changeset 19286 | 83404ccd270a |
parent 16417 | 9bc16273c2d4 |
child 19783 | 82f365a14960 |
--- a/src/HOL/Algebra/Lattice.thy Fri Mar 17 22:33:06 2006 +0100 +++ b/src/HOL/Algebra/Lattice.thy Sat Mar 18 09:58:49 2006 +0100 @@ -29,7 +29,7 @@ x \<in> carrier L; y \<in> carrier L; z \<in> carrier L |] ==> x \<sqsubseteq> z" constdefs (structure L) - less :: "[_, 'a, 'a] => bool" (infixl "\<sqsubset>\<index>" 50) + lless :: "[_, 'a, 'a] => bool" (infixl "\<sqsubset>\<index>" 50) "x \<sqsubset> y == x \<sqsubseteq> y & x ~= y" -- {* Upper and lower bounds of a set. *}