equal
deleted
inserted
replaced
445 instance by intro_classes (simp_all add: finite_UNIV_bit0_def finite_UNIV_bit1_def) |
445 instance by intro_classes (simp_all add: finite_UNIV_bit0_def finite_UNIV_bit1_def) |
446 end |
446 end |
447 |
447 |
448 instantiation bit0 and bit1 :: ("{finite,card_UNIV}") card_UNIV begin |
448 instantiation bit0 and bit1 :: ("{finite,card_UNIV}") card_UNIV begin |
449 definition "card_UNIV = Phantom('a bit0) (2 * of_phantom (card_UNIV :: 'a card_UNIV))" |
449 definition "card_UNIV = Phantom('a bit0) (2 * of_phantom (card_UNIV :: 'a card_UNIV))" |
450 definition |
450 definition "card_UNIV = Phantom('a bit1) (1 + 2 * of_phantom (card_UNIV :: 'a card_UNIV))" |
451 "card_UNIV = Phantom('a bit1) (let ca = of_phantom (card_UNIV :: 'a card_UNIV) |
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452 in if ca \<noteq> 0 then 1 + 2 * ca else 2 * ca)" |
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453 instance by intro_classes (simp_all add: card_UNIV_bit0_def card_UNIV_bit1_def card_UNIV) |
451 instance by intro_classes (simp_all add: card_UNIV_bit0_def card_UNIV_bit1_def card_UNIV) |
454 end |
452 end |
455 |
453 |
456 subsection {* Syntax *} |
454 subsection {* Syntax *} |
457 |
455 |