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Mirrors > Home > QLE Home > Th. List > oml5 | Unicode version |
Description: Orthomodular law. |
Ref | Expression |
---|---|
oml5 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oml 445 | . . 3 | |
2 | ax-a3 32 | . . . . . 6 | |
3 | ancom 74 | . . . . . . . . 9 | |
4 | 3 | lor 70 | . . . . . . . 8 |
5 | orabs 120 | . . . . . . . 8 | |
6 | 4, 5 | ax-r2 36 | . . . . . . 7 |
7 | 6 | ax-r5 38 | . . . . . 6 |
8 | or12 80 | . . . . . 6 | |
9 | 2, 7, 8 | 3tr2 64 | . . . . 5 |
10 | 9 | lan 77 | . . . 4 |
11 | 10 | lor 70 | . . 3 |
12 | 2, 8 | ax-r2 36 | . . 3 |
13 | 1, 11, 12 | 3tr1 63 | . 2 |
14 | 13, 7 | ax-r2 36 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wo 6 wa 7 |
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-r3 439 |
This theorem depends on definitions: df-b 39 df-a 40 df-t 41 df-f 42 |
This theorem is referenced by: i3th1 543 |
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