:: MBOOLEAN semantic presentation
:: deftheorem Def1 defines bool MBOOLEAN:def 1 :
Lemma2:
for b1, b2, b3 being set
for b4 being ManySortedSet of b2 st b1 in b2 holds
dom (b4 +* (b1 .--> b3)) = b2
Lemma3:
for b1 being set
for b2, b3 being ManySortedSet of b1
for b4 being set st b4 in b1 holds
(bool (b2 \/ b3)) . b4 = bool ((b2 . b4) \/ (b3 . b4))
Lemma4:
for b1 being set
for b2, b3 being ManySortedSet of b1
for b4 being set st b4 in b1 holds
(bool (b2 /\ b3)) . b4 = bool ((b2 . b4) /\ (b3 . b4))
Lemma5:
for b1 being set
for b2, b3 being ManySortedSet of b1
for b4 being set st b4 in b1 holds
(bool (b2 \ b3)) . b4 = bool ((b2 . b4) \ (b3 . b4))
Lemma6:
for b1 being set
for b2, b3 being ManySortedSet of b1
for b4 being set st b4 in b1 holds
(bool (b2 \+\ b3)) . b4 = bool ((b2 . b4) \+\ (b3 . b4))
theorem Th1: :: MBOOLEAN:1
theorem Th2: :: MBOOLEAN:2
theorem Th3: :: MBOOLEAN:3
theorem Th4: :: MBOOLEAN:4
theorem Th5: :: MBOOLEAN:5
theorem Th6: :: MBOOLEAN:6
theorem Th7: :: MBOOLEAN:7
theorem Th8: :: MBOOLEAN:8
theorem Th9: :: MBOOLEAN:9
theorem Th10: :: MBOOLEAN:10
theorem Th11: :: MBOOLEAN:11
theorem Th12: :: MBOOLEAN:12
theorem Th13: :: MBOOLEAN:13
theorem Th14: :: MBOOLEAN:14
canceled;
theorem Th15: :: MBOOLEAN:15
theorem Th16: :: MBOOLEAN:16
theorem Th17: :: MBOOLEAN:17
theorem Th18: :: MBOOLEAN:18
theorem Th19: :: MBOOLEAN:19
theorem Th20: :: MBOOLEAN:20
:: deftheorem Def2 defines union MBOOLEAN:def 2 :
Lemma9:
for b1 being set
for b2, b3 being ManySortedSet of b1
for b4 being set st b4 in b1 holds
(union (b2 \/ b3)) . b4 = union ((b2 . b4) \/ (b3 . b4))
Lemma10:
for b1 being set
for b2, b3 being ManySortedSet of b1
for b4 being set st b4 in b1 holds
(union (b2 /\ b3)) . b4 = union ((b2 . b4) /\ (b3 . b4))
theorem Th21: :: MBOOLEAN:21
theorem Th22: :: MBOOLEAN:22
theorem Th23: :: MBOOLEAN:23
theorem Th24: :: MBOOLEAN:24
theorem Th25: :: MBOOLEAN:25
theorem Th26: :: MBOOLEAN:26
theorem Th27: :: MBOOLEAN:27
theorem Th28: :: MBOOLEAN:28
theorem Th29: :: MBOOLEAN:29
theorem Th30: :: MBOOLEAN:30
theorem Th31: :: MBOOLEAN:31
theorem Th32: :: MBOOLEAN:32
theorem Th33: :: MBOOLEAN:33
theorem Th34: :: MBOOLEAN:34
theorem Th35: :: MBOOLEAN:35
theorem Th36: :: MBOOLEAN:36
theorem Th37: :: MBOOLEAN:37