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| Mirrors > Home > ILE Home > Th. List > imadiflem | Unicode version | ||
| Description: One direction of imadif 4979. This direction does not require
|
| Ref | Expression |
|---|---|
| imadiflem |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-rex 2312 |
. . . 4
| |
| 2 | df-rex 2312 |
. . . . 5
| |
| 3 | 2 | notbii 594 |
. . . 4
|
| 4 | alnex 1388 |
. . . . . . 7
| |
| 5 | 19.29r 1512 |
. . . . . . 7
| |
| 6 | 4, 5 | sylan2br 272 |
. . . . . 6
|
| 7 | simpl 102 |
. . . . . . . . 9
| |
| 8 | simplr 482 |
. . . . . . . . . 10
| |
| 9 | simpr 103 |
. . . . . . . . . . 11
| |
| 10 | ancom 253 |
. . . . . . . . . . . . 13
| |
| 11 | 10 | notbii 594 |
. . . . . . . . . . . 12
|
| 12 | imnan 624 |
. . . . . . . . . . . 12
| |
| 13 | 11, 12 | bitr4i 176 |
. . . . . . . . . . 11
|
| 14 | 9, 13 | sylib 127 |
. . . . . . . . . 10
|
| 15 | 8, 14 | mpd 13 |
. . . . . . . . 9
|
| 16 | 7, 15, 8 | jca32 293 |
. . . . . . . 8
|
| 17 | eldif 2927 |
. . . . . . . . . 10
| |
| 18 | 17 | anbi1i 431 |
. . . . . . . . 9
|
| 19 | anandir 525 |
. . . . . . . . 9
| |
| 20 | 18, 19 | bitri 173 |
. . . . . . . 8
|
| 21 | 16, 20 | sylibr 137 |
. . . . . . 7
|
| 22 | 21 | eximi 1491 |
. . . . . 6
|
| 23 | 6, 22 | syl 14 |
. . . . 5
|
| 24 | df-rex 2312 |
. . . . 5
| |
| 25 | 23, 24 | sylibr 137 |
. . . 4
|
| 26 | 1, 3, 25 | syl2anb 275 |
. . 3
|
| 27 | 26 | ss2abi 3012 |
. 2
|
| 28 | dfima2 4670 |
. . . 4
| |
| 29 | dfima2 4670 |
. . . 4
| |
| 30 | 28, 29 | difeq12i 3060 |
. . 3
|
| 31 | difab 3206 |
. . 3
| |
| 32 | 30, 31 | eqtri 2060 |
. 2
|
| 33 | dfima2 4670 |
. 2
| |
| 34 | 27, 32, 33 | 3sstr4i 2984 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-in1 544 ax-in2 545 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-14 1405 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 ax-sep 3875 ax-pow 3927 ax-pr 3944 |
| This theorem depends on definitions: df-bi 110 df-3an 887 df-tru 1246 df-fal 1249 df-nf 1350 df-sb 1646 df-eu 1903 df-mo 1904 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ral 2311 df-rex 2312 df-rab 2315 df-v 2559 df-dif 2920 df-un 2922 df-in 2924 df-ss 2931 df-pw 3361 df-sn 3381 df-pr 3382 df-op 3384 df-br 3765 df-opab 3819 df-xp 4351 df-cnv 4353 df-dm 4355 df-rn 4356 df-res 4357 df-ima 4358 |
| This theorem is referenced by: imadif 4979 |
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