'_row { krow : nat } { lrow : nat } { mrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (krow)) (taurow : fin w -> (fin) (krow) -> row (lrow)) : (funcomp) (subst_row taurow) (subst_row sigmarow) = subst_row (fun i => (funcomp) (subst_row taurow) (sigmarow i)) .
Proof. exact ((FunctionalExtensionality.functional_extensionality _ _ ) (fun n => compComp_row sigmarow taurow n)). Qed.
Lemma compRen_row { krow : nat } { lrow : nat } { mrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) (s : row (mrow)) : ren_row zetarow (subst_row sigmarow s) = subst_row (fun i => (funcomp) (ren_row zetarow) (sigmarow i)) s .
Proof. exact (compSubstRen_row sigmarow zetarow (_) (fun _ n => eq_refl) s). Qed.
Lemma compRen'_row { krow : nat } { lrow : nat } { mrow : nat } (sigmarow : fin w -> (fin) (mrow) -> row (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) : (funcomp) (ren_row zetarow) (subst_row sigmarow) = subst_row (fun i => (funcomp) (ren_row zetarow) (sigmarow i)) .
Proof. exact ((FunctionalExtensionality.functional_extensionality _ _ ) (fun n => compRen_row sigmarow zetarow n)). Qed.
Lemma renComp_row { krow : nat } { lrow : nat } { mrow : nat } (xirow : (fin) (mrow) -> (fin) (krow)) (taurow : fin w -> (fin) (krow) -> row (lrow)) (s : row (mrow)) : subst_row taurow (ren_row xirow s) = subst_row (fun i => (funcomp) (taurow i) xirow) s .
Proof. exact (compRenSubst_row xirow taurow (_) (fun _ n => eq_refl) s). Qed.
Lemma renComp'_row { krow : nat } { lrow : nat } { mrow : nat } (xirow : (fin) (mrow) -> (fin) (krow)) (taurow : fin w -> (fin) (krow) -> row (lrow)) : (funcomp) (subst_row taurow) (ren_row xirow) = subst_row (fun i => (funcomp) (taurow i) xirow) .
Proof. exact ((FunctionalExtensionality.functional_extensionality _ _ ) (fun n => renComp_row xirow taurow n)). Qed.
Lemma renRen_row { krow : nat } { lrow : nat } { mrow : nat } (xirow : (fin) (mrow) -> (fin) (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) (s : row (mrow)) : ren_row zetarow (ren_row xirow s) = ren_row ((funcomp) zetarow xirow) s .
Proof. exact (compRenRen_row xirow zetarow (_) (fun n => eq_refl) s). Qed.
Lemma renRen'_row { krow : nat } { lrow : nat } { mrow : nat } (xirow : (fin) (mrow) -> (fin) (krow)) (zetarow : (fin) (krow) -> (fin) (lrow)) : (funcomp) (ren_row zetarow) (ren_row xirow) = ren_row ((funcomp) zetarow xirow) .
Proof. exact ((FunctionalExtensionality.functional_extensionality _ _ ) (fun n => renRen_row xirow zetarow n)). Qed.
End row.
Arguments var_row {w} {nrow}.
Arguments abst {w} {nrow}.
Arguments halt {w} {nrow}.
(* Global Instance Subst_row { mrow : nat } { nrow : nat } : Subst1 ((fin) (mrow) -> row (nrow)) (row (mrow)) (row (nrow)) := @subst_row (mrow) (nrow) . *)
(* Global Instance Ren_row { mrow : nat } { nrow : nat } : Ren1 ((fin) (mrow) -> (fin) (nrow)) (row (mrow)) (row (nrow)) := @ren_row (mrow) (nrow) . *)
(* Global Instance VarInstance_row { mrow : nat } : Var ((fin) (mrow)) (row (mrow)) := @var_row (mrow) . *)
(* Notation "x '__row'" := (var_row x) (at level 5, format "x __row") : subst_scope. *)
(* Notation "x '__row'" := (@ids (_) (_) VarInstance_row x) (at level 5, only printing, format "x __row") : subst_scope. *)
(* Notation "'var'" := (var_row) (only printing, at level 1) : subst_scope. *)
Class Up_row X Y := up_row : X -> Y.
(* Notation "↑__row" := (up_row) (only printing) : subst_scope. *)
(* Notation "↑__row" := (up_row_row) (only printing) : subst_scope. *)
(* Global Instance Up_row_row { m : nat } { nrow : nat } : Up_row (_) (_) := @up_row_row (m) (nrow) . *)
(* Notation "s sigmarow " := (subst_row sigmarow s) (at level 7, left associativity, only printing) : subst_scope. *)
(* Notation " sigmarow " := (subst_row sigmarow) (at level 1, left associativity, only printing) : fscope. *)
(* Notation "s ⟨ xirow ⟩" := (ren_row xirow s) (at level 7, left associativity, only printing) : subst_scope. *)
(* Notation "⟨ xirow ⟩" := (ren_row xirow) (at level 1, left associativity, only printing) : fscope. *)
Ltac auto_unfold := repeat unfold subst1, subst2, Subst1, Subst2, ids, ren1, ren2, Ren1, Ren2(* , Subst_row, Ren_row, VarInstance_row *).
Tactic Notation "auto_unfold" "in" "*" := repeat unfold subst1, subst2, Subst1, Subst2, ids, ren1, ren2, Ren1, Ren2(* , Subst_row, Ren_row, VarInstance_row *) in *.
Ltac asimpl' := repeat first [progress rewrite ?instId_row| progress rewrite ?compComp_row| progress rewrite ?compComp'_row| progress rewrite ?rinstId_row| progress rewrite ?compRen_row| progress rewrite ?compRen'_row| progress rewrite ?renComp_row| progress rewrite ?renComp'_row| progress rewrite ?renRen_row| progress rewrite ?renRen'_row| progress rewrite ?varL_row| progress rewrite ?varLRen_row| progress (unfold up_ren, upRen_row_row, up_row_row)| progress (cbn [subst_row ren_row])| fsimpl].
Ltac asimpl := repeat try unfold_funcomp; auto_unfold in *; asimpl'; repeat try unfold_funcomp.
Tactic Notation "asimpl" "in" hyp(J) := revert J; asimpl; intros J.
Tactic Notation "auto_case" := auto_case (asimpl; cbn; eauto).
Tactic Notation "asimpl" "in" "*" := auto_unfold in *; repeat first [progress rewrite ?instId_row in *| progress rewrite ?compComp_row in *| progress rewrite ?compComp'_row in *| progress rewrite ?rinstId_row in *| progress rewrite ?compRen_row in *| progress rewrite ?compRen'_row in *| progress rewrite ?renComp_row in *| progress rewrite ?renComp'_row in *| progress rewrite ?renRen_row in *| progress rewrite ?renRen'_row in *| progress rewrite ?varL_row in *| progress rewrite ?varLRen_row in *| progress (unfold up_ren, upRen_row_row, up_row_row in *)| progress (cbn [subst_row ren_row] in *)| fsimpl in *].
Ltac substify := auto_unfold; try repeat (erewrite rinstInst_row).
Ltac renamify := auto_unfold; try repeat (erewrite <- rinstInst_row).