diff options
Diffstat (limited to 'theories/Program/Subset.v')
| -rw-r--r-- | theories/Program/Subset.v | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/theories/Program/Subset.v b/theories/Program/Subset.v index b6fc156c39..8ce84c8271 100644 --- a/theories/Program/Subset.v +++ b/theories/Program/Subset.v @@ -9,6 +9,8 @@ Require Import Coq.Program.Utils. Require Import Coq.Program.Equality. +Open Local Scope subset_scope. + (** Tactics related to subsets and proof irrelevance. *) (** Simplify dependent equality using sigmas to equality of the codomains if possible. *) @@ -72,7 +74,7 @@ Ltac clear_subset_proofs := Ltac pi := repeat progress f_equal ; apply proof_irrelevance. -Lemma subset_eq : forall A (P : A -> Prop) (n m : sig P), n = m <-> (`n) = (`m). +Lemma subset_eq : forall A (P : A -> Prop) (n m : sig P), n = m <-> `n = `m. Proof. induction n. induction m. |