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Mirrors > Home > QLE Home > Th. List > ni32 | Unicode version |
Description: Equivalence for Kalmbach implication. |
Ref | Expression |
---|---|
ni32 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df2i3 498 | . . 3 | |
2 | oran 87 | . . . 4 | |
3 | oran 87 | . . . . . . 7 | |
4 | oran 87 | . . . . . . . 8 | |
5 | anor1 88 | . . . . . . . . . . . . 13 | |
6 | 5 | con2 67 | . . . . . . . . . . . 12 |
7 | 6 | ax-r1 35 | . . . . . . . . . . 11 |
8 | oran 87 | . . . . . . . . . . . 12 | |
9 | anor2 89 | . . . . . . . . . . . . . . 15 | |
10 | 9 | con2 67 | . . . . . . . . . . . . . 14 |
11 | 10 | lan 77 | . . . . . . . . . . . . 13 |
12 | 11 | ax-r4 37 | . . . . . . . . . . . 12 |
13 | 8, 12 | ax-r2 36 | . . . . . . . . . . 11 |
14 | 7, 13 | 2an 79 | . . . . . . . . . 10 |
15 | 14 | ax-r1 35 | . . . . . . . . 9 |
16 | 15 | ax-r4 37 | . . . . . . . 8 |
17 | 4, 16 | ax-r2 36 | . . . . . . 7 |
18 | 3, 17 | 2an 79 | . . . . . 6 |
19 | 18 | ax-r1 35 | . . . . 5 |
20 | 19 | ax-r4 37 | . . . 4 |
21 | 2, 20 | ax-r2 36 | . . 3 |
22 | 1, 21 | ax-r2 36 | . 2 |
23 | 22 | con2 67 | 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: oi3ai3 503 i3con 551 |
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