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Mirrors > Home > ILE Home > Th. List > imadiflem | Unicode version |
Description: One direction of imadif 4999. This direction does not require . (Contributed by Jim Kingdon, 25-Dec-2018.) |
Ref | Expression |
---|---|
imadiflem |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-rex 2354 | . . . 4 | |
2 | df-rex 2354 | . . . . 5 | |
3 | 2 | notbii 626 | . . . 4 |
4 | alnex 1428 | . . . . . . 7 | |
5 | 19.29r 1552 | . . . . . . 7 | |
6 | 4, 5 | sylan2br 282 | . . . . . 6 |
7 | simpl 107 | . . . . . . . . 9 | |
8 | simplr 496 | . . . . . . . . . 10 | |
9 | simpr 108 | . . . . . . . . . . 11 | |
10 | ancom 262 | . . . . . . . . . . . . 13 | |
11 | 10 | notbii 626 | . . . . . . . . . . . 12 |
12 | imnan 656 | . . . . . . . . . . . 12 | |
13 | 11, 12 | bitr4i 185 | . . . . . . . . . . 11 |
14 | 9, 13 | sylib 120 | . . . . . . . . . 10 |
15 | 8, 14 | mpd 13 | . . . . . . . . 9 |
16 | 7, 15, 8 | jca32 303 | . . . . . . . 8 |
17 | eldif 2982 | . . . . . . . . . 10 | |
18 | 17 | anbi1i 445 | . . . . . . . . 9 |
19 | anandir 555 | . . . . . . . . 9 | |
20 | 18, 19 | bitri 182 | . . . . . . . 8 |
21 | 16, 20 | sylibr 132 | . . . . . . 7 |
22 | 21 | eximi 1531 | . . . . . 6 |
23 | 6, 22 | syl 14 | . . . . 5 |
24 | df-rex 2354 | . . . . 5 | |
25 | 23, 24 | sylibr 132 | . . . 4 |
26 | 1, 3, 25 | syl2anb 285 | . . 3 |
27 | 26 | ss2abi 3066 | . 2 |
28 | dfima2 4690 | . . . 4 | |
29 | dfima2 4690 | . . . 4 | |
30 | 28, 29 | difeq12i 3088 | . . 3 |
31 | difab 3233 | . . 3 | |
32 | 30, 31 | eqtri 2101 | . 2 |
33 | dfima2 4690 | . 2 | |
34 | 27, 32, 33 | 3sstr4i 3038 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 102 wal 1282 wex 1421 wcel 1433 cab 2067 wrex 2349 cdif 2970 wss 2973 class class class wbr 3785 cima 4366 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-sep 3896 ax-pow 3948 ax-pr 3964 |
This theorem depends on definitions: df-bi 115 df-3an 921 df-tru 1287 df-fal 1290 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ral 2353 df-rex 2354 df-rab 2357 df-v 2603 df-dif 2975 df-un 2977 df-in 2979 df-ss 2986 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-br 3786 df-opab 3840 df-xp 4369 df-cnv 4371 df-dm 4373 df-rn 4374 df-res 4375 df-ima 4376 |
This theorem is referenced by: imadif 4999 |
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