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Mirrors > Home > QLE Home > Th. List > 4oath1 | Unicode version |
Description: Proper 4-OA theorem. |
Ref | Expression |
---|---|
4oa.1 | |
4oa.2 |
Ref | Expression |
---|---|
4oath1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 4oa.1 | . . . . . 6 | |
2 | 4oa.2 | . . . . . 6 | |
3 | 1, 2 | 4oaiii 1040 | . . . . 5 |
4 | 3 | lan 77 | . . . 4 |
5 | or32 82 | . . . . . . 7 | |
6 | 2, 5 | ax-r2 36 | . . . . . 6 |
7 | 6 | lan 77 | . . . . 5 |
8 | 6 | lan 77 | . . . . 5 |
9 | 7, 8 | 2an 79 | . . . 4 |
10 | 4, 9 | ax-r2 36 | . . 3 |
11 | anidm 111 | . . . 4 | |
12 | 11 | ax-r1 35 | . . 3 |
13 | anandir 115 | . . 3 | |
14 | 10, 12, 13 | 3tr1 63 | . 2 |
15 | ax-a2 31 | . . 3 | |
16 | 15 | lan 77 | . 2 |
17 | anabs 121 | . 2 | |
18 | 14, 16, 17 | 3tr 65 | 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: 4oagen1 1042 |
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