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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 5106 | . 2 ⊢ (𝐴(𝐶 × 𝐷)𝐵 ↔ 〈𝐴, 𝐵〉 ∈ (𝐶 × 𝐷)) | |
| 2 | opelxp 5688 | . 2 ⊢ (〈𝐴, 𝐵〉 ∈ (𝐶 × 𝐷) ↔ (𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐷)) | |
| 3 | 1, 2 | bitri 278 | 1 ⊢ (𝐴(𝐶 × 𝐷)𝐵 ↔ (𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐷)) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 209 ∧ wa 400 ∈ wcel 2145 〈cop 4591 class class class wbr 5105 × cxp 5650 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-ext 2737 ax-sep 5251 ax-pr 5395 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-clel 2840 df-ral 3080 df-rex 3090 df-rab 3418 df-v 3459 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-nul 4289 df-if 4484 df-sn 4586 df-pr 4588 df-op 4592 df-br 5106 df-opab 5168 df-xp 5658 |
| This theorem is referenced by: brrelex12 5704 brel 5717 brinxp2 5730 eqbrrdva 5846 ssrelrn 5875 dmxp 5910 xpidtr 6113 xpco 6280 dfpo2 6287 predtrss 6313 isocnv3 7320 tpostpos 8230 brinxper 8712 swoer 8714 erinxp 8777 ecopover 8807 infxpenlem 9985 fpwwe2lem5 10608 fpwwe2lem6 10609 fpwwe2lem8 10611 fpwwe2lem11 10614 fpwwe2lem12 10615 fpwwe2 10616 ltxrlt 11268 ltxr 13131 xpcogend 15001 invfuc 18024 elhoma 18079 ecxpid 19233 qusxpid 19242 efglem 19777 gsumcom3fi 20040 gsumdixp 20391 znleval 21664 gsumbagdiag 22042 psrass1lem 22043 opsrtoslem2 22167 lenlts 27874 zsoring 28560 brelg 32864 posrasymb 33200 trleile 33204 metider 34201 satefvfmla1 35788 mclsppslem 35946 xpab 36089 dfon3 36253 brbigcup 36259 brsingle 36278 brimage 36287 brcart 36293 brapply 36299 brcup 36300 brcap 36301 funpartlem 36305 dfrdg4 36314 brub 36317 bj-xpcossxp 37693 itg2gt0cn 38186 grucollcld 44834 grumnud 44860 coxp 49462 xpco2 49486 |
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