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src/HOL/Power.thy
changeset 39438 c5ece2a7a86e
parent 36409 d323e7773aa8
child 41550 efa734d9b221
equal deleted inserted replaced
39437:8c23c61c6d5c 39438:c5ece2a7a86e 
    27 end
 
    27 end
 
    28 
    28 
    29 context monoid_mult
 
    29 context monoid_mult
 
    30 begin
 
    30 begin
 
    31 
    31 
    32 subclass power ..
 
    32 subclass power .
 
    33 
    33 
    34 lemma power_one [simp]:
 
    34 lemma power_one [simp]:
 
    35   "1 ^ n = 1"
 
    35   "1 ^ n = 1"
 
    36   by (induct n) simp_all
 
    36   by (induct n) simp_all
 
    37 
    37
isabelle