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Theorem brparts 39186
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 39180 . 2 Parts = ( DomainQss ↾ Disjs )
21eqres 38652 1 (𝐴𝑉 → (𝑅 Parts 𝐴 ↔ (𝑅 ∈ Disjs ∧ 𝑅 DomainQss 𝐴)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wa 395  wcel 2114   class class class wbr 5086   DomainQss cdmqss 38518   Disjs cdisjs 38530   Parts cparts 38535
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-ext 2709  ax-sep 5231  ax-pr 5368
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-sb 2069  df-clab 2716  df-cleq 2729  df-clel 2812  df-ral 3053  df-rex 3063  df-rab 3391  df-v 3432  df-dif 3893  df-un 3895  df-in 3897  df-ss 3907  df-nul 4275  df-if 4468  df-sn 4569  df-pr 4571  df-op 4575  df-br 5087  df-opab 5149  df-xp 5628  df-res 5634  df-parts 39180
This theorem is referenced by:  brparts2  39187  brpartspart  39188
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