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| Description: Lemma for Kalmbach implication study. |
| Ref | Expression |
|---|---|
| u3lemab |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-i3 45 |
. . 3
| |
| 2 | 1 | ran 71 |
. 2
|
| 3 | comanr2 447 |
. . . . . 6
| |
| 4 | comanr2 447 |
. . . . . . 7
| |
| 5 | 4 | comcom6 441 |
. . . . . 6
|
| 6 | 3, 5 | com2or 465 |
. . . . 5
|
| 7 | 6 | comcom 435 |
. . . 4
|
| 8 | coman1 177 |
. . . . . . . . 9
| |
| 9 | 8 | comcom7 442 |
. . . . . . . 8
|
| 10 | coman2 178 |
. . . . . . . . 9
| |
| 11 | 8, 10 | com2or 465 |
. . . . . . . 8
|
| 12 | 9, 11 | com2an 466 |
. . . . . . 7
|
| 13 | 12 | comcom 435 |
. . . . . 6
|
| 14 | coman1 177 |
. . . . . . . . 9
| |
| 15 | 14 | comcom7 442 |
. . . . . . . 8
|
| 16 | coman2 178 |
. . . . . . . . . 10
| |
| 17 | 16 | comcom7 442 |
. . . . . . . . 9
|
| 18 | 14, 17 | com2or 465 |
. . . . . . . 8
|
| 19 | 15, 18 | com2an 466 |
. . . . . . 7
|
| 20 | 19 | comcom 435 |
. . . . . 6
|
| 21 | 13, 20 | com2or 465 |
. . . . 5
|
| 22 | 21 | comcom 435 |
. . . 4
|
| 23 | 7, 22 | fh2r 456 |
. . 3
|
| 24 | 3, 5 | fh1r 455 |
. . . . . 6
|
| 25 | anass 69 |
. . . . . . . . 9
| |
| 26 | anidm 103 |
. . . . . . . . . 10
| |
| 27 | 26 | lan 70 |
. . . . . . . . 9
|
| 28 | 25, 27 | ax-r2 35 |
. . . . . . . 8
|
| 29 | an32 76 |
. . . . . . . . 9
| |
| 30 | anass 69 |
. . . . . . . . . 10
| |
| 31 | dff 93 |
. . . . . . . . . . . . 13
| |
| 32 | 31 | ax-r1 34 |
. . . . . . . . . . . 12
|
| 33 | 32 | lan 70 |
. . . . . . . . . . 11
|
| 34 | an0 100 |
. . . . . . . . . . 11
| |
| 35 | 33, 34 | ax-r2 35 |
. . . . . . . . . 10
|
| 36 | 30, 35 | ax-r2 35 |
. . . . . . . . 9
|
| 37 | 29, 36 | ax-r2 35 |
. . . . . . . 8
|
| 38 | 28, 37 | 2or 67 |
. . . . . . 7
|
| 39 | or0 94 |
. . . . . . 7
| |
| 40 | 38, 39 | ax-r2 35 |
. . . . . 6
|
| 41 | 24, 40 | ax-r2 35 |
. . . . 5
|
| 42 | anass 69 |
. . . . . 6
| |
| 43 | ancom 68 |
. . . . . . . 8
| |
| 44 | ax-a2 30 |
. . . . . . . . . 10
| |
| 45 | 44 | lan 70 |
. . . . . . . . 9
|
| 46 | a5c 113 |
. . . . . . . . 9
| |
| 47 | 45, 46 | ax-r2 35 |
. . . . . . . 8
|
| 48 | 43, 47 | ax-r2 35 |
. . . . . . 7
|
| 49 | 48 | lan 70 |
. . . . . 6
|
| 50 | 42, 49 | ax-r2 35 |
. . . . 5
|
| 51 | 41, 50 | 2or 67 |
. . . 4
|
| 52 | ax-a2 30 |
. . . 4
| |
| 53 | 51, 52 | ax-r2 35 |
. . 3
|
| 54 | 23, 53 | ax-r2 35 |
. 2
|
| 55 | 2, 54 | ax-r2 35 |
1
|
| Colors of variables: term |
| Syntax hints: |
| This theorem is referenced by: u3lemnonb 659 neg3antlem1 846 neg3antlem2 847 |
| This theorem was proved from axioms: ax-a1 29 ax-a2 30 ax-a3 31 ax-a4 32 ax-a5 33 ax-r1 34 ax-r2 35 ax-r4 36 ax-r5 37 ax-r3 421 |
| This theorem depends on definitions: df-b 38 df-a 39 df-t 40 df-f 41 df-i3 45 df-le1 122 df-le2 123 df-c1 124 df-c2 125 |