src/HOL/Complex.thy
changeset 61076 bdc1e2f0a86a
parent 60758 d8d85a8172b5
child 61104 3c2d4636cebc
     1.1 --- a/src/HOL/Complex.thy	Tue Sep 01 17:25:36 2015 +0200
     1.2 +++ b/src/HOL/Complex.thy	Tue Sep 01 22:32:58 2015 +0200
     1.3 @@ -70,7 +70,7 @@
     1.4    "Re (inverse x) = Re x / ((Re x)\<^sup>2 + (Im x)\<^sup>2)"
     1.5  | "Im (inverse x) = - Im x / ((Re x)\<^sup>2 + (Im x)\<^sup>2)"
     1.6  
     1.7 -definition "x div (y\<Colon>complex) = x * inverse y"
     1.8 +definition "x div (y::complex) = x * inverse y"
     1.9  
    1.10  instance
    1.11    by intro_classes