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-rw-r--r--contrib/subtac/Heq.v34
1 files changed, 0 insertions, 34 deletions
diff --git a/contrib/subtac/Heq.v b/contrib/subtac/Heq.v
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--- a/contrib/subtac/Heq.v
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-Require Export JMeq.
-
-(** Notation for heterogenous equality. *)
-
-Notation " [ x : X ] = [ y : Y ] " := (@JMeq X x Y y) (at level 0, X at next level, Y at next level).
-
-(** Do something on an heterogeneous equality appearing in the context. *)
-
-Ltac on_JMeq tac :=
- match goal with
- | [ H : @JMeq ?x ?X ?y ?Y |- _ ] => tac H
- end.
-
-(** Try to apply [JMeq_eq] to get back a regular equality when the two types are equal. *)
-
-Ltac simpl_one_JMeq :=
- on_JMeq
- ltac:(fun H => let H' := fresh "H" in
- assert (H' := JMeq_eq H) ; clear H ; rename H' into H).
-
-(** Repeat it for every possible hypothesis. *)
-
-Ltac simpl_JMeq := repeat simpl_one_JMeq.
-
-(** Just simplify an h.eq. without clearing it. *)
-
-Ltac simpl_one_dep_JMeq :=
- on_JMeq
- ltac:(fun H => let H' := fresh "H" in
- assert (H' := JMeq_eq H)).
-
-
-
-