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Mirrors > Home > QLE Home > Th. List > 4oaiii | Unicode version |
Description: Proper OA analog to Godowski/Greechie, Eq. III. |
Ref | Expression |
---|---|
4oa.1 | |
4oa.2 |
Ref | Expression |
---|---|
4oaiii |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 4oa.1 | . . . 4 | |
2 | 4oa.2 | . . . 4 | |
3 | 1, 2 | 4oa 1039 | . . 3 |
4 | lear 161 | . . 3 | |
5 | 3, 4 | ler2an 173 | . 2 |
6 | ancom 74 | . . . . 5 | |
7 | 1, 6 | ax-r2 36 | . . . 4 |
8 | ancom 74 | . . . . . . 7 | |
9 | ancom 74 | . . . . . . 7 | |
10 | 8, 9 | 2or 72 | . . . . . 6 |
11 | 10 | ax-r5 38 | . . . . 5 |
12 | 2, 11 | ax-r2 36 | . . . 4 |
13 | 7, 12 | 4oa 1039 | . . 3 |
14 | lear 161 | . . 3 | |
15 | 13, 14 | ler2an 173 | . 2 |
16 | 5, 15 | lebi 145 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wo 6 wa 7 wi1 12 |
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 ax-4oa 1033 |
This theorem depends on definitions: df-b 39 df-a 40 df-t 41 df-f 42 df-i1 44 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
This theorem is referenced by: 4oath1 1041 |
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