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| Mirrors > Home > MPE Home > Th. List > brinxp2 | Structured version Visualization version GIF version | ||
| Description: Intersection of binary relation with Cartesian product. (Contributed by NM, 3-Mar-2007.) (Revised by Mario Carneiro, 26-Apr-2015.) Group conjuncts and avoid df-3an 1088. (Revised by Peter Mazsa, 18-Sep-2022.) |
| Ref | Expression |
|---|---|
| brinxp2 | ⊢ (𝐶(𝑅 ∩ (𝐴 × 𝐵))𝐷 ↔ ((𝐶 ∈ 𝐴 ∧ 𝐷 ∈ 𝐵) ∧ 𝐶𝑅𝐷)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | brin 5147 | . 2 ⊢ (𝐶(𝑅 ∩ (𝐴 × 𝐵))𝐷 ↔ (𝐶𝑅𝐷 ∧ 𝐶(𝐴 × 𝐵)𝐷)) | |
| 2 | ancom 460 | . 2 ⊢ ((𝐶𝑅𝐷 ∧ 𝐶(𝐴 × 𝐵)𝐷) ↔ (𝐶(𝐴 × 𝐵)𝐷 ∧ 𝐶𝑅𝐷)) | |
| 3 | brxp 5672 | . . 3 ⊢ (𝐶(𝐴 × 𝐵)𝐷 ↔ (𝐶 ∈ 𝐴 ∧ 𝐷 ∈ 𝐵)) | |
| 4 | 3 | anbi1i 624 | . 2 ⊢ ((𝐶(𝐴 × 𝐵)𝐷 ∧ 𝐶𝑅𝐷) ↔ ((𝐶 ∈ 𝐴 ∧ 𝐷 ∈ 𝐵) ∧ 𝐶𝑅𝐷)) |
| 5 | 1, 2, 4 | 3bitri 297 | 1 ⊢ (𝐶(𝑅 ∩ (𝐴 × 𝐵))𝐷 ↔ ((𝐶 ∈ 𝐴 ∧ 𝐷 ∈ 𝐵) ∧ 𝐶𝑅𝐷)) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∧ wa 395 ∈ wcel 2109 ∩ cin 3904 class class class wbr 5095 × cxp 5621 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2701 ax-sep 5238 ax-nul 5248 ax-pr 5374 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-sb 2066 df-clab 2708 df-cleq 2721 df-clel 2803 df-ral 3045 df-rex 3054 df-rab 3397 df-v 3440 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4479 df-sn 4580 df-pr 4582 df-op 4586 df-br 5096 df-opab 5158 df-xp 5629 |
| This theorem is referenced by: brinxp 5702 opelinxp 5703 fncnv 6559 erinxp 8725 fpwwe2lem7 10550 fpwwe2lem8 10551 fpwwe2lem11 10554 nqerf 10843 nqerid 10846 isstruct 17082 pwsle 17415 psss 18505 psssdm2 18506 pi1cpbl 24961 pi1grplem 24966 br1cnvinxp 38250 brres2 38262 inxpss 38304 inxpss3 38307 idinxpssinxp2 38311 inxp2 38354 inxpxrn 38386 |
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