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| Mirrors > Home > MPE Home > Th. List > brxp | Structured version Visualization version GIF version | ||
| Description: Binary relation on a Cartesian product. (Contributed by NM, 22-Apr-2004.) |
| Ref | Expression |
|---|---|
| brxp | ⊢ (𝐴(𝐶 × 𝐷)𝐵 ↔ (𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐷)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-br 5100 | . 2 ⊢ (𝐴(𝐶 × 𝐷)𝐵 ↔ 〈𝐴, 𝐵〉 ∈ (𝐶 × 𝐷)) | |
| 2 | opelxp 5681 | . 2 ⊢ (〈𝐴, 𝐵〉 ∈ (𝐶 × 𝐷) ↔ (𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐷)) | |
| 3 | 1, 2 | bitri 277 | 1 ⊢ (𝐴(𝐶 × 𝐷)𝐵 ↔ (𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐷)) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 208 ∧ wa 399 ∈ wcel 2141 〈cop 4587 class class class wbr 5099 × cxp 5643 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-ext 2733 ax-sep 5245 ax-pr 5389 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-sb 2090 df-clab 2740 df-cleq 2753 df-clel 2836 df-ral 3076 df-rex 3086 df-rab 3414 df-v 3455 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4480 df-sn 4582 df-pr 4584 df-op 4588 df-br 5100 df-opab 5162 df-xp 5651 |
| This theorem is referenced by: brrelex12 5697 brel 5710 brinxp2 5723 eqbrrdva 5839 ssrelrn 5868 dmxp 5903 xpidtr 6106 xpco 6272 dfpo2 6279 predtrss 6305 isocnv3 7312 tpostpos 8221 brinxper 8703 swoer 8705 erinxp 8768 ecopover 8798 infxpenlem 9966 fpwwe2lem5 10590 fpwwe2lem6 10591 fpwwe2lem8 10593 fpwwe2lem11 10596 fpwwe2lem12 10597 fpwwe2 10598 ltxrlt 11250 ltxr 13114 xpcogend 14984 invfuc 17993 elhoma 18048 efglem 19739 gsumcom3fi 20002 gsumdixp 20346 znleval 21586 gsumbagdiag 21964 psrass1lem 21965 opsrtoslem2 22089 lenlts 27793 zsoring 28479 brelg 32759 posrasymb 33106 trleile 33110 ecxpid 33508 qusxpid 33510 metider 34152 satefvfmla1 35739 mclsppslem 35897 xpab 36040 dfon3 36204 brbigcup 36210 brsingle 36229 brimage 36238 brcart 36244 brapply 36250 brcup 36251 brcap 36252 funpartlem 36256 dfrdg4 36265 brub 36268 bj-xpcossxp 37645 itg2gt0cn 38138 grucollcld 44800 grumnud 44826 coxp 49418 xpco2 49442 |
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