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Mirrors > Home > QLE Home > Th. List > oalem2 | Unicode version |
Description: Lemma. |
Ref | Expression |
---|---|
oalem2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-a2 31 | . . . . . . 7 | |
2 | 1 | ax-r4 37 | . . . . . 6 |
3 | ancom 74 | . . . . . 6 | |
4 | 2, 3 | 2or 72 | . . . . 5 |
5 | 4 | lan 77 | . . . 4 |
6 | oath1 1004 | . . . 4 | |
7 | 5, 6 | ax-r2 36 | . . 3 |
8 | 7 | lor 70 | . 2 |
9 | ancom 74 | . . 3 | |
10 | 9 | lor 70 | . 2 |
11 | orabs 120 | . 2 | |
12 | 8, 10, 11 | 3tr 65 | 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-a5 34 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 ax-3oa 998 |
This theorem depends on definitions: df-a 40 df-t 41 df-f 42 df-i1 44 df-i2 45 df-le1 130 df-le2 131 |
This theorem is referenced by: (None) |
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