src/HOL/Library/Set_Algebras.thy
changeset 57512 cc97b347b301
parent 56899 9b9f4abaaa7e
child 57514 bdc2c6b40bf2
     1.1 --- a/src/HOL/Library/Set_Algebras.thy	Fri Jul 04 20:07:08 2014 +0200
     1.2 +++ b/src/HOL/Library/Set_Algebras.thy	Fri Jul 04 20:18:47 2014 +0200
     1.3 @@ -108,7 +108,7 @@
     1.4    done
     1.5  
     1.6  lemma set_plus_rearrange2: "(a::'a::semigroup_add) +o (b +o C) = (a + b) +o C"
     1.7 -  by (auto simp add: elt_set_plus_def add_assoc)
     1.8 +  by (auto simp add: elt_set_plus_def add.assoc)
     1.9  
    1.10  lemma set_plus_rearrange3: "((a::'a::semigroup_add) +o B) + C = a +o (B + C)"
    1.11    apply (auto simp add: elt_set_plus_def set_plus_def)
    1.12 @@ -216,7 +216,7 @@
    1.13  
    1.14  lemma set_times_rearrange2:
    1.15    "(a::'a::semigroup_mult) *o (b *o C) = (a * b) *o C"
    1.16 -  by (auto simp add: elt_set_times_def mult_assoc)
    1.17 +  by (auto simp add: elt_set_times_def mult.assoc)
    1.18  
    1.19  lemma set_times_rearrange3:
    1.20    "((a::'a::semigroup_mult) *o B) * C = a *o (B * C)"