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Mirrors > Home > QLE Home > Th. List > 3vth9 | Unicode version |
Description: A 3-variable theorem. |
Ref | Expression |
---|---|
3vth9 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anor3 90 | . . . 4 | |
2 | 1 | ax-r1 35 | . . 3 |
3 | df-i2 45 | . . . 4 | |
4 | 3 | lan 77 | . . 3 |
5 | 2, 4 | 2or 72 | . 2 |
6 | df-i1 44 | . 2 | |
7 | df-i2 45 | . . . 4 | |
8 | df-i2 45 | . . . . 5 | |
9 | anor3 90 | . . . . . . . 8 | |
10 | 9 | ax-r1 35 | . . . . . . 7 |
11 | ud2lem0c 278 | . . . . . . 7 | |
12 | 10, 11 | 2an 79 | . . . . . 6 |
13 | anandi 114 | . . . . . . . 8 | |
14 | 13 | ax-r1 35 | . . . . . . 7 |
15 | anass 76 | . . . . . . . 8 | |
16 | 15 | ax-r1 35 | . . . . . . 7 |
17 | 14, 16 | ax-r2 36 | . . . . . 6 |
18 | 12, 17 | ax-r2 36 | . . . . 5 |
19 | 8, 18 | 2or 72 | . . . 4 |
20 | 7, 19 | ax-r2 36 | . . 3 |
21 | or32 82 | . . . 4 | |
22 | comanr1 464 | . . . . . . . . 9 | |
23 | 22 | comcom6 459 | . . . . . . . 8 |
24 | comorr2 463 | . . . . . . . 8 | |
25 | 23, 24 | fh3 471 | . . . . . . 7 |
26 | ancom 74 | . . . . . . . . . 10 | |
27 | 26 | lor 70 | . . . . . . . . 9 |
28 | or12 80 | . . . . . . . . . 10 | |
29 | oridm 110 | . . . . . . . . . . 11 | |
30 | 29 | lor 70 | . . . . . . . . . 10 |
31 | 28, 30 | ax-r2 36 | . . . . . . . . 9 |
32 | 27, 31 | 2an 79 | . . . . . . . 8 |
33 | ancom 74 | . . . . . . . 8 | |
34 | 32, 33 | ax-r2 36 | . . . . . . 7 |
35 | 25, 34 | ax-r2 36 | . . . . . 6 |
36 | 35 | ax-r5 38 | . . . . 5 |
37 | ax-a2 31 | . . . . 5 | |
38 | 36, 37 | ax-r2 36 | . . . 4 |
39 | 21, 38 | ax-r2 36 | . . 3 |
40 | 20, 39 | ax-r2 36 | . 2 |
41 | 5, 6, 40 | 3tr1 63 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wo 6 wa 7 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: (None) |
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