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Theorem brparts 39254
Description: Binary partitions relation. (Contributed by Peter Mazsa, 23-Jul-2021.)
Assertion
Ref Expression
brparts (𝐴𝑉 → (𝑅 Parts 𝐴 ↔ (𝑅 ∈ Disjs ∧ 𝑅 DomainQss 𝐴)))

Proof of Theorem brparts
StepHypRef Expression
1 df-parts 39248 . 2 Parts = ( DomainQss ↾ Disjs )
21eqres 38720 1 (𝐴𝑉 → (𝑅 Parts 𝐴 ↔ (𝑅 ∈ Disjs ∧ 𝑅 DomainQss 𝐴)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 208  wa 397  wcel 2121   class class class wbr 5074   DomainQss cdmqss 38586   Disjs cdisjs 38598   Parts cparts 38603
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1803  ax-4 1817  ax-5 1918  ax-6 1975  ax-7 2016  ax-8 2123  ax-9 2131  ax-ext 2713  ax-sep 5220  ax-pr 5364
This theorem depends on definitions:  df-bi 209  df-an 398  df-or 855  df-3an 1095  df-tru 1551  df-fal 1561  df-ex 1788  df-sb 2075  df-clab 2720  df-cleq 2733  df-clel 2816  df-ral 3056  df-rex 3066  df-rab 3394  df-v 3435  df-dif 3887  df-un 3889  df-in 3891  df-ss 3901  df-nul 4264  df-if 4457  df-sn 4558  df-pr 4560  df-op 4564  df-br 5075  df-opab 5137  df-xp 5626  df-res 5632  df-parts 39248
This theorem is referenced by:  brparts2  39255  brpartspart  39256
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