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samuelgruetter / rewrite_drops_hyps.v
Last active October 11, 2022 20:13 — forked from aa755/rewrite_drops_hyps.v
Demonstrate strange rewrite behavior
Require Import List.
Import ListNotations.
Require Import ssreflect.
Lemma test1 :
length ([1] ++ [2]) = 2 ->
2 = 4.
Proof.
intros HA.
evar (N : nat).
Unshelve.