diff options
Diffstat (limited to 'theories/Program/Subset.v')
| -rw-r--r-- | theories/Program/Subset.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/Program/Subset.v b/theories/Program/Subset.v index 50b89b5c..c8f37318 100644 --- a/theories/Program/Subset.v +++ b/theories/Program/Subset.v @@ -1,6 +1,6 @@ (************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) @@ -82,7 +82,7 @@ Qed. Definition match_eq (A B : Type) (x : A) (fn : {y : A | y = x} -> B) : B := fn (exist _ x eq_refl). -(* This is what we want to be able to do: replace the originaly matched object by a new, +(* This is what we want to be able to do: replace the originally matched object by a new, propositionally equal one. If [fn] works on [x] it should work on any [y | y = x]. *) Lemma match_eq_rewrite : forall (A B : Type) (x : A) (fn : {y : A | y = x} -> B) |