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src/HOL/Data_Structures/Tree2.thy
changeset 68411 d8363de26567
parent 67967 5a4280946a25
child 68413 b56ed5010e69
equal deleted inserted replaced
68410:4e27f5c361d2 68411:d8363de26567 
    31 by (simp_all add: size1_def)
 
    31 by (simp_all add: size1_def)
 
    32 
    32 
    33 lemma size1_ge0[simp]: "0 < size1 t"
 
    33 lemma size1_ge0[simp]: "0 < size1 t"
 
    34 by (simp add: size1_def)
 
    34 by (simp add: size1_def)
 
    35 
    35 
       
    36 lemma finite_set_tree[simp]: "finite(set_tree t)"
 
       
    37 by(induction t) auto
 
       
    38 
    36 end
 
    39 end
isabelle