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Mirrors > Home > MPE Home > Th. List > cnvexg | Structured version Visualization version Unicode version |
Description: The converse of a set is a set. Corollary 6.8(1) of [TakeutiZaring] p. 26. (Contributed by NM, 17-Mar-1998.) |
Ref | Expression |
---|---|
cnvexg |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | relcnv 5503 | . . 3 | |
2 | relssdmrn 5656 | . . 3 | |
3 | 1, 2 | ax-mp 5 | . 2 |
4 | df-rn 5125 | . . . 4 | |
5 | rnexg 7098 | . . . 4 | |
6 | 4, 5 | syl5eqelr 2706 | . . 3 |
7 | dfdm4 5316 | . . . 4 | |
8 | dmexg 7097 | . . . 4 | |
9 | 7, 8 | syl5eqelr 2706 | . . 3 |
10 | xpexg 6960 | . . 3 | |
11 | 6, 9, 10 | syl2anc 693 | . 2 |
12 | ssexg 4804 | . 2 | |
13 | 3, 11, 12 | sylancr 695 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wcel 1990 cvv 3200 wss 3574 cxp 5112 ccnv 5113 cdm 5114 crn 5115 wrel 5119 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-xp 5120 df-rel 5121 df-cnv 5122 df-dm 5124 df-rn 5125 |
This theorem is referenced by: cnvex 7113 relcnvexb 7114 cofunex2g 7131 tposexg 7366 cnven 8032 cnvct 8033 fopwdom 8068 domssex2 8120 domssex 8121 cnvfi 8248 mapfienlem2 8311 wemapwe 8594 hasheqf1oi 13140 hasheqf1oiOLD 13141 brtrclfvcnv 13745 brcnvtrclfvcnv 13746 relexpcnv 13775 relexpnnrn 13785 relexpaddg 13793 imasle 16183 cnvps 17212 gsumvalx 17270 symginv 17822 tposmap 20263 metustel 22355 metustss 22356 metustfbas 22362 metuel2 22370 psmetutop 22372 restmetu 22375 itg2gt0 23527 nlfnval 28740 ffsrn 29504 eulerpartlemgs2 30442 orvcval 30519 coinfliprv 30544 lkrval 34375 pw2f1o2val 37606 lmhmlnmsplit 37657 cnvcnvintabd 37906 clrellem 37929 relexpaddss 38010 cnvtrclfv 38016 rntrclfvRP 38023 xpexb 38658 sge0f1o 40599 smfco 41009 |
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