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Mirrors > Home > ILE Home > Th. List > tposf12 | Unicode version |
Description: Condition for an injective transposition. (Contributed by NM, 10-Sep-2015.) |
Ref | Expression |
---|---|
tposf12 | tpos |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 109 | . . . 4 | |
2 | relcnv 4982 | . . . . . . 7 | |
3 | cnvf1o 6193 | . . . . . . 7 | |
4 | f1of1 5431 | . . . . . . 7 | |
5 | 2, 3, 4 | mp2b 8 | . . . . . 6 |
6 | simpl 108 | . . . . . . . 8 | |
7 | dfrel2 5054 | . . . . . . . 8 | |
8 | 6, 7 | sylib 121 | . . . . . . 7 |
9 | f1eq3 5390 | . . . . . . 7 | |
10 | 8, 9 | syl 14 | . . . . . 6 |
11 | 5, 10 | mpbii 147 | . . . . 5 |
12 | f1dm 5398 | . . . . . . . 8 | |
13 | 1, 12 | syl 14 | . . . . . . 7 |
14 | 13 | cnveqd 4780 | . . . . . 6 |
15 | mpteq1 4066 | . . . . . 6 | |
16 | f1eq1 5388 | . . . . . 6 | |
17 | 14, 15, 16 | 3syl 17 | . . . . 5 |
18 | 11, 17 | mpbird 166 | . . . 4 |
19 | f1co 5405 | . . . 4 | |
20 | 1, 18, 19 | syl2anc 409 | . . 3 |
21 | 12 | releqd 4688 | . . . . 5 |
22 | 21 | biimparc 297 | . . . 4 |
23 | dftpos2 6229 | . . . 4 tpos | |
24 | f1eq1 5388 | . . . 4 tpos tpos | |
25 | 22, 23, 24 | 3syl 17 | . . 3 tpos |
26 | 20, 25 | mpbird 166 | . 2 tpos |
27 | 26 | ex 114 | 1 tpos |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wceq 1343 csn 3576 cuni 3789 cmpt 4043 ccnv 4603 cdm 4604 ccom 4608 wrel 4609 wf1 5185 wf1o 5187 tpos ctpos 6212 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-nul 4108 ax-pow 4153 ax-pr 4187 ax-un 4411 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ne 2337 df-ral 2449 df-rex 2450 df-rab 2453 df-v 2728 df-sbc 2952 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-nul 3410 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-br 3983 df-opab 4044 df-mpt 4045 df-id 4271 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-rn 4615 df-res 4616 df-ima 4617 df-iota 5153 df-fun 5190 df-fn 5191 df-f 5192 df-f1 5193 df-fo 5194 df-f1o 5195 df-fv 5196 df-1st 6108 df-2nd 6109 df-tpos 6213 |
This theorem is referenced by: tposf1o2 6238 |
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