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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 6143 and dfrel3 6152. (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 3433 | . . . 4 class V | |
| 4 | 3, 3 | cxp 5618 | . . 3 class (V × V) |
| 5 | 1, 4 | wss 3884 | . 2 wff 𝐴 ⊆ (V × V) |
| 6 | 2, 5 | wb 208 | 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 5883 cnvcnv 6146 relrelss 6227 cnviin 6240 dff3 7044 oprabss 7467 relmptopab 7609 1st2nd 7983 1stdm 7984 releldm2 7987 relmpoopab 8035 reldmtpos 8176 dmtpos 8180 dftpos4 8187 tpostpos 8188 iiner 8730 fundmen 8972 nqerf 10849 uzrdgfni 13915 hashfun 14394 reltrclfv 14974 homarel 17998 relxpchom 18142 nfchnd 18572 ustrel 24198 utop2nei 24236 utop3cls 24237 metustrel 24538 pi1xfrcnv 25045 reldv 25858 dvbsss 25890 ssrelf 32709 1stpreimas 32800 fpwrelmap 32827 gsumhashmul 33150 metideq 34087 metider 34088 pstmfval 34090 esum2d 34287 txprel 36118 relsset 36127 elfuns 36154 fnsingle 36158 funimage 36167 bj-opelrelex 37517 bj-elid5 37542 mblfinlem1 38037 rngosn3 38304 xrnrel 38762 elrelsrel 38822 dihvalrel 41784 cnvcnvintabd 44057 cnvintabd 44060 clcnvlem 44080 rfovcnvf1od 44461 relopabVD 45357 sprsymrelfo 47984 dmtposss 49378 oppff1 49650 fuco2eld2 49816 fuco22a 49852 |
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