sp-eta-postpone/theories/soundness.v

15 lines
688 B
Coq

Require Import Autosubst2.fintype Autosubst2.syntax.
Require Import fp_red logrel typing.
From Hammer Require Import Tactics.
Theorem fundamental_theorem :
(forall n (Γ : fin n -> PTm n), Γ -> Γ) /\
(forall n Γ (a A : PTm n), Γ a A -> Γ a A) /\
(forall n Γ (a b A : PTm n), Γ a b A -> Γ a b A) /\
(forall n Γ (a b : PTm n), Γ a b -> Γ a b).
apply wt_mutual; eauto with sem; [hauto l:on use:SE_Pair].
Unshelve. all : exact 0.
Qed.
Lemma synsub_to_usub : forall n Γ (a b : PTm n), Γ a b -> SN a /\ SN b /\ Sub.R a b.
Proof. hauto lq:on rew:off use:fundamental_theorem, SemLEq_SN_Sub. Qed.