| changeset 62083 | 7582b39f51ed |
| parent 61955 | e96292f32c3c |
| child 62347 | 2230b7047376 |
--- a/src/HOL/Power.thy Wed Jan 06 13:04:31 2016 +0100 +++ b/src/HOL/Power.thy Wed Jan 06 12:18:53 2016 +0100 @@ -755,7 +755,6 @@ "(x - y)\<^sup>2 = (y - x)\<^sup>2" by (simp add: algebra_simps power2_eq_square) - text \<open>Simprules for comparisons where common factors can be cancelled.\<close> lemmas zero_compare_simps =