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Mirrors > Home > ILE Home > Th. List > cnvsom | Unicode version |
Description: The converse of a strict order relation is a strict order relation. (Contributed by Jim Kingdon, 19-Dec-2018.) |
Ref | Expression |
---|---|
cnvsom |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnvpom 5125 | . . 3 | |
2 | vex 2715 | . . . . . . . . 9 | |
3 | vex 2715 | . . . . . . . . 9 | |
4 | 2, 3 | brcnv 4766 | . . . . . . . 8 |
5 | vex 2715 | . . . . . . . . . . 11 | |
6 | 2, 5 | brcnv 4766 | . . . . . . . . . 10 |
7 | 5, 3 | brcnv 4766 | . . . . . . . . . 10 |
8 | 6, 7 | orbi12i 754 | . . . . . . . . 9 |
9 | orcom 718 | . . . . . . . . 9 | |
10 | 8, 9 | bitri 183 | . . . . . . . 8 |
11 | 4, 10 | imbi12i 238 | . . . . . . 7 |
12 | 11 | ralbii 2463 | . . . . . 6 |
13 | 12 | 2ralbii 2465 | . . . . 5 |
14 | ralcom 2620 | . . . . 5 | |
15 | 13, 14 | bitr3i 185 | . . . 4 |
16 | 15 | a1i 9 | . . 3 |
17 | 1, 16 | anbi12d 465 | . 2 |
18 | df-iso 4256 | . 2 | |
19 | df-iso 4256 | . 2 | |
20 | 17, 18, 19 | 3bitr4g 222 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wo 698 wex 1472 wcel 2128 wral 2435 class class class wbr 3965 wpo 4253 wor 4254 ccnv 4582 |
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 1427 ax-7 1428 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-10 1485 ax-11 1486 ax-i12 1487 ax-bndl 1489 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-14 2131 ax-ext 2139 ax-sep 4082 ax-pow 4134 ax-pr 4168 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1338 df-nf 1441 df-sb 1743 df-eu 2009 df-mo 2010 df-clab 2144 df-cleq 2150 df-clel 2153 df-nfc 2288 df-ral 2440 df-v 2714 df-un 3106 df-in 3108 df-ss 3115 df-pw 3545 df-sn 3566 df-pr 3567 df-op 3569 df-br 3966 df-opab 4026 df-po 4255 df-iso 4256 df-cnv 4591 |
This theorem is referenced by: gtso 7939 |
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