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Theorem partimeq 39192
Description: Partition implies that the class of coelements on the natural domain is equal to the class of cosets of the relation, cf. erimeq 39044. (Contributed by Peter Mazsa, 25-Dec-2024.)
Assertion
Ref Expression
partimeq (𝑅𝑉 → (𝑅 Part 𝐴 → ∼ 𝐴 = ≀ 𝑅))

Proof of Theorem partimeq
StepHypRef Expression
1 cossex 38789 . 2 (𝑅𝑉 → ≀ 𝑅 ∈ V)
2 partim 39191 . 2 (𝑅 Part 𝐴 → ≀ 𝑅 ErALTV 𝐴)
3 erimeq 39044 . 2 ( ≀ 𝑅 ∈ V → ( ≀ 𝑅 ErALTV 𝐴 → ∼ 𝐴 = ≀ 𝑅))
41, 2, 3syl2im 40 1 (𝑅𝑉 → (𝑅 Part 𝐴 → ∼ 𝐴 = ≀ 𝑅))
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1542  wcel 2114  Vcvv 3442  ccoss 38463  ccoels 38464   ErALTV werALTV 38489   Part wpart 38504
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-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-sep 5245  ax-pow 5314  ax-pr 5381  ax-un 7692
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-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3063  df-rmo 3352  df-rab 3402  df-v 3444  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-nul 4288  df-if 4482  df-pw 4558  df-sn 4583  df-pr 4585  df-op 4589  df-uni 4866  df-iun 4950  df-br 5101  df-opab 5163  df-id 5529  df-eprel 5534  df-xp 5640  df-rel 5641  df-cnv 5642  df-co 5643  df-dm 5644  df-rn 5645  df-res 5646  df-ima 5647  df-ec 8649  df-qs 8653  df-coss 38781  df-coels 38782  df-refrel 38872  df-cnvrefrel 38887  df-symrel 38904  df-trrel 38938  df-eqvrel 38949  df-dmqs 39003  df-erALTV 39029  df-disjALTV 39070  df-part 39149
This theorem is referenced by: (None)
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