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This commit is contained in:
Thomas Baruchel 2023-11-01 21:40:10 +01:00
parent 43d97734b2
commit d80ca6b8bb
1 changed files with 2 additions and 4 deletions
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6
src/subsequences.v
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@ -294,10 +294,8 @@ Proof.
destruct I. destruct H0. destruct x0.
symmetry in H1. apply nil_cons in H1. contradiction H1.
destruct b.
inversion H1. rewrite H3 in n0. contradiction n0. reflexivity.
assert (subsequence2 l (x::s)). exists x0. split; inversion H0; easy.
apply n in H2. contradiction H2.
inversion H1. rewrite H3 in n0. easy.
apply n. exists x0; split; inversion H0; easy.
Qed.