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Diffstat (limited to 'mathcomp/attic/tutorial.v')
| -rw-r--r-- | mathcomp/attic/tutorial.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mathcomp/attic/tutorial.v b/mathcomp/attic/tutorial.v index 332d841..b2025a7 100644 --- a/mathcomp/attic/tutorial.v +++ b/mathcomp/attic/tutorial.v @@ -59,7 +59,7 @@ Lemma andb_sym2 : forall A B : bool, A && B -> B && A. Proof. by case; case. Qed. Lemma andb_sym3 : forall A B : bool, A && B -> B && A. -Proof. by do 2! case. Qed. +Proof. by do 2!case. Qed. Variables (C D : Prop) (hC : C) (hD : D). Check (and C D). |