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Mirrors > Home > QLE Home > Th. List > u4lem1n | Unicode version |
Description: Lemma for unified implication study. |
Ref | Expression |
---|---|
u4lem1n |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oran1 91 | . . . . 5 | |
2 | df-a 40 | . . . . . . . . . . 11 | |
3 | anor1 88 | . . . . . . . . . . 11 | |
4 | 2, 3 | 2or 72 | . . . . . . . . . 10 |
5 | 4 | ax-r4 37 | . . . . . . . . 9 |
6 | df-a 40 | . . . . . . . . . 10 | |
7 | 6 | ax-r1 35 | . . . . . . . . 9 |
8 | 5, 7 | ax-r2 36 | . . . . . . . 8 |
9 | ancom 74 | . . . . . . . 8 | |
10 | 8, 9 | ax-r2 36 | . . . . . . 7 |
11 | 10 | ran 78 | . . . . . 6 |
12 | 11 | ax-r4 37 | . . . . 5 |
13 | 1, 12 | ax-r2 36 | . . . 4 |
14 | ancom 74 | . . . . 5 | |
15 | df-a 40 | . . . . . 6 | |
16 | anor2 89 | . . . . . . . . 9 | |
17 | anor3 90 | . . . . . . . . 9 | |
18 | 16, 17 | 2or 72 | . . . . . . . 8 |
19 | 18 | ax-r4 37 | . . . . . . 7 |
20 | 19 | ax-r1 35 | . . . . . 6 |
21 | 15, 20 | ax-r2 36 | . . . . 5 |
22 | 14, 21 | ax-r2 36 | . . . 4 |
23 | 13, 22 | 2an 79 | . . 3 |
24 | 23 | ax-r4 37 | . 2 |
25 | u4lem1 737 | . . 3 | |
26 | 25 | ax-r4 37 | . 2 |
27 | oran 87 | . 2 | |
28 | 24, 26, 27 | 3tr1 63 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wo 6 wa 7 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: u4lem2 747 |
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