:: YELLOW_4 semantic presentation
theorem Th1: :: YELLOW_4:1
theorem Th2: :: YELLOW_4:2
:: deftheorem Def1 defines is_finer_than YELLOW_4:def 1 :
:: deftheorem Def2 defines is_coarser_than YELLOW_4:def 2 :
theorem :: YELLOW_4:3
theorem :: YELLOW_4:4
theorem :: YELLOW_4:5
theorem :: YELLOW_4:6
theorem :: YELLOW_4:7
theorem :: YELLOW_4:8
:: deftheorem defines "\/" YELLOW_4:def 3 :
theorem :: YELLOW_4:9
theorem :: YELLOW_4:10
theorem :: YELLOW_4:11
theorem :: YELLOW_4:12
theorem :: YELLOW_4:13
theorem :: YELLOW_4:14
theorem Th15: :: YELLOW_4:15
theorem :: YELLOW_4:16
theorem :: YELLOW_4:17
theorem :: YELLOW_4:18
theorem :: YELLOW_4:19
theorem :: YELLOW_4:20
theorem :: YELLOW_4:21
theorem :: YELLOW_4:22
theorem :: YELLOW_4:23
theorem :: YELLOW_4:24
theorem Th25: :: YELLOW_4:25
theorem :: YELLOW_4:26
theorem Th27: :: YELLOW_4:27
theorem :: YELLOW_4:28
theorem Th29: :: YELLOW_4:29
theorem :: YELLOW_4:30
theorem :: YELLOW_4:31
theorem Th32: :: YELLOW_4:32
theorem :: YELLOW_4:33
theorem Th34: :: YELLOW_4:34
theorem :: YELLOW_4:35
:: deftheorem defines "/\" YELLOW_4:def 4 :
theorem :: YELLOW_4:36
theorem :: YELLOW_4:37
theorem :: YELLOW_4:38
theorem :: YELLOW_4:39
theorem :: YELLOW_4:40
theorem :: YELLOW_4:41
theorem Th42: :: YELLOW_4:42
theorem :: YELLOW_4:43
theorem :: YELLOW_4:44
theorem :: YELLOW_4:45
theorem :: YELLOW_4:46
theorem :: YELLOW_4:47
theorem :: YELLOW_4:48
theorem Th49: :: YELLOW_4:49
theorem Th50: :: YELLOW_4:50
theorem :: YELLOW_4:51
theorem :: YELLOW_4:52
theorem :: YELLOW_4:53
theorem Th54: :: YELLOW_4:54
theorem Th55: :: YELLOW_4:55
theorem :: YELLOW_4:56
theorem :: YELLOW_4:57
theorem :: YELLOW_4:58
theorem :: YELLOW_4:59
theorem :: YELLOW_4:60
theorem Th61: :: YELLOW_4:61
theorem :: YELLOW_4:62
theorem Th63: :: YELLOW_4:63
theorem :: YELLOW_4:64