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Mirrors > Home > QLE Home > Th. List > bi3 | Unicode version |
Description: Chained biconditional. |
Ref | Expression |
---|---|
bi3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dfb 94 | . . 3 | |
2 | u12lembi 726 | . . . 4 | |
3 | 2 | ax-r1 35 | . . 3 |
4 | 1, 3 | 2an 79 | . 2 |
5 | df-i1 44 | . . . . . 6 | |
6 | 5 | lan 77 | . . . . 5 |
7 | lear 161 | . . . . . . . 8 | |
8 | leo 158 | . . . . . . . 8 | |
9 | 7, 8 | letr 137 | . . . . . . 7 |
10 | 9 | lecom 180 | . . . . . 6 |
11 | coman1 185 | . . . . . . . 8 | |
12 | 11 | comcom7 460 | . . . . . . 7 |
13 | coman2 186 | . . . . . . . 8 | |
14 | 13 | comcom7 460 | . . . . . . 7 |
15 | 12, 14 | com2an 484 | . . . . . 6 |
16 | 10, 15 | fh2rc 480 | . . . . 5 |
17 | comanr2 465 | . . . . . . . . 9 | |
18 | 17 | comcom3 454 | . . . . . . . 8 |
19 | comanr1 464 | . . . . . . . . 9 | |
20 | 19 | comcom3 454 | . . . . . . . 8 |
21 | 18, 20 | fh2 470 | . . . . . . 7 |
22 | anass 76 | . . . . . . . . 9 | |
23 | dff 101 | . . . . . . . . . . 11 | |
24 | 23 | lan 77 | . . . . . . . . . 10 |
25 | 24 | ax-r1 35 | . . . . . . . . 9 |
26 | an0 108 | . . . . . . . . 9 | |
27 | 22, 25, 26 | 3tr 65 | . . . . . . . 8 |
28 | anass 76 | . . . . . . . . . 10 | |
29 | 28 | ax-r1 35 | . . . . . . . . 9 |
30 | anass 76 | . . . . . . . . . . 11 | |
31 | anidm 111 | . . . . . . . . . . . 12 | |
32 | 31 | lan 77 | . . . . . . . . . . 11 |
33 | 30, 32 | ax-r2 36 | . . . . . . . . . 10 |
34 | 33 | ran 78 | . . . . . . . . 9 |
35 | 29, 34 | ax-r2 36 | . . . . . . . 8 |
36 | 27, 35 | 2or 72 | . . . . . . 7 |
37 | or0r 103 | . . . . . . 7 | |
38 | 21, 36, 37 | 3tr 65 | . . . . . 6 |
39 | 13 | comcom 453 | . . . . . . . 8 |
40 | 39, 20 | fh2 470 | . . . . . . 7 |
41 | anass 76 | . . . . . . . . 9 | |
42 | anidm 111 | . . . . . . . . . 10 | |
43 | 42 | lan 77 | . . . . . . . . 9 |
44 | 41, 43 | ax-r2 36 | . . . . . . . 8 |
45 | an4 86 | . . . . . . . . 9 | |
46 | anass 76 | . . . . . . . . 9 | |
47 | 23 | ran 78 | . . . . . . . . . . . . 13 |
48 | 47 | ax-r1 35 | . . . . . . . . . . . 12 |
49 | anass 76 | . . . . . . . . . . . 12 | |
50 | an0r 109 | . . . . . . . . . . . 12 | |
51 | 48, 49, 50 | 3tr2 64 | . . . . . . . . . . 11 |
52 | 51 | lan 77 | . . . . . . . . . 10 |
53 | an0 108 | . . . . . . . . . 10 | |
54 | 52, 53 | ax-r2 36 | . . . . . . . . 9 |
55 | 45, 46, 54 | 3tr 65 | . . . . . . . 8 |
56 | 44, 55 | 2or 72 | . . . . . . 7 |
57 | or0 102 | . . . . . . 7 | |
58 | 40, 56, 57 | 3tr 65 | . . . . . 6 |
59 | 38, 58 | 2or 72 | . . . . 5 |
60 | 6, 16, 59 | 3tr 65 | . . . 4 |
61 | 60 | ran 78 | . . 3 |
62 | anass 76 | . . 3 | |
63 | lear 161 | . . . . . . . 8 | |
64 | leo 158 | . . . . . . . 8 | |
65 | 63, 64 | letr 137 | . . . . . . 7 |
66 | an32 83 | . . . . . . 7 | |
67 | df-i2 45 | . . . . . . 7 | |
68 | 65, 66, 67 | le3tr1 140 | . . . . . 6 |
69 | 68 | lecom 180 | . . . . 5 |
70 | anass 76 | . . . . . . . . . 10 | |
71 | lea 160 | . . . . . . . . . 10 | |
72 | 70, 71 | bltr 138 | . . . . . . . . 9 |
73 | leo 158 | . . . . . . . . 9 | |
74 | 72, 73 | letr 137 | . . . . . . . 8 |
75 | oran 87 | . . . . . . . 8 | |
76 | 74, 75 | lbtr 139 | . . . . . . 7 |
77 | 76 | lecom 180 | . . . . . 6 |
78 | 77 | comcom7 460 | . . . . 5 |
79 | 69, 78 | fh2r 474 | . . . 4 |
80 | anass 76 | . . . . . 6 | |
81 | an4 86 | . . . . . 6 | |
82 | ancom 74 | . . . . . . . . 9 | |
83 | u2lemab 611 | . . . . . . . . 9 | |
84 | 82, 83 | ax-r2 36 | . . . . . . . 8 |
85 | 84 | lan 77 | . . . . . . 7 |
86 | an32 83 | . . . . . . 7 | |
87 | 85, 86 | ax-r2 36 | . . . . . 6 |
88 | 80, 81, 87 | 3tr 65 | . . . . 5 |
89 | anass 76 | . . . . . 6 | |
90 | ancom 74 | . . . . . . . 8 | |
91 | u2lemanb 616 | . . . . . . . 8 | |
92 | 90, 91 | ax-r2 36 | . . . . . . 7 |
93 | 92 | lan 77 | . . . . . 6 |
94 | an12 81 | . . . . . . 7 | |
95 | ancom 74 | . . . . . . 7 | |
96 | 94, 95 | ax-r2 36 | . . . . . 6 |
97 | 89, 93, 96 | 3tr 65 | . . . . 5 |
98 | 88, 97 | 2or 72 | . . . 4 |
99 | 79, 98 | ax-r2 36 | . . 3 |
100 | 61, 62, 99 | 3tr2 64 | . 2 |
101 | 4, 100 | ax-r2 36 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 tb 5 wo 6 wa 7 wf 9 wi1 12 wi2 13 |
This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-a3 32 ax-a4 33 ax-a5 34 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 ax-r3 439 |
This theorem depends on definitions: df-b 39 df-a 40 df-t 41 df-f 42 df-i1 44 df-i2 45 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
This theorem is referenced by: bi4 840 mlaconj4 844 |
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