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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 5642 | . 2 ⊢ ◡𝐴 = {〈𝑥, 𝑦〉 ∣ 𝑦𝐴𝑥} | |
| 2 | 1 | relopabiv 5779 | 1 ⊢ Rel ◡𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: class class class wbr 5100 ◡ccnv 5633 Rel wrel 5639 |
| 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 3444 df-ss 3920 df-opab 5163 df-xp 5640 df-rel 5641 df-cnv 5642 |
| This theorem is referenced by: relbrcnvg 6074 eliniseg2 6075 cnvsym 6081 intasym 6082 asymref 6083 cnvopab 6104 cnvopabOLD 6105 cnvdif 6111 dfrel2 6157 cnvcnv 6160 cnvsn0 6178 cnvcnvsn 6187 resdm2 6199 coi2 6232 coires1 6233 cnvssrndm 6239 unidmrn 6247 cnviin 6254 predep 6298 funi 6534 funcnvsn 6552 funcnv2 6570 fcnvres 6721 f1cnvcnv 6749 funcnvmpt 6953 f1ompt 7067 fliftcnv 7269 cnvexg 7878 cnvf1o 8065 fsplit 8071 reldmtpos 8188 dmtpos 8192 rntpos 8193 dftpos3 8198 dftpos4 8199 tpostpos 8200 tposf12 8205 ercnv 8669 cnvct 8985 omxpenlem 9020 domss2 9078 cnvfi 9114 cnvfiALT 9253 trclublem 14932 relexpaddg 14990 fsumcnv 15710 fsumcom2 15711 fprodcnv 15920 fprodcom2 15921 invsym2 17701 oppcsect2 17717 cnvps 18515 tsrdir 18541 mvdco 19391 gsumcom2 19921 fcnvgreu 32768 dfcnv2 32771 gsummpt2co 33148 gsumhashmul 33167 cnvco1 35981 cnvco2 35982 colinrel 36279 trer 36538 releleccnv 38540 elec1cnvres 38555 eleccnvep 38567 brcnvrabga 38622 cnvresrn 38628 ineccnvmo 38637 elec1cnvxrn2 38700 dfsucmap3 38743 cnvelrels 38856 dfdisjALTV 39078 dfeldisj5 39093 dfantisymrel4 39144 dfantisymrel5 39145 cnvnonrel 43973 cnvcnvintabd 43985 cnvintabd 43988 cnvssco 43991 clrellem 44007 clcnvlem 44008 cnviun 44035 trrelsuperrel2dg 44056 dffrege115 44363 dmtposss 49264 tposrescnv 49267 tposres3 49269 tposideq 49276 |
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