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Mirrors > Home > QLE Home > Th. List > u3lem3 | Unicode version |
Description: Lemma for unified implication study. |
Ref | Expression |
---|---|
u3lem3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-i3 46 | . 2 | |
2 | ancom 74 | . . . . . . 7 | |
3 | u3lemanb 617 | . . . . . . 7 | |
4 | 2, 3 | ax-r2 36 | . . . . . 6 |
5 | ancom 74 | . . . . . . 7 | |
6 | u3lemnanb 657 | . . . . . . 7 | |
7 | 5, 6 | ax-r2 36 | . . . . . 6 |
8 | 4, 7 | 2or 72 | . . . . 5 |
9 | ancom 74 | . . . . . . 7 | |
10 | ancom 74 | . . . . . . 7 | |
11 | 9, 10 | 2or 72 | . . . . . 6 |
12 | ax-a2 31 | . . . . . 6 | |
13 | 11, 12 | ax-r2 36 | . . . . 5 |
14 | 8, 13 | ax-r2 36 | . . . 4 |
15 | ax-a2 31 | . . . . . . 7 | |
16 | u3lemonb 637 | . . . . . . 7 | |
17 | 15, 16 | ax-r2 36 | . . . . . 6 |
18 | 17 | lan 77 | . . . . 5 |
19 | an1 106 | . . . . 5 | |
20 | 18, 19 | ax-r2 36 | . . . 4 |
21 | 14, 20 | 2or 72 | . . 3 |
22 | ax-a2 31 | . . 3 | |
23 | 21, 22 | ax-r2 36 | . 2 |
24 | 1, 23 | ax-r2 36 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wo 6 wa 7 wt 8 wi3 14 |
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-i3 46 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
This theorem is referenced by: u3lem3n 754 u3lem14a 791 |
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