src/HOL/Power.thy
changeset 56544 b60d5d119489
parent 56536 aefb4a8da31f
child 57418 6ab1c7cb0b8d
     1.1 --- a/src/HOL/Power.thy	Fri Apr 11 23:22:00 2014 +0200
     1.2 +++ b/src/HOL/Power.thy	Sat Apr 12 17:26:27 2014 +0200
     1.3 @@ -297,7 +297,7 @@
     1.4  
     1.5  lemma zero_less_power [simp]:
     1.6    "0 < a \<Longrightarrow> 0 < a ^ n"
     1.7 -  by (induct n) (simp_all add: mult_pos_pos)
     1.8 +  by (induct n) simp_all
     1.9  
    1.10  lemma zero_le_power [simp]:
    1.11    "0 \<le> a \<Longrightarrow> 0 \<le> a ^ n"