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Mirrors > Home > QLE Home > Th. List > u4lemaa | Unicode version |
Description: Lemma for non-tollens implication study. |
Ref | Expression |
---|---|
u4lemaa |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-i4 47 | . . 3 | |
2 | 1 | ran 78 | . 2 |
3 | comanr1 464 | . . . . . 6 | |
4 | comanr1 464 | . . . . . . 7 | |
5 | 4 | comcom6 459 | . . . . . 6 |
6 | 3, 5 | com2or 483 | . . . . 5 |
7 | 6 | comcom 453 | . . . 4 |
8 | 3 | comcom3 454 | . . . . . . . 8 |
9 | 8, 4 | com2or 483 | . . . . . . 7 |
10 | 9 | comcom 453 | . . . . . 6 |
11 | comanr2 465 | . . . . . . . 8 | |
12 | comanr2 465 | . . . . . . . 8 | |
13 | 11, 12 | com2or 483 | . . . . . . 7 |
14 | 13 | comcom 453 | . . . . . 6 |
15 | 10, 14 | com2or 483 | . . . . 5 |
16 | 14 | comcom2 183 | . . . . 5 |
17 | 15, 16 | com2an 484 | . . . 4 |
18 | 7, 17 | fh2r 474 | . . 3 |
19 | 3, 5 | fh1r 473 | . . . . . 6 |
20 | an32 83 | . . . . . . . . 9 | |
21 | anidm 111 | . . . . . . . . . 10 | |
22 | 21 | ran 78 | . . . . . . . . 9 |
23 | 20, 22 | ax-r2 36 | . . . . . . . 8 |
24 | ancom 74 | . . . . . . . . 9 | |
25 | anass 76 | . . . . . . . . . . 11 | |
26 | 25 | ax-r1 35 | . . . . . . . . . 10 |
27 | ancom 74 | . . . . . . . . . . 11 | |
28 | dff 101 | . . . . . . . . . . . . . 14 | |
29 | 28 | ax-r1 35 | . . . . . . . . . . . . 13 |
30 | 29 | lan 77 | . . . . . . . . . . . 12 |
31 | an0 108 | . . . . . . . . . . . 12 | |
32 | 30, 31 | ax-r2 36 | . . . . . . . . . . 11 |
33 | 27, 32 | ax-r2 36 | . . . . . . . . . 10 |
34 | 26, 33 | ax-r2 36 | . . . . . . . . 9 |
35 | 24, 34 | ax-r2 36 | . . . . . . . 8 |
36 | 23, 35 | 2or 72 | . . . . . . 7 |
37 | or0 102 | . . . . . . 7 | |
38 | 36, 37 | ax-r2 36 | . . . . . 6 |
39 | 19, 38 | ax-r2 36 | . . . . 5 |
40 | anass 76 | . . . . . 6 | |
41 | ancom 74 | . . . . . . . . 9 | |
42 | anor1 88 | . . . . . . . . 9 | |
43 | 41, 42 | ax-r2 36 | . . . . . . . 8 |
44 | 43 | lan 77 | . . . . . . 7 |
45 | dff 101 | . . . . . . . 8 | |
46 | 45 | ax-r1 35 | . . . . . . 7 |
47 | 44, 46 | ax-r2 36 | . . . . . 6 |
48 | 40, 47 | ax-r2 36 | . . . . 5 |
49 | 39, 48 | 2or 72 | . . . 4 |
50 | 49, 37 | ax-r2 36 | . . 3 |
51 | 18, 50 | ax-r2 36 | . 2 |
52 | 2, 51 | ax-r2 36 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wo 6 wa 7 wf 9 wi4 15 |
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-i4 47 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
This theorem is referenced by: u4lemnona 668 u4lem1 737 u4lem5 764 |
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