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Mirrors > Home > QLE Home > Th. List > i3orlem5 | Unicode version |
Description: Lemma for Kalmbach implication OR builder. |
Ref | Expression |
---|---|
i3orlem5 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | leo 158 | . 2 | |
2 | anandir 115 | . . 3 | |
3 | oran 87 | . . . . . 6 | |
4 | 3 | con2 67 | . . . . 5 |
5 | 4 | ax-r1 35 | . . . 4 |
6 | oran 87 | . . . . . 6 | |
7 | 6 | con2 67 | . . . . 5 |
8 | 7 | ax-r1 35 | . . . 4 |
9 | 5, 8 | 2an 79 | . . 3 |
10 | 2, 9 | ax-r2 36 | . 2 |
11 | df2i3 498 | . 2 | |
12 | 1, 10, 11 | le3tr1 140 | 1 |
Colors of variables: term |
Syntax hints: wle 2 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: (None) |
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