src/HOL/Library/Word.thy
changeset 30224 79136ce06bdb
parent 28562 4e74209f113e
child 30960 fec1a04b7220
     1.1 --- a/src/HOL/Library/Word.thy	Tue Mar 03 12:14:52 2009 +1100
     1.2 +++ b/src/HOL/Library/Word.thy	Tue Mar 03 17:05:18 2009 +0100
     1.3 @@ -575,7 +575,7 @@
     1.4      have "?lhs = (1 + 2 * bv_to_nat w) mod 2"
     1.5        by (simp add: add_commute)
     1.6      also have "... = 1"
     1.7 -      by (subst mod_add1_eq) simp
     1.8 +      by (subst mod_add_eq) simp
     1.9      finally have eq1: "?lhs = 1" .
    1.10      have "?rhs  = 0" by simp
    1.11      with orig and eq1