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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 4584 | . 2 ⊢ (𝐴(𝐶 × 𝐷)𝐵 ↔ 〈𝐴, 𝐵〉 ∈ (𝐶 × 𝐷)) | |
2 | opelxp 5070 | . 2 ⊢ (〈𝐴, 𝐵〉 ∈ (𝐶 × 𝐷) ↔ (𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐷)) | |
3 | 1, 2 | bitri 263 | 1 ⊢ (𝐴(𝐶 × 𝐷)𝐵 ↔ (𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐷)) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 195 ∧ wa 383 ∈ wcel 1977 〈cop 4131 class class class wbr 4583 × cxp 5036 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pr 4833 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-br 4584 df-opab 4644 df-xp 5044 |
This theorem is referenced by: brrelex12 5079 brel 5090 brinxp2 5103 eqbrrdva 5213 ssrelrn 5237 xpidtr 5437 xpco 5592 isocnv3 6482 tpostpos 7259 swoer 7659 erinxp 7708 ecopover 7738 ecopoverOLD 7739 infxpenlem 8719 fpwwe2lem6 9336 fpwwe2lem7 9337 fpwwe2lem9 9339 fpwwe2lem12 9342 fpwwe2lem13 9343 fpwwe2 9344 ltxrlt 9987 ltxr 11825 xpcogend 13561 xpsfrnel2 16048 invfuc 16457 elhoma 16505 efglem 17952 gsumdixp 18432 gsumbagdiag 19197 psrass1lem 19198 opsrtoslem2 19306 znleval 19722 gsumcom3fi 20025 brelg 28801 posrasymb 28988 trleile 28997 metider 29265 mclsppslem 30734 dfpo2 30898 dfon3 31169 brbigcup 31175 brsingle 31194 brimage 31203 brcart 31209 brapply 31215 brcup 31216 brcap 31217 funpartlem 31219 dfrdg4 31228 brub 31231 itg2gt0cn 32635 |
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