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Diffstat (limited to 'mathcomp/ssrtest/congr.v')
| -rw-r--r-- | mathcomp/ssrtest/congr.v | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/mathcomp/ssrtest/congr.v b/mathcomp/ssrtest/congr.v deleted file mode 100644 index 2a7b824..0000000 --- a/mathcomp/ssrtest/congr.v +++ /dev/null @@ -1,26 +0,0 @@ -(* (c) Copyright 2006-2016 Microsoft Corporation and Inria. *) -(* Distributed under the terms of CeCILL-B. *) -Require Import mathcomp.ssreflect.ssreflect. -From mathcomp -Require Import ssrbool eqtype ssrnat. - -Lemma test1 : forall a b : nat, a == b -> a == 0 -> b == 0. -Proof. move=> a b Eab Eac; congr (_ == 0) : Eac; exact: eqP Eab. Qed. - -Definition arrow A B := A -> B. - -Lemma test2 : forall a b : nat, a == b -> arrow (a == 0) (b == 0). -Proof. move=> a b Eab; congr (_ == 0); exact: eqP Eab. Qed. - -Definition equals T (A B : T) := A = B. - -Lemma test3 : forall a b : nat, a = b -> equals nat (a + b) (b + b). -Proof. move=> a b E; congr (_ + _); exact E. Qed. - -Variable S : eqType. -Variable f : nat -> S. -Coercion f : nat >-> Equality.sort. - -Lemma test4 : forall a b : nat, b = a -> @eq S (b + b) (a + a). -Proof. move=> a b Eba; congr (_ + _); exact: Eba. Qed. - |