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Mirrors > Home > QLE Home > Th. List > u3lemnona | Unicode version |
Description: Lemma for Kalmbach implication study. |
Ref | Expression |
---|---|
u3lemnona |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | u3lemaa 602 | . . . 4 | |
2 | oran2 92 | . . . . 5 | |
3 | 2 | lan 77 | . . . 4 |
4 | 1, 3 | ax-r2 36 | . . 3 |
5 | df-a 40 | . . 3 | |
6 | anor1 88 | . . 3 | |
7 | 4, 5, 6 | 3tr2 64 | . 2 |
8 | 7 | con1 66 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wo 6 wa 7 wi3 14 |
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 |
This theorem depends on definitions: df-b 39 df-a 40 df-t 41 df-f 42 df-i3 46 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
This theorem is referenced by: u3lem13b 790 |
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