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| Mirrors > Home > MPE Home > Th. List > df-rel | Structured version Visualization version GIF version | ||
| Description: Define the relation predicate. Definition 6.4(1) of [TakeutiZaring] p. 23. For alternate definitions, see dfrel2 6136 and dfrel3 6145. (Contributed by NM, 1-Aug-1994.) |
| Ref | Expression |
|---|---|
| df-rel | ⊢ (Rel 𝐴 ↔ 𝐴 ⊆ (V × V)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cA | . . 3 class 𝐴 | |
| 2 | 1 | wrel 5619 | . 2 wff Rel 𝐴 |
| 3 | cvv 3436 | . . . 4 class V | |
| 4 | 3, 3 | cxp 5612 | . . 3 class (V × V) |
| 5 | 1, 4 | wss 3897 | . 2 wff 𝐴 ⊆ (V × V) |
| 6 | 2, 5 | wb 206 | 1 wff (Rel 𝐴 ↔ 𝐴 ⊆ (V × V)) |
| Colors of variables: wff setvar class |
| This definition is referenced by: relxp 5632 pwvrel 5664 brrelex12 5666 0nelrel0 5674 releq 5716 nfrel 5719 sbcrel 5720 relss 5721 ssrel 5722 elrel 5737 rel0 5738 nrelv 5739 relsng 5740 relun 5750 reliun 5755 reliin 5756 relopabiv 5759 relopabi 5761 relopabiALT 5762 exopxfr2 5783 relop 5789 eqbrrdva 5808 elreldm 5874 cnvcnv 6139 relrelss 6220 cnviin 6233 dff3 7033 oprabss 7454 relmptopab 7596 1st2nd 7971 1stdm 7972 releldm2 7975 relmpoopab 8024 reldmtpos 8164 dmtpos 8168 dftpos4 8175 tpostpos 8176 iiner 8713 fundmen 8953 nqerf 10821 uzrdgfni 13865 hashfun 14344 reltrclfv 14924 homarel 17943 relxpchom 18087 nfchnd 18517 ustrel 24127 utop2nei 24165 utop3cls 24166 metustrel 24467 pi1xfrcnv 24984 reldv 25798 dvbsss 25830 ssrelf 32598 1stpreimas 32687 fpwrelmap 32716 gsumhashmul 33041 metideq 33906 metider 33907 pstmfval 33909 esum2d 34106 txprel 35921 relsset 35930 elfuns 35957 fnsingle 35961 funimage 35970 bj-opelrelex 37188 bj-elid5 37213 mblfinlem1 37696 rngosn3 37963 xrnrel 38405 elrelsrel 38465 dihvalrel 41377 cnvcnvintabd 43692 cnvintabd 43695 clcnvlem 43715 rfovcnvf1od 44096 relopabVD 44992 sprsymrelfo 47596 dmtposss 48975 oppff1 49248 fuco2eld2 49414 fuco22a 49450 |
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