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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 5583 and dfrel3 5592. (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 5119 | . 2 wff Rel 𝐴 |
3 | cvv 3200 | . . . 4 class V | |
4 | 3, 3 | cxp 5112 | . . 3 class (V × V) |
5 | 1, 4 | wss 3574 | . 2 wff 𝐴 ⊆ (V × V) |
6 | 2, 5 | wb 196 | 1 wff (Rel 𝐴 ↔ 𝐴 ⊆ (V × V)) |
Colors of variables: wff setvar class |
This definition is referenced by: brrelex12 5155 0nelrel 5162 releq 5201 nfrel 5204 sbcrel 5205 relss 5206 ssrel 5207 ssrelOLD 5208 elrel 5222 relsn 5223 relxp 5227 relun 5235 reliun 5239 reliin 5240 rel0 5243 nrelv 5244 relopabi 5245 relopabiALT 5246 exopxfr2 5266 relop 5272 eqbrrdva 5291 elreldm 5350 issref 5509 cnvcnv 5586 cnvcnvOLD 5587 relrelss 5659 cnviin 5672 nfunv 5921 dff3 6372 oprabss 6746 relmptopab 6883 1st2nd 7214 1stdm 7215 releldm2 7218 relmpt2opab 7259 reldmtpos 7360 dmtpos 7364 dftpos4 7371 tpostpos 7372 iiner 7819 fundmen 8030 nqerf 9752 uzrdgfni 12757 hashfun 13224 reltrclfv 13758 homarel 16686 relxpchom 16821 ustrel 22015 utop2nei 22054 utop3cls 22055 metustrel 22357 pi1xfrcnv 22857 reldv 23634 dvbsss 23666 vcex 27433 ssrelf 29425 1stpreimas 29483 fpwrelmap 29508 metideq 29936 metider 29937 pstmfval 29939 esum2d 30155 txprel 31986 relsset 31995 elfuns 32022 fnsingle 32026 funimage 32035 bj-elid 33085 mblfinlem1 33446 rngosn3 33723 xrnrel 34136 dihvalrel 36568 relintabex 37887 cnvcnvintabd 37906 cnvintabd 37909 clcnvlem 37930 rfovcnvf1od 38298 relopabVD 39137 sprsymrelfo 41747 |
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