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Require Import Equations.Equations. | |
Require Import Coq.Logic.Eqdep_dec. | |
Require Import Coq.Classes.EquivDec. | |
Require Import Program. | |
Ltac simpl_exist := | |
repeat ( | |
repeat match goal with | |
| [ H : existT ?a ?b _ = existT ?a ?b _ |- _] => | |
apply inj_pair2 in H |