yiyunliu/sp-eta-postpone
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Finish the soundness and completeness proof with nat

Browse source
This commit is contained in:
Yiyun Liu 2025-02-27 15:30:55 -05:00
parent e663a1a596
commit 4509a64bf5
1 changed files with 37 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

39
theories/algorithmic.v
View file

@ -1815,6 +1815,9 @@ Inductive CoqLEq {n} : PTm n -> PTm n -> Prop :=
(* ---------------------------- *)
PBind PSig A0 B0 ⋖ PBind PSig A1 B1
| CLE_NatCong :
PNat ⋖ PNat
| CLE_NeuNeu a0 a1 :
a0 ∼ a1 ->
a0 ⋖ a1
@ -1877,6 +1880,7 @@ Proof.
apply : ihB; by eauto using ctx_eq_subst_one.
apply : Su_Sig; eauto using E_Refl, Su_Eq.
- sauto lq:on use:coqeq_sound_mutual, Su_Eq.
- sauto lq:on use:coqeq_sound_mutual, Su_Eq.
- move => n a a' b b' ? ? ? ih Γ i ha hb.
have /Su_Eq ? : Γ ⊢ a ≡ a' ∈ PUniv i by sfirstorder use:HReds.ToEq.
have /E_Symmetric /Su_Eq ? : Γ ⊢ b ≡ b' ∈ PUniv i by sfirstorder use:HReds.ToEq.
@ -2040,23 +2044,54 @@ Proof.
eauto using ctx_eq_subst_one.
* hauto lq:on use:salgo_metric_sub, Sub.bind_univ_noconf.
* hauto lq:on use:salgo_metric_sub, Sub.nat_bind_noconf.
* admit.
* admit.
* move => _ > _ /salgo_metric_sub.
hauto lq:on rew:off use:REReds.bind_inv, REReds.zero_inv inv:Sub1.R.
* hauto lq:on rew:off use:REReds.bind_inv, REReds.suc_inv, salgo_metric_sub inv:Sub1.R.
+ case : b fb => //=; try hauto depth:1 lq:on use:T_AbsUniv_Imp', T_PairUniv_Imp'.
* hauto lq:on use:salgo_metric_sub, Sub.univ_bind_noconf.
* move => *. econstructor; eauto using rtc_refl.
hauto lq:on use:salgo_metric_sub, Sub.univ_inj, CLE_UnivCong.
* hauto lq:on rew:off use:REReds.univ_inv, REReds.nat_inv, salgo_metric_sub inv:Sub1.R.
* hauto lq:on rew:off use:REReds.univ_inv, REReds.zero_inv, salgo_metric_sub inv:Sub1.R.
* hauto lq:on rew:off use:REReds.suc_inv, REReds.univ_inv, salgo_metric_sub inv:Sub1.R.
(* Both cases are impossible *)
+ case : b fb => //=.
* hauto lq:on use:T_AbsNat_Imp.
* hauto lq:on use:T_PairNat_Imp.
* hauto lq:on rew:off use:REReds.nat_inv, REReds.bind_inv, salgo_metric_sub inv:Sub1.R.
* hauto lq:on rew:off use:REReds.nat_inv, REReds.univ_inv, salgo_metric_sub inv:Sub1.R.
* hauto l:on.
* hauto lq:on rew:off use:REReds.nat_inv, REReds.zero_inv, salgo_metric_sub inv:Sub1.R.
* hauto lq:on rew:off use:REReds.nat_inv, REReds.suc_inv, salgo_metric_sub inv:Sub1.R.
+ move => ? ? Γ i /Zero_Inv.
clear.
move /synsub_to_usub => [_ [_ ]].
hauto lq:on rew:off use:REReds.nat_inv, REReds.univ_inv inv:Sub1.R.
+ move => ? _ _ Γ i /Suc_Inv => [[_]].
move /synsub_to_usub.
hauto lq:on rew:off use:REReds.nat_inv, REReds.univ_inv inv:Sub1.R.
- have {}h : DJoin.R a b by
hauto lq:on use:salgo_metric_algo_metric, algo_metric_join.
case : b fb h => //=; try hauto depth:1 lq:on use:T_AbsUniv_Imp', T_PairUniv_Imp'.
+ hauto lq:on use:DJoin.hne_bind_noconf.
+ hauto lq:on use:DJoin.hne_univ_noconf.
+ hauto lq:on use:DJoin.hne_nat_noconf.
+ move => _ _ Γ i _.
move /Zero_Inv.
hauto q:on use:REReds.nat_inv, REReds.univ_inv, synsub_to_usub inv:Sub1.R.
+ move => p _ _ Γ i _ /Suc_Inv.
hauto q:on use:REReds.nat_inv, REReds.univ_inv, synsub_to_usub inv:Sub1.R.
- have {}h : DJoin.R b a by
hauto lq:on use:salgo_metric_algo_metric, algo_metric_join, DJoin.symmetric.
case : a fa h => //=; try hauto depth:1 lq:on use:T_AbsUniv_Imp', T_PairUniv_Imp'.
+ hauto lq:on use:DJoin.hne_bind_noconf.
+ hauto lq:on use:DJoin.hne_univ_noconf.
+ hauto lq:on use:DJoin.hne_nat_noconf.
+ move => _ _ Γ i.
move /Zero_Inv.
hauto q:on use:REReds.nat_inv, REReds.univ_inv, synsub_to_usub inv:Sub1.R.
+ move => p _ _ Γ i /Suc_Inv.
hauto q:on use:REReds.nat_inv, REReds.univ_inv, synsub_to_usub inv:Sub1.R.
- move => Γ i ha hb.
econstructor; eauto using rtc_refl.
apply CLE_NeuNeu. move {ih}.