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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 5111 | . 2 ⊢ (𝐴(𝐶 × 𝐷)𝐵 ↔ 〈𝐴, 𝐵〉 ∈ (𝐶 × 𝐷)) | |
| 2 | opelxp 5699 | . 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 2143 〈cop 4596 class class class wbr 5110 × cxp 5661 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 ax-sep 5258 ax-pr 5406 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-sn 4591 df-pr 4593 df-op 4597 df-br 5111 df-opab 5175 df-xp 5669 |
| This theorem is referenced by: brrelex12 5715 brel 5728 brinxp2 5741 eqbrrdva 5857 ssrelrn 5886 dmxp 5921 xpidtr 6124 xpco 6292 dfpo2 6299 predtrss 6325 isocnv3 7332 tpostpos 8243 brinxper 8725 swoer 8727 erinxp 8790 ecopover 8820 infxpenlem 9998 fpwwe2lem5 10621 fpwwe2lem6 10622 fpwwe2lem8 10624 fpwwe2lem11 10627 fpwwe2lem12 10628 fpwwe2 10629 ltxrlt 11281 ltxr 13141 xpcogend 15013 invfuc 18035 elhoma 18090 ecxpid 19243 qusxpid 19252 efglem 19787 gsumcom3fi 20050 gsumdixp 20401 znleval 21685 gsumbagdiag 22063 psrass1lem 22064 opsrtoslem2 22188 lenlts 27894 zsoring 28580 brelg 32930 posrasymb 33265 trleile 33269 metider 34262 satefvfmla1 35895 mclsppslem 36053 xpab 36196 dfon3 36360 brbigcup 36366 brsingle 36385 brimage 36394 brcart 36400 brapply 36406 brcup 36407 brcap 36408 funpartlem 36412 dfrdg4 36421 brub 36424 bj-xpcossxp 37811 itg2gt0cn 38304 grucollcld 44950 grumnud 44976 coxp 49588 xpco2 49612 |
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