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Mirrors > Home > QLE Home > Th. List > lei3 | Unicode version |
Description: L.e. to Kalmbach implication. |
Ref | Expression |
---|---|
lei3.1 |
Ref | Expression |
---|---|
lei3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-a3 32 | . . 3 | |
2 | ax-a2 31 | . . . . 5 | |
3 | ancom 74 | . . . . . . 7 | |
4 | lei3.1 | . . . . . . . . 9 | |
5 | 4 | lecon 154 | . . . . . . . 8 |
6 | 5 | df2le2 136 | . . . . . . 7 |
7 | 3, 6 | ax-r2 36 | . . . . . 6 |
8 | 4 | sklem 230 | . . . . . . . 8 |
9 | 8 | lan 77 | . . . . . . 7 |
10 | an1 106 | . . . . . . 7 | |
11 | 9, 10 | ax-r2 36 | . . . . . 6 |
12 | 7, 11 | 2or 72 | . . . . 5 |
13 | anor2 89 | . . . . . 6 | |
14 | 13 | con2 67 | . . . . 5 |
15 | 2, 12, 14 | 3tr1 63 | . . . 4 |
16 | 15 | lor 70 | . . 3 |
17 | 1, 16 | ax-r2 36 | . 2 |
18 | df-i3 46 | . 2 | |
19 | df-t 41 | . 2 | |
20 | 17, 18, 19 | 3tr1 63 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wle 2 wn 4 wo 6 wa 7 wt 8 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 |
This theorem depends on definitions: df-a 40 df-t 41 df-f 42 df-i3 46 df-le1 130 df-le2 131 |
This theorem is referenced by: bina3 284 bina4 285 bina5 286 bii3 516 binr1 517 binr2 518 binr3 519 i3ri3 538 i3li3 539 i32i3 540 i3th5 547 i3th7 549 i3th8 550 |
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