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Mirrors > Home > ILE Home > Th. List > ftpg | Unicode version |
Description: A function with a domain of three elements. (Contributed by Alexander van der Vekens, 4-Dec-2017.) |
Ref | Expression |
---|---|
ftpg |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3simpa 935 | . . . 4 | |
2 | 3simpa 935 | . . . 4 | |
3 | simp1 938 | . . . 4 | |
4 | fprg 5367 | . . . 4 | |
5 | 1, 2, 3, 4 | syl3an 1211 | . . 3 |
6 | eqidd 2082 | . . . 4 | |
7 | simp3 940 | . . . . . . 7 | |
8 | simp3 940 | . . . . . . 7 | |
9 | 7, 8 | anim12i 331 | . . . . . 6 |
10 | 9 | 3adant3 958 | . . . . 5 |
11 | fsng 5357 | . . . . 5 | |
12 | 10, 11 | syl 14 | . . . 4 |
13 | 6, 12 | mpbird 165 | . . 3 |
14 | df-ne 2246 | . . . . . . 7 | |
15 | df-ne 2246 | . . . . . . 7 | |
16 | elpri 3421 | . . . . . . . . . 10 | |
17 | eqcom 2083 | . . . . . . . . . . 11 | |
18 | eqcom 2083 | . . . . . . . . . . 11 | |
19 | 17, 18 | orbi12i 713 | . . . . . . . . . 10 |
20 | 16, 19 | sylib 120 | . . . . . . . . 9 |
21 | oranim 840 | . . . . . . . . 9 | |
22 | 20, 21 | syl 14 | . . . . . . . 8 |
23 | 22 | con2i 589 | . . . . . . 7 |
24 | 14, 15, 23 | syl2anb 285 | . . . . . 6 |
25 | 24 | 3adant1 956 | . . . . 5 |
26 | 25 | 3ad2ant3 961 | . . . 4 |
27 | disjsn 3454 | . . . 4 | |
28 | 26, 27 | sylibr 132 | . . 3 |
29 | fun 5083 | . . 3 | |
30 | 5, 13, 28, 29 | syl21anc 1168 | . 2 |
31 | df-tp 3406 | . . . 4 | |
32 | 31 | feq1i 5059 | . . 3 |
33 | df-tp 3406 | . . . 4 | |
34 | df-tp 3406 | . . . 4 | |
35 | 33, 34 | feq23i 5061 | . . 3 |
36 | 32, 35 | bitri 182 | . 2 |
37 | 30, 36 | sylibr 132 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 102 wb 103 wo 661 w3a 919 wceq 1284 wcel 1433 wne 2245 cun 2971 cin 2972 c0 3251 csn 3398 cpr 3399 ctp 3400 cop 3401 wf 4918 |
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-ne 2246 df-ral 2353 df-rex 2354 df-reu 2355 df-v 2603 df-dif 2975 df-un 2977 df-in 2979 df-ss 2986 df-nul 3252 df-pw 3384 df-sn 3404 df-pr 3405 df-tp 3406 df-op 3407 df-br 3786 df-opab 3840 df-id 4048 df-xp 4369 df-rel 4370 df-cnv 4371 df-co 4372 df-dm 4373 df-rn 4374 df-fun 4924 df-fn 4925 df-f 4926 df-f1 4927 df-fo 4928 df-f1o 4929 |
This theorem is referenced by: ftp 5369 |
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