]> matita.cs.unibo.it Git - helm.git/blobdiff - helm/software/matita/contribs/formal_topology/formal_topology2.ma
nasty change in the lexer/parser:
[helm.git] / helm / software / matita / contribs / formal_topology / formal_topology2.ma
index 10666ba35d010c169827c24266cacc099e1444fa..0896edc5ce9f572dbea7e55897e89e8d94ad462d 100644 (file)
@@ -38,7 +38,7 @@ axiom eps_idempotent: eps = eps eps.
 notation "hvbox(A break ⊆ B)" with precedence 59
 for @{ 'subseteq $A $B}.
 
-interpretation "Subseteq" 'subseteq A B = (eq _ A (comp eps B)).
+interpretation "Subseteq" 'subseteq A B = (eq ? A (comp eps B)).
 
 axiom leq_refl: ∀A. A ⊆ A.
 axiom leq_antisym: ∀A,B. A ⊆ B → B ⊆ A → A=B.