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| Mirrors > Home > QLE Home > Th. List > u3lemona | Unicode version | ||
| Description: Lemma for Kalmbach implication study. |
| Ref | Expression |
|---|---|
| u3lemona |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-i3 46 |
. . 3
| |
| 2 | 1 | ax-r5 38 |
. 2
|
| 3 | or32 82 |
. . 3
| |
| 4 | lea 160 |
. . . . . . 7
| |
| 5 | lea 160 |
. . . . . . 7
| |
| 6 | 4, 5 | lel2or 170 |
. . . . . 6
|
| 7 | 6 | df-le2 131 |
. . . . 5
|
| 8 | 7 | ax-r5 38 |
. . . 4
|
| 9 | omln 446 |
. . . 4
| |
| 10 | 8, 9 | ax-r2 36 |
. . 3
|
| 11 | 3, 10 | ax-r2 36 |
. 2
|
| 12 | 2, 11 | ax-r2 36 |
1
|
| Colors of variables: term |
| Syntax hints: |
| This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-a3 32 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 |
| This theorem is referenced by: u3lemnaa 642 u3lem5 763 |
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