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Mirrors > Home > ILE Home > Th. List > reldmtpos | Unicode version |
Description: Necessary and sufficient condition for tpos to be a relation. (Contributed by Mario Carneiro, 10-Sep-2015.) |
Ref | Expression |
---|---|
reldmtpos | tpos |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0ex 4055 | . . . . 5 | |
2 | 1 | eldm 4736 | . . . 4 |
3 | vex 2689 | . . . . . . 7 | |
4 | brtpos0 6149 | . . . . . . 7 tpos | |
5 | 3, 4 | ax-mp 5 | . . . . . 6 tpos |
6 | 0nelxp 4567 | . . . . . . . 8 | |
7 | df-rel 4546 | . . . . . . . . 9 tpos tpos | |
8 | ssel 3091 | . . . . . . . . 9 tpos tpos | |
9 | 7, 8 | sylbi 120 | . . . . . . . 8 tpos tpos |
10 | 6, 9 | mtoi 653 | . . . . . . 7 tpos tpos |
11 | 1, 3 | breldm 4743 | . . . . . . 7 tpos tpos |
12 | 10, 11 | nsyl3 615 | . . . . . 6 tpos tpos |
13 | 5, 12 | sylbir 134 | . . . . 5 tpos |
14 | 13 | exlimiv 1577 | . . . 4 tpos |
15 | 2, 14 | sylbi 120 | . . 3 tpos |
16 | 15 | con2i 616 | . 2 tpos |
17 | vex 2689 | . . . . . 6 | |
18 | 17 | eldm 4736 | . . . . 5 tpos tpos |
19 | relcnv 4917 | . . . . . . . . . . 11 | |
20 | df-rel 4546 | . . . . . . . . . . 11 | |
21 | 19, 20 | mpbi 144 | . . . . . . . . . 10 |
22 | 21 | sseli 3093 | . . . . . . . . 9 |
23 | 22 | a1i 9 | . . . . . . . 8 tpos |
24 | elsni 3545 | . . . . . . . . . . . 12 | |
25 | 24 | breq1d 3939 | . . . . . . . . . . 11 tpos tpos |
26 | 1, 3 | breldm 4743 | . . . . . . . . . . . . 13 |
27 | 26 | pm2.24d 611 | . . . . . . . . . . . 12 |
28 | 5, 27 | sylbi 120 | . . . . . . . . . . 11 tpos |
29 | 25, 28 | syl6bi 162 | . . . . . . . . . 10 tpos |
30 | 29 | com3l 81 | . . . . . . . . 9 tpos |
31 | 30 | impcom 124 | . . . . . . . 8 tpos |
32 | brtpos2 6148 | . . . . . . . . . . . 12 tpos | |
33 | 3, 32 | ax-mp 5 | . . . . . . . . . . 11 tpos |
34 | 33 | simplbi 272 | . . . . . . . . . 10 tpos |
35 | elun 3217 | . . . . . . . . . 10 | |
36 | 34, 35 | sylib 121 | . . . . . . . . 9 tpos |
37 | 36 | adantl 275 | . . . . . . . 8 tpos |
38 | 23, 31, 37 | mpjaod 707 | . . . . . . 7 tpos |
39 | 38 | ex 114 | . . . . . 6 tpos |
40 | 39 | exlimdv 1791 | . . . . 5 tpos |
41 | 18, 40 | syl5bi 151 | . . . 4 tpos |
42 | 41 | ssrdv 3103 | . . 3 tpos |
43 | 42, 7 | sylibr 133 | . 2 tpos |
44 | 16, 43 | impbii 125 | 1 tpos |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 103 wb 104 wo 697 wex 1468 wcel 1480 cvv 2686 cun 3069 wss 3071 c0 3363 csn 3527 cuni 3736 class class class wbr 3929 cxp 4537 ccnv 4538 cdm 4539 wrel 4544 tpos ctpos 6141 |
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 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-nul 4054 ax-pow 4098 ax-pr 4131 ax-un 4355 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ne 2309 df-ral 2421 df-rex 2422 df-rab 2425 df-v 2688 df-sbc 2910 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-nul 3364 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-br 3930 df-opab 3990 df-mpt 3991 df-id 4215 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-rn 4550 df-res 4551 df-ima 4552 df-iota 5088 df-fun 5125 df-fn 5126 df-fv 5131 df-tpos 6142 |
This theorem is referenced by: dmtpos 6153 |
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