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Mirrors > Home > ILE Home > Th. List > brxp | Unicode version |
Description: Binary relation on a cross product. (Contributed by NM, 22-Apr-2004.) |
Ref | Expression |
---|---|
brxp |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-br 3900 | . 2 | |
2 | opelxp 4539 | . 2 | |
3 | 1, 2 | bitri 183 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wb 104 wcel 1465 cop 3500 class class class wbr 3899 cxp 4507 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 683 ax-5 1408 ax-7 1409 ax-gen 1410 ax-ie1 1454 ax-ie2 1455 ax-8 1467 ax-10 1468 ax-11 1469 ax-i12 1470 ax-bndl 1471 ax-4 1472 ax-14 1477 ax-17 1491 ax-i9 1495 ax-ial 1499 ax-i5r 1500 ax-ext 2099 ax-sep 4016 ax-pow 4068 ax-pr 4101 |
This theorem depends on definitions: df-bi 116 df-3an 949 df-tru 1319 df-nf 1422 df-sb 1721 df-clab 2104 df-cleq 2110 df-clel 2113 df-nfc 2247 df-ral 2398 df-rex 2399 df-v 2662 df-un 3045 df-in 3047 df-ss 3054 df-pw 3482 df-sn 3503 df-pr 3504 df-op 3506 df-br 3900 df-opab 3960 df-xp 4515 |
This theorem is referenced by: brrelex12 4547 brel 4561 brinxp2 4576 eqbrrdva 4679 xpidtr 4899 xpcom 5055 tpostpos 6129 swoer 6425 erinxp 6471 ecopover 6495 ecopoverg 6498 ltxrlt 7798 ltxr 9530 |
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