progs/Matcher2.thy
changeset 385 7f8516ff408d
parent 363 0d6deecdb2eb
child 397 cf3ca219c727
equal deleted inserted replaced
384:4629448c1bd9 385:7f8516ff408d
     1 theory Matcher2
     1 ytheory Matcher2
     2   imports "Main" 
     2   imports "Main" 
     3 begin
     3 begin
     4 
     4 
     5 lemma Suc_Union:
     5 lemma Suc_Union:
     6   "(\<Union> x\<le>Suc m. B x) = (B (Suc m) \<union> (\<Union> x\<le>m. B x))"
     6   "(\<Union> x\<le>Suc m. B x) = (B (Suc m) \<union> (\<Union> x\<le>m. B x))"