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Mirrors > Home > QLE Home > Th. List > wwcomd | Unicode version |
Description: Commutation dual (weak). Kalmbach 83 p. 23. |
Ref | Expression |
---|---|
wwcomd.1 |
Ref | Expression |
---|---|
wwcomd |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wwcomd.1 | . . . 4 | |
2 | 1 | df-c2 133 | . . 3 |
3 | oran 87 | . . . 4 | |
4 | ax-a2 31 | . . . 4 | |
5 | oran 87 | . . . . . 6 | |
6 | anor2 89 | . . . . . . . 8 | |
7 | 6 | ax-r1 35 | . . . . . . 7 |
8 | 7 | con3 68 | . . . . . 6 |
9 | 5, 8 | 2an 79 | . . . . 5 |
10 | 9 | ax-r4 37 | . . . 4 |
11 | 3, 4, 10 | 3tr1 63 | . . 3 |
12 | 2, 11 | ax-r2 36 | . 2 |
13 | 12 | con1 66 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wc 3 wn 4 wo 6 wa 7 |
This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 |
This theorem depends on definitions: df-a 40 df-c2 133 |
This theorem is referenced by: wwcom3ii 215 |
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