Typo.

91cbff6b · Jacques-Henri Jourdan · 43ee9e86 · 91cbff6b
Commit 91cbff6b authored Dec 11, 2017 by Jacques-Henri Jourdan
--- a/theories/bi/derived_laws.v
+++ b/theories/bi/derived_laws.v
@@ -208,7 +208,7 @@ Proof.
  apply impl_intro_l. rewrite left_absorb. auto.
 Qed.

-Lemma exists_impl_forall {A} P (Ψ : A → PROP) :
+Lemma exist_impl_forall {A} P (Ψ : A → PROP) :
  ((∃ x : A, Ψ x) → P) ⊣⊢ ∀ x : A, Ψ x → P.
 Proof.
  apply equiv_spec; split.