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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 4116 | . . . . 5 | |
2 | 1 | eldm 4808 | . . . 4 |
3 | vex 2733 | . . . . . . 7 | |
4 | brtpos0 6231 | . . . . . . 7 tpos | |
5 | 3, 4 | ax-mp 5 | . . . . . 6 tpos |
6 | 0nelxp 4639 | . . . . . . . 8 | |
7 | df-rel 4618 | . . . . . . . . 9 tpos tpos | |
8 | ssel 3141 | . . . . . . . . 9 tpos tpos | |
9 | 7, 8 | sylbi 120 | . . . . . . . 8 tpos tpos |
10 | 6, 9 | mtoi 659 | . . . . . . 7 tpos tpos |
11 | 1, 3 | breldm 4815 | . . . . . . 7 tpos tpos |
12 | 10, 11 | nsyl3 621 | . . . . . 6 tpos tpos |
13 | 5, 12 | sylbir 134 | . . . . 5 tpos |
14 | 13 | exlimiv 1591 | . . . 4 tpos |
15 | 2, 14 | sylbi 120 | . . 3 tpos |
16 | 15 | con2i 622 | . 2 tpos |
17 | vex 2733 | . . . . . 6 | |
18 | 17 | eldm 4808 | . . . . 5 tpos tpos |
19 | relcnv 4989 | . . . . . . . . . . 11 | |
20 | df-rel 4618 | . . . . . . . . . . 11 | |
21 | 19, 20 | mpbi 144 | . . . . . . . . . 10 |
22 | 21 | sseli 3143 | . . . . . . . . 9 |
23 | 22 | a1i 9 | . . . . . . . 8 tpos |
24 | elsni 3601 | . . . . . . . . . . . 12 | |
25 | 24 | breq1d 3999 | . . . . . . . . . . 11 tpos tpos |
26 | 1, 3 | breldm 4815 | . . . . . . . . . . . . 13 |
27 | 26 | pm2.24d 617 | . . . . . . . . . . . 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 6230 | . . . . . . . . . . . 12 tpos | |
33 | 3, 32 | ax-mp 5 | . . . . . . . . . . 11 tpos |
34 | 33 | simplbi 272 | . . . . . . . . . 10 tpos |
35 | elun 3268 | . . . . . . . . . 10 | |
36 | 34, 35 | sylib 121 | . . . . . . . . 9 tpos |
37 | 36 | adantl 275 | . . . . . . . 8 tpos |
38 | 23, 31, 37 | mpjaod 713 | . . . . . . 7 tpos |
39 | 38 | ex 114 | . . . . . 6 tpos |
40 | 39 | exlimdv 1812 | . . . . 5 tpos |
41 | 18, 40 | syl5bi 151 | . . . 4 tpos |
42 | 41 | ssrdv 3153 | . . 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 703 wex 1485 wcel 2141 cvv 2730 cun 3119 wss 3121 c0 3414 csn 3583 cuni 3796 class class class wbr 3989 cxp 4609 ccnv 4610 cdm 4611 wrel 4616 tpos ctpos 6223 |
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 609 ax-in2 610 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-13 2143 ax-14 2144 ax-ext 2152 ax-sep 4107 ax-nul 4115 ax-pow 4160 ax-pr 4194 ax-un 4418 |
This theorem depends on definitions: df-bi 116 df-3an 975 df-tru 1351 df-fal 1354 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ne 2341 df-ral 2453 df-rex 2454 df-rab 2457 df-v 2732 df-sbc 2956 df-dif 3123 df-un 3125 df-in 3127 df-ss 3134 df-nul 3415 df-pw 3568 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-br 3990 df-opab 4051 df-mpt 4052 df-id 4278 df-xp 4617 df-rel 4618 df-cnv 4619 df-co 4620 df-dm 4621 df-rn 4622 df-res 4623 df-ima 4624 df-iota 5160 df-fun 5200 df-fn 5201 df-fv 5206 df-tpos 6224 |
This theorem is referenced by: dmtpos 6235 |
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