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| Mirrors > Home > MPE Home > Th. List > relcnv | Structured version Visualization version GIF version | ||
| Description: A converse is a relation. Theorem 12 of [Suppes] p. 62. (Contributed by NM, 29-Oct-1996.) |
| Ref | Expression |
|---|---|
| relcnv | ⊢ Rel ◡𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-cnv 5655 | . 2 ⊢ ◡𝐴 = {〈𝑥, 𝑦〉 ∣ 𝑦𝐴𝑥} | |
| 2 | 1 | relopabiv 5794 | 1 ⊢ Rel ◡𝐴 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: class class class wbr 5102 ◡ccnv 5646 Rel wrel 5652 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-v 3452 df-ss 3915 df-opab 5167 df-xp 5653 df-rel 5654 df-cnv 5655 |
| This theorem is used by: relbrcnvg 6095 eliniseg2 6096 cnvsym 6102 intasym 6103 asymref 6104 cnvopab 6125 cnvdif 6128 cnvxp 6142 dfrel2 6176 cnvcnv 6179 cnvsn0 6200 cnvcnvsn 6209 resdm2 6221 coi2 6254 coires1 6255 cnvssrndm 6262 unidmrn 6271 cnviin 6278 predep 6322 funi 6560 funcnvsn 6578 funcnv2 6596 fcnvres 6747 f1cnvcnv 6777 funcnvmpt 6983 f1ompt 7099 fliftcnv 7307 cnvexg 7919 cnvf1o 8105 fsplit 8111 reldmtpos 8229 dmtpos 8233 rntpos 8234 dftpos3 8239 dftpos4 8240 tpostpos 8241 tposf12 8246 ercnv 8717 cnvct 9040 omxpenlem 9075 domss2 9133 cnvfi 9169 cnvfiALT 9306 trclublem 15115 relexpaddg 15173 fsumcnv 15906 fsumcom2 15907 fprodcnv 16117 fprodcom2 16118 invsym2 17899 oppcsect2 17915 cnvps 18713 tsrdir 18739 mvdco 19620 gsumcom2 20150 fcnvgreu 33199 dfcnv2 33202 gsummpt2co 33542 gsumhashmul 33561 cnvco1 36445 cnvco2 36446 colinrel 36744 trer 37026 releleccnv 39112 elec1cnvres 39127 eleccnvep 39139 brcnvrabga 39194 cnvresrn 39200 ineccnvmo 39209 elec1cnvxrn2 39272 dfsucmap3 39315 cnvelrels 39428 dfdisjALTV 39650 dfeldisj5 39665 dfantisymrel4 39716 dfantisymrel5 39717 cnvnonrel 44532 cnvcnvintabd 44544 cnvintabd 44547 cnvssco 44550 clrellem 44566 clcnvlem 44567 cnviun 44594 trrelsuperrel2dg 44615 dffrege115 44922 dmtposss 49906 tposrescnv 49909 tposres3 49911 tposideq 49918 |
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