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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 5107 | . 2 ⊢ (𝐴(𝐶 × 𝐷)𝐵 ↔ 〈𝐴, 𝐵〉 ∈ (𝐶 × 𝐷)) | |
| 2 | opelxp 5691 | . 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 |
| This proof depends on syntax axioms: ↔ wb 209 ∧ wa 401 ∈ wcel 2147 〈cop 4838 class class class wbr 5106 × cxp 5653 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 ax-sep 5252 ax-pr 5395 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4839 df-br 5107 df-opab 5171 df-xp 5661 |
| This theorem is used by: brrelex12 5707 brel 5720 brinxp2 5734 eqbrrdva 5854 ssrelrn 5883 dmxp 5918 xpidtr 6128 cnvxp 6159 xpco 6310 dfpo2 6317 predtrss 6343 isocnv3 7363 tpostpos 8291 brinxper 8775 swoer 8777 erinxp 8840 ecopover 8870 infxpenlem 10119 fpwwe2lem5 10747 fpwwe2lem6 10748 fpwwe2lem8 10750 fpwwe2lem11 10753 fpwwe2lem12 10754 fpwwe2 10755 ltxrlt 11407 ltxr 13271 xpcogend 15156 invfuc 18181 elhoma 18236 ecxpid 19415 qusxpid 19424 efglem 19960 gsumcom3fi 20223 gsumdixp 20578 znleval 21890 gsumbagdiag 22270 psrass1lem 22271 opsrtoslem2 22395 lenlts 28139 zsoring 28825 brelg 33273 posrasymb 33598 trleile 33602 metider 34596 satefvfmla1 36357 mclsppslem 36515 xpab 36669 dfon3 36832 brbigcup 36838 brsingle 36857 brimage 36866 brcart 36872 brapply 36878 brcup 36879 brcap 36880 funpartlem 36884 dfrdg4 36893 brub 36896 bj-xpcossxp 38302 itg2gt0cn 38785 grucollcld 45436 grumnud 45462 coxp 50149 xpco2 50173 |
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