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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 6142 and dfrel3 6151. (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 5625 | . 2 wff Rel 𝐴 |
| 3 | cvv 3427 | . . . 4 class V | |
| 4 | 3, 3 | cxp 5618 | . . 3 class (V × V) |
| 5 | 1, 4 | wss 3885 | . 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 5638 pwvrel 5670 brrelex12 5672 0nelrel0 5680 releq 5722 nfrel 5725 sbcrel 5726 relss 5727 ssrel 5728 elrel 5743 rel0 5744 nrelv 5745 relsng 5746 relun 5756 reliun 5761 reliin 5762 relopabiv 5765 relopabi 5767 relopabiALT 5768 exopxfr2 5788 relop 5794 eqbrrdva 5813 elreldm 5879 cnvcnv 6145 relrelss 6226 cnviin 6239 dff3 7041 oprabss 7464 relmptopab 7606 1st2nd 7981 1stdm 7982 releldm2 7985 relmpoopab 8033 reldmtpos 8173 dmtpos 8177 dftpos4 8184 tpostpos 8185 iiner 8725 fundmen 8967 nqerf 10842 uzrdgfni 13909 hashfun 14388 reltrclfv 14968 homarel 17992 relxpchom 18136 nfchnd 18566 ustrel 24165 utop2nei 24203 utop3cls 24204 metustrel 24505 pi1xfrcnv 25012 reldv 25825 dvbsss 25857 ssrelf 32676 1stpreimas 32767 fpwrelmap 32794 gsumhashmul 33116 metideq 34025 metider 34026 pstmfval 34028 esum2d 34225 txprel 36047 relsset 36056 elfuns 36083 fnsingle 36087 funimage 36096 bj-opelrelex 37446 bj-elid5 37471 mblfinlem1 37966 rngosn3 38233 xrnrel 38691 elrelsrel 38751 dihvalrel 41713 cnvcnvintabd 44015 cnvintabd 44018 clcnvlem 44038 rfovcnvf1od 44419 relopabVD 45315 sprsymrelfo 47945 dmtposss 49339 oppff1 49611 fuco2eld2 49777 fuco22a 49813 |
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