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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 5668 | . 2 ⊢ ◡𝐴 = {〈𝑥, 𝑦〉 ∣ 𝑦𝐴𝑥} | |
| 2 | 1 | relopabiv 5806 | 1 ⊢ Rel ◡𝐴 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: class class class wbr 5108 ◡ccnv 5659 Rel wrel 5665 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-ext 2734 |
| This proof depends on definitions: df-bi 210 df-an 401 df-tru 1572 df-ex 1809 df-sb 2096 df-clab 2741 df-cleq 2754 df-clel 2837 df-v 3456 df-ss 3921 df-opab 5173 df-xp 5666 df-rel 5667 df-cnv 5668 |
| This theorem is used by: relbrcnvg 6106 eliniseg2 6107 cnvsym 6113 intasym 6114 asymref 6115 cnvopab 6136 cnvdif 6139 dfrel2 6186 cnvcnv 6189 cnvsn0 6210 cnvcnvsn 6219 resdm2 6231 coi2 6264 coires1 6265 cnvssrndm 6272 unidmrn 6280 cnviin 6287 predep 6331 funi 6568 funcnvsn 6586 funcnv2 6604 fcnvres 6755 f1cnvcnv 6785 funcnvmpt 6991 f1ompt 7106 fliftcnv 7309 cnvexg 7919 cnvf1o 8104 fsplit 8110 reldmtpos 8228 dmtpos 8232 rntpos 8233 dftpos3 8238 dftpos4 8239 tpostpos 8240 tposf12 8245 ercnv 8714 cnvct 9029 omxpenlem 9064 domss2 9122 cnvfi 9158 cnvfiALT 9294 trclublem 15039 relexpaddg 15097 fsumcnv 15831 fsumcom2 15832 fprodcnv 16044 fprodcom2 16045 invsym2 17826 oppcsect2 17842 cnvps 18640 tsrdir 18666 mvdco 19521 gsumcom2 20051 fcnvgreu 33028 dfcnv2 33031 gsummpt2co 33377 gsumhashmul 33396 cnvco1 36259 cnvco2 36260 colinrel 36557 trer 36855 releleccnv 38937 elec1cnvres 38952 eleccnvep 38964 brcnvrabga 39019 cnvresrn 39025 ineccnvmo 39034 elec1cnvxrn2 39097 dfsucmap3 39140 cnvelrels 39253 dfdisjALTV 39475 dfeldisj5 39490 dfantisymrel4 39541 dfantisymrel5 39542 cnvnonrel 44342 cnvcnvintabd 44354 cnvintabd 44357 cnvssco 44360 clrellem 44376 clcnvlem 44377 cnviun 44404 trrelsuperrel2dg 44425 dffrege115 44732 dmtposss 49682 tposrescnv 49685 tposres3 49687 tposideq 49694 |
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