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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 5067 | . 2 ⊢ (𝐴(𝐶 × 𝐷)𝐵 ↔ 〈𝐴, 𝐵〉 ∈ (𝐶 × 𝐷)) | |
2 | opelxp 5591 | . 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 398 ∈ wcel 2114 〈cop 4573 class class class wbr 5066 × cxp 5553 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pr 5330 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4568 df-pr 4570 df-op 4574 df-br 5067 df-opab 5129 df-xp 5561 |
This theorem is referenced by: brrelex12 5604 brel 5617 brinxp2 5629 eqbrrdva 5740 ssrelrn 5763 xpidtr 5982 xpco 6140 isocnv3 7085 tpostpos 7912 swoer 8319 erinxp 8371 ecopover 8401 infxpenlem 9439 fpwwe2lem6 10057 fpwwe2lem7 10058 fpwwe2lem9 10060 fpwwe2lem12 10063 fpwwe2lem13 10064 fpwwe2 10065 ltxrlt 10711 ltxr 12511 xpcogend 14334 invfuc 17244 elhoma 17292 efglem 18842 gsumcom3fi 19099 gsumdixp 19359 gsumbagdiag 20156 psrass1lem 20157 opsrtoslem2 20265 znleval 20701 brelg 30360 posrasymb 30644 trleile 30653 ecxpid 30925 qusxpid 30928 metider 31134 satefvfmla1 32672 mclsppslem 32830 dfpo2 32991 slenlt 33231 dfon3 33353 brbigcup 33359 brsingle 33378 brimage 33387 brcart 33393 brapply 33399 brcup 33400 brcap 33401 funpartlem 33403 dfrdg4 33412 brub 33415 itg2gt0cn 34962 grucollcld 40616 grumnud 40642 |
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