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Mirrors > Home > QLE Home > Th. List > ri3 | Unicode version |
Description: Introduce Kalmbach implication to the right. |
Ref | Expression |
---|---|
ri3.1 |
Ref | Expression |
---|---|
ri3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ri3.1 | . . . . . 6 | |
2 | 1 | ax-r4 37 | . . . . 5 |
3 | 2 | ran 78 | . . . 4 |
4 | 2 | ran 78 | . . . 4 |
5 | 3, 4 | 2or 72 | . . 3 |
6 | 2 | ax-r5 38 | . . . 4 |
7 | 1, 6 | 2an 79 | . . 3 |
8 | 5, 7 | 2or 72 | . 2 |
9 | df-i3 46 | . 2 | |
10 | df-i3 46 | . 2 | |
11 | 8, 9, 10 | 3tr1 63 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wo 6 wa 7 wi3 14 |
This theorem was proved from axioms: 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: 2i3 254 ud3lem0b 261 bina2 283 ska14 514 i3orcom 525 i3ancom 526 bi3tr 527 i3ri3 538 |
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