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Mirrors > Home > QLE Home > Th. List > 3vth6 | Unicode version |
Description: A 3-variable theorem. |
Ref | Expression |
---|---|
3vth6 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oridm 110 | . . 3 | |
2 | 1 | ax-r1 35 | . 2 |
3 | 3vth4 807 | . . . 4 | |
4 | 3 | lor 70 | . . 3 |
5 | 3vth5 808 | . . . . 5 | |
6 | ax-a2 31 | . . . . . . 7 | |
7 | 6 | ud2lem0a 258 | . . . . . 6 |
8 | 3vth5 808 | . . . . . 6 | |
9 | 7, 8 | ax-r2 36 | . . . . 5 |
10 | 5, 9 | 2or 72 | . . . 4 |
11 | or4 84 | . . . . 5 | |
12 | ax-a2 31 | . . . . . . 7 | |
13 | 12 | ax-r5 38 | . . . . . 6 |
14 | or4 84 | . . . . . . 7 | |
15 | leo 158 | . . . . . . . . . . 11 | |
16 | df-i2 45 | . . . . . . . . . . . 12 | |
17 | 16 | ax-r1 35 | . . . . . . . . . . 11 |
18 | 15, 17 | lbtr 139 | . . . . . . . . . 10 |
19 | leo 158 | . . . . . . . . . . 11 | |
20 | df-i2 45 | . . . . . . . . . . . 12 | |
21 | 20 | ax-r1 35 | . . . . . . . . . . 11 |
22 | 19, 21 | lbtr 139 | . . . . . . . . . 10 |
23 | 18, 22 | ler2an 173 | . . . . . . . . 9 |
24 | 23 | df-le2 131 | . . . . . . . 8 |
25 | leo 158 | . . . . . . . . . . 11 | |
26 | df-i2 45 | . . . . . . . . . . . 12 | |
27 | 26 | ax-r1 35 | . . . . . . . . . . 11 |
28 | 25, 27 | lbtr 139 | . . . . . . . . . 10 |
29 | leo 158 | . . . . . . . . . . 11 | |
30 | df-i2 45 | . . . . . . . . . . . 12 | |
31 | 30 | ax-r1 35 | . . . . . . . . . . 11 |
32 | 29, 31 | lbtr 139 | . . . . . . . . . 10 |
33 | 28, 32 | ler2an 173 | . . . . . . . . 9 |
34 | 33 | df-le2 131 | . . . . . . . 8 |
35 | 24, 34 | 2or 72 | . . . . . . 7 |
36 | 14, 35 | ax-r2 36 | . . . . . 6 |
37 | 13, 36 | ax-r2 36 | . . . . 5 |
38 | 11, 37 | ax-r2 36 | . . . 4 |
39 | 10, 38 | ax-r2 36 | . . 3 |
40 | 4, 39 | ax-r2 36 | . 2 |
41 | 2, 40 | ax-r2 36 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wo 6 wa 7 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-i2 45 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
This theorem is referenced by: 3vth8 811 |
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