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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 5076 | . . 3 | |
2 | vex 2684 | . . . . . . . . 9 | |
3 | vex 2684 | . . . . . . . . 9 | |
4 | 2, 3 | brcnv 4717 | . . . . . . . 8 |
5 | vex 2684 | . . . . . . . . . . 11 | |
6 | 2, 5 | brcnv 4717 | . . . . . . . . . 10 |
7 | 5, 3 | brcnv 4717 | . . . . . . . . . 10 |
8 | 6, 7 | orbi12i 753 | . . . . . . . . 9 |
9 | orcom 717 | . . . . . . . . 9 | |
10 | 8, 9 | bitri 183 | . . . . . . . 8 |
11 | 4, 10 | imbi12i 238 | . . . . . . 7 |
12 | 11 | ralbii 2439 | . . . . . 6 |
13 | 12 | 2ralbii 2441 | . . . . 5 |
14 | ralcom 2592 | . . . . 5 | |
15 | 13, 14 | bitr3i 185 | . . . 4 |
16 | 15 | a1i 9 | . . 3 |
17 | 1, 16 | anbi12d 464 | . 2 |
18 | df-iso 4214 | . 2 | |
19 | df-iso 4214 | . 2 | |
20 | 17, 18, 19 | 3bitr4g 222 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wo 697 wex 1468 wcel 1480 wral 2414 class class class wbr 3924 wpo 4211 wor 4212 ccnv 4533 |
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-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-sep 4041 ax-pow 4093 ax-pr 4126 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2000 df-mo 2001 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ral 2419 df-v 2683 df-un 3070 df-in 3072 df-ss 3079 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-br 3925 df-opab 3985 df-po 4213 df-iso 4214 df-cnv 4542 |
This theorem is referenced by: gtso 7836 |
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