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Mirrors > Home > QLE Home > Th. List > oa3-1lem | Unicode version |
Description: Lemma for 3-OA(1). Equivalence with substitution into 6-OA dual. |
Ref | Expression |
---|---|
oa3-1lem |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ancom 74 | . 2 | |
2 | an1 106 | . 2 | |
3 | ax-a2 31 | . . 3 | |
4 | or0 102 | . . 3 | |
5 | ancom 74 | . . . . . . . . 9 | |
6 | an0 108 | . . . . . . . . 9 | |
7 | 5, 6 | ax-r2 36 | . . . . . . . 8 |
8 | ancom 74 | . . . . . . . . 9 | |
9 | an1 106 | . . . . . . . . 9 | |
10 | 8, 9 | ax-r2 36 | . . . . . . . 8 |
11 | 7, 10 | 2or 72 | . . . . . . 7 |
12 | ax-a2 31 | . . . . . . 7 | |
13 | or0 102 | . . . . . . 7 | |
14 | 11, 12, 13 | 3tr 65 | . . . . . 6 |
15 | 14 | ax-r5 38 | . . . . 5 |
16 | ax-a2 31 | . . . . . . . 8 | |
17 | ancom 74 | . . . . . . . . . 10 | |
18 | an1 106 | . . . . . . . . . 10 | |
19 | 17, 18 | ax-r2 36 | . . . . . . . . 9 |
20 | ancom 74 | . . . . . . . . . 10 | |
21 | an0 108 | . . . . . . . . . 10 | |
22 | 20, 21 | ax-r2 36 | . . . . . . . . 9 |
23 | 19, 22 | 2or 72 | . . . . . . . 8 |
24 | or0 102 | . . . . . . . 8 | |
25 | 16, 23, 24 | 3tr 65 | . . . . . . 7 |
26 | 25 | ran 78 | . . . . . 6 |
27 | 26 | lor 70 | . . . . 5 |
28 | 15, 27 | ax-r2 36 | . . . 4 |
29 | 28 | lan 77 | . . 3 |
30 | 3, 4, 29 | 3tr 65 | . 2 |
31 | 1, 2, 30 | 3tr 65 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wo 6 wa 7 wt 8 wf 9 wi1 12 |
This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-a4 33 ax-a5 34 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 |
This theorem depends on definitions: df-a 40 df-t 41 df-f 42 |
This theorem is referenced by: (None) |
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