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Mirrors > Home > MPE Home > Th. List > Mathboxes > brparts2 | Structured version Visualization version GIF version |
Description: Binary partitions relation. (Contributed by Peter Mazsa, 30-Dec-2021.) |
Ref | Expression |
---|---|
brparts2 | ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 Parts 𝐴 ↔ (𝑅 ∈ Disjs ∧ (dom 𝑅 / 𝑅) = 𝐴))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | brparts 36991 | . . 3 ⊢ (𝐴 ∈ 𝑉 → (𝑅 Parts 𝐴 ↔ (𝑅 ∈ Disjs ∧ 𝑅 DomainQss 𝐴))) | |
2 | 1 | adantr 482 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 Parts 𝐴 ↔ (𝑅 ∈ Disjs ∧ 𝑅 DomainQss 𝐴))) |
3 | brdmqss 36866 | . . 3 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 DomainQss 𝐴 ↔ (dom 𝑅 / 𝑅) = 𝐴)) | |
4 | 3 | anbi2d 630 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → ((𝑅 ∈ Disjs ∧ 𝑅 DomainQss 𝐴) ↔ (𝑅 ∈ Disjs ∧ (dom 𝑅 / 𝑅) = 𝐴))) |
5 | 2, 4 | bitrd 279 | 1 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 Parts 𝐴 ↔ (𝑅 ∈ Disjs ∧ (dom 𝑅 / 𝑅) = 𝐴))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 397 = wceq 1539 ∈ wcel 2104 class class class wbr 5081 dom cdm 5600 / cqs 8528 DomainQss cdmqss 36410 Disjs cdisjs 36420 Parts cparts 36425 |
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 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-ext 2707 ax-sep 5232 ax-nul 5239 ax-pr 5361 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-sb 2066 df-clab 2714 df-cleq 2728 df-clel 2814 df-ral 3062 df-rex 3071 df-rab 3341 df-v 3439 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-nul 4263 df-if 4466 df-sn 4566 df-pr 4568 df-op 4572 df-br 5082 df-opab 5144 df-xp 5606 df-cnv 5608 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-ec 8531 df-qs 8535 df-dmqss 36858 df-parts 36985 |
This theorem is referenced by: (None) |
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