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Quot/Nominal/Nominal2_Eqvt.thy
changeset 1039 0d832c36b1bb
parent 1037 2845e736dc1a
child 1059 090fa3f21380
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1038:6911934c98c7 1039:0d832c36b1bb 
   242   empty_eqvt UNIV_eqvt union_eqvt inter_eqvt
 
   242   empty_eqvt UNIV_eqvt union_eqvt inter_eqvt
 
   243   Diff_eqvt Compl_eqvt insert_eqvt
 
   243   Diff_eqvt Compl_eqvt insert_eqvt
 
   244 
   244 
   245 declare permute_pure [eqvt]
 
   245 declare permute_pure [eqvt]
 
   246 
   246 
   247 thm eqvt
 
   247 (* thm eqvts *)
 
   248 
   248 
   249 text {* helper lemmas for the eqvt_tac *}
 
   249 text {* helper lemmas for the eqvt_tac *}
 
   250 
   250 
   251 definition
 
   251 definition
 
   252   "unpermute p = permute (- p)"
 
   252   "unpermute p = permute (- p)"
nominal2