changeset 61378 | 3e04c9ca001a |
parent 60770 | 240563fbf41d |
child 61394 | 6142b282b164 |
--- a/src/ZF/CardinalArith.thy Fri Oct 09 19:51:20 2015 +0200 +++ b/src/ZF/CardinalArith.thy Fri Oct 09 20:26:03 2015 +0200 @@ -43,10 +43,6 @@ cadd (infixl "\<oplus>" 65) and cmult (infixl "\<otimes>" 70) -notation (HTML) - cadd (infixl "\<oplus>" 65) and - cmult (infixl "\<otimes>" 70) - lemma Card_Union [simp,intro,TC]: assumes A: "\<And>x. x\<in>A \<Longrightarrow> Card(x)" shows "Card(\<Union>(A))"