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Theorem partimeq 39233
Description: Partition implies that the class of coelements on the natural domain is equal to the class of cosets of the relation, cf. erimeq 39085. (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 38830 . 2 (𝑅𝑉 → ≀ 𝑅 ∈ V)
2 partim 39232 . 2 (𝑅 Part 𝐴 → ≀ 𝑅 ErALTV 𝐴)
3 erimeq 39085 . 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 3429  ccoss 38504  ccoels 38505   ErALTV werALTV 38530   Part wpart 38545
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 2708  ax-sep 5231  ax-pow 5307  ax-pr 5375  ax-un 7689
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 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2933  df-ral 3052  df-rex 3062  df-rmo 3342  df-rab 3390  df-v 3431  df-dif 3892  df-un 3894  df-in 3896  df-ss 3906  df-nul 4274  df-if 4467  df-pw 4543  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4851  df-iun 4935  df-br 5086  df-opab 5148  df-id 5526  df-eprel 5531  df-xp 5637  df-rel 5638  df-cnv 5639  df-co 5640  df-dm 5641  df-rn 5642  df-res 5643  df-ima 5644  df-ec 8645  df-qs 8649  df-coss 38822  df-coels 38823  df-refrel 38913  df-cnvrefrel 38928  df-symrel 38945  df-trrel 38979  df-eqvrel 38990  df-dmqs 39044  df-erALTV 39070  df-disjALTV 39111  df-part 39190
This theorem is referenced by: (None)
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