src/HOL/ZF/Games.thy
changeset 30198 922f944f03b2
parent 27679 6392b92c3536
child 32960 69916a850301
equal deleted inserted replaced
30193:391e10b42889 30198:922f944f03b2
   845 
   845 
   846 typedef Pg = "UNIV//eq_game_rel"
   846 typedef Pg = "UNIV//eq_game_rel"
   847   by (auto simp add: quotient_def)
   847   by (auto simp add: quotient_def)
   848 
   848 
   849 lemma equiv_eq_game[simp]: "equiv UNIV eq_game_rel"
   849 lemma equiv_eq_game[simp]: "equiv UNIV eq_game_rel"
   850   by (auto simp add: equiv_def refl_def sym_def trans_def eq_game_rel_def
   850   by (auto simp add: equiv_def refl_on_def sym_def trans_def eq_game_rel_def
   851     eq_game_sym intro: eq_game_refl eq_game_trans)
   851     eq_game_sym intro: eq_game_refl eq_game_trans)
   852 
   852 
   853 instantiation Pg :: "{ord, zero, plus, minus, uminus}"
   853 instantiation Pg :: "{ord, zero, plus, minus, uminus}"
   854 begin
   854 begin
   855 
   855