# HG changeset patch # User nipkow # Date 1044628614 -3600 # Node ID a4cd9057d2eefd41855e3a2525dac34db8398648 # Parent f67a53bf63bc5b2500fd03e8ee5b1287af970d51 Removed (*) because of comments diff -r f67a53bf63bc -r a4cd9057d2ee src/HOL/GroupTheory/Group.thy --- a/src/HOL/GroupTheory/Group.thy Fri Feb 07 15:36:12 2003 +0100 +++ b/src/HOL/GroupTheory/Group.thy Fri Feb 07 15:36:54 2003 +0100 @@ -238,8 +238,7 @@ constdefs ProdGroup :: "[('a,'c) group_scheme, ('b,'d) group_scheme] => ('a*'b) group" - (infixr "'(*')" 80) - "G (*) G' == + "ProdGroup G G' == (| carrier = carrier G \ carrier G', sum = (%(x, x') (y, y'). (sum G x y, sum G' x' y')), gminus = (%(x, y). (gminus G x, gminus G' y)),