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-rw-r--r--theories/Sorting/Heap.v16
1 files changed, 9 insertions, 7 deletions
diff --git a/theories/Sorting/Heap.v b/theories/Sorting/Heap.v
index 20c6feb9..2ef162be 100644
--- a/theories/Sorting/Heap.v
+++ b/theories/Sorting/Heap.v
@@ -1,9 +1,11 @@
(************************************************************************)
-(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *)
+(* * The Coq Proof Assistant / The Coq Development Team *)
+(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
+(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
-(* // * This file is distributed under the terms of the *)
-(* * GNU Lesser General Public License Version 2.1 *)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
(** This file is deprecated, for a tree on list, use [Mergesort.v]. *)
@@ -134,7 +136,7 @@ Section defs.
(munion (list_contents _ eqA_dec l1) (list_contents _ eqA_dec l2)) ->
(forall a, HdRel leA a l1 -> HdRel leA a l2 -> HdRel leA a l) ->
merge_lem l1 l2.
- Require Import Morphisms.
+ Import Morphisms.
Instance: Equivalence (@meq A).
Proof. constructor; auto with datatypes. red. apply meq_trans. Defined.
@@ -146,10 +148,10 @@ Section defs.
forall l1:list A, Sorted leA l1 ->
forall l2:list A, Sorted leA l2 -> merge_lem l1 l2.
Proof.
- fix 1; intros; destruct l1.
+ fix merge 1; intros; destruct l1.
apply merge_exist with l2; auto with datatypes.
rename l1 into l.
- revert l2 H0. fix 1. intros.
+ revert l2 H0. fix merge0 1. intros.
destruct l2 as [|a0 l0].
apply merge_exist with (a :: l); simpl; auto with datatypes.
induction (leA_dec a a0) as [Hle|Hle].