Weakened assumption of singleton_isIn_d

2017-09-21 14:24:27 +02:00 · 2017-09-21 14:24:27 +02:00 · bbe8f665df
parent 7f9b2b7032
commit bbe8f665df
1 changed files with 1 additions and 1 deletions
--- a/FiniteSets/kuratowski/properties.v
+++ b/FiniteSets/kuratowski/properties.v
@ -320,7 +320,7 @@ Section properties_membership_decidable.
    apply comprehension_isIn_d.
  Defined.
  
-  Lemma singleton_isIn_d `{DecidablePaths A} (a b : A) :
+  Lemma singleton_isIn_d `{IsHSet A} (a b : A) :
    a ∈ {|b|} -> a = b.
  Proof.
    intros.