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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 5636 | . 2 ⊢ ◡𝐴 = {〈𝑥, 𝑦〉 ∣ 𝑦𝐴𝑥} | |
| 2 | 1 | relopabiv 5773 | 1 ⊢ Rel ◡𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: class class class wbr 5086 ◡ccnv 5627 Rel wrel 5633 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-v 3432 df-ss 3907 df-opab 5149 df-xp 5634 df-rel 5635 df-cnv 5636 |
| This theorem is referenced by: relbrcnvg 6068 eliniseg2 6069 cnvsym 6075 intasym 6076 asymref 6077 cnvopab 6098 cnvopabOLD 6099 cnvdif 6105 dfrel2 6151 cnvcnv 6154 cnvsn0 6172 cnvcnvsn 6181 resdm2 6193 coi2 6226 coires1 6227 cnvssrndm 6233 unidmrn 6241 cnviin 6248 predep 6292 funi 6528 funcnvsn 6546 funcnv2 6564 fcnvres 6715 f1cnvcnv 6743 funcnvmpt 6947 f1ompt 7061 fliftcnv 7263 cnvexg 7872 cnvf1o 8058 fsplit 8064 reldmtpos 8181 dmtpos 8185 rntpos 8186 dftpos3 8191 dftpos4 8192 tpostpos 8193 tposf12 8198 ercnv 8662 cnvct 8978 omxpenlem 9013 domss2 9071 cnvfi 9107 cnvfiALT 9246 trclublem 14954 relexpaddg 15012 fsumcnv 15732 fsumcom2 15733 fprodcnv 15945 fprodcom2 15946 invsym2 17727 oppcsect2 17743 cnvps 18541 tsrdir 18567 mvdco 19417 gsumcom2 19947 fcnvgreu 32766 dfcnv2 32769 gsummpt2co 33130 gsumhashmul 33149 cnvco1 35963 cnvco2 35964 colinrel 36261 trer 36520 releleccnv 38603 elec1cnvres 38618 eleccnvep 38630 brcnvrabga 38685 cnvresrn 38691 ineccnvmo 38700 elec1cnvxrn2 38763 dfsucmap3 38806 cnvelrels 38919 dfdisjALTV 39141 dfeldisj5 39156 dfantisymrel4 39207 dfantisymrel5 39208 cnvnonrel 44041 cnvcnvintabd 44053 cnvintabd 44056 cnvssco 44059 clrellem 44075 clcnvlem 44076 cnviun 44103 trrelsuperrel2dg 44124 dffrege115 44431 dmtposss 49371 tposrescnv 49374 tposres3 49376 tposideq 49383 |
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