| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 5108 | . 2 ⊢ (𝐴(𝐶 × 𝐷)𝐵 ↔ 〈𝐴, 𝐵〉 ∈ (𝐶 × 𝐷)) | |
| 2 | opelxp 5695 | . 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 2145 〈cop 4593 class class class wbr 5107 × cxp 5657 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2734 ax-sep 5255 ax-pr 5402 |
| 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 2100 df-clab 2741 df-cleq 2754 df-clel 2837 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-br 5108 df-opab 5172 df-xp 5665 |
| This theorem is used by: brrelex12 5711 brel 5724 brinxp2 5737 eqbrrdva 5853 ssrelrn 5882 dmxp 5917 xpidtr 6120 cnvxp 6152 xpco 6291 dfpo2 6298 predtrss 6324 isocnv3 7337 tpostpos 8248 brinxper 8730 swoer 8732 erinxp 8795 ecopover 8825 infxpenlem 10020 fpwwe2lem5 10648 fpwwe2lem6 10649 fpwwe2lem8 10651 fpwwe2lem11 10654 fpwwe2lem12 10655 fpwwe2 10656 ltxrlt 11308 ltxr 13170 xpcogend 15051 invfuc 18072 elhoma 18127 ecxpid 19305 qusxpid 19314 efglem 19849 gsumcom3fi 20112 gsumdixp 20465 znleval 21773 gsumbagdiag 22153 psrass1lem 22154 opsrtoslem2 22278 lenlts 27996 zsoring 28682 brelg 33088 posrasymb 33415 trleile 33419 metider 34412 satefvfmla1 36012 mclsppslem 36170 xpab 36313 dfon3 36477 brbigcup 36483 brsingle 36502 brimage 36511 brcart 36517 brapply 36523 brcup 36524 brcap 36525 funpartlem 36529 dfrdg4 36538 brub 36541 bj-xpcossxp 37949 itg2gt0cn 38432 grucollcld 45092 grumnud 45118 coxp 49769 xpco2 49793 |
| Copyright terms: Public domain | W3C validator |