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Mirrors > Home > QLE Home > Th. List > i3n1 | Unicode version |
Description: Equivalence for Kalmbach implication. |
Ref | Expression |
---|---|
i3n1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-i3 46 | . 2 | |
2 | ax-a1 30 | . . . . . 6 | |
3 | 2 | ran 78 | . . . . 5 |
4 | ax-a1 30 | . . . . . 6 | |
5 | 2, 4 | 2an 79 | . . . . 5 |
6 | 3, 5 | 2or 72 | . . . 4 |
7 | 2 | ax-r5 38 | . . . . 5 |
8 | 7 | lan 77 | . . . 4 |
9 | 6, 8 | 2or 72 | . . 3 |
10 | 9 | ax-r1 35 | . 2 |
11 | 1, 10 | ax-r2 36 | 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-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 |
This theorem depends on definitions: df-a 40 df-i3 46 |
This theorem is referenced by: oi3ai3 503 i3con 551 i3orlem7 558 i3orlem8 559 |
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