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Theorem partimeq 39845
Description: Partition implies that the class of coelements on the natural domain is equal to the class of cosets of the relation, cf. erimeq 39697. (Contributed by Peter Mazsa, 25-Dec-2024.)
Assertion
Ref Expression
partimeq (𝑅 ∈ 𝑉 → (𝑅 Part 𝐴 → ∼ 𝐴 = ≀ 𝑅))

Proof of Theorem partimeq
StepHypRef Expression
1 cossex 39442 . 2 (𝑅 ∈ 𝑉 → ≀ 𝑅 ∈ V)
2 partim 39844 . 2 (𝑅 Part 𝐴 → ≀ 𝑅 ErALTV 𝐴)
3 erimeq 39697 . 2 ( ≀ 𝑅 ∈ V → ( ≀ 𝑅 ErALTV 𝐴 → ∼ 𝐴 = ≀ 𝑅))
41, 2, 3syl2im 41 1 (𝑅 ∈ 𝑉 → (𝑅 Part 𝐴 → ∼ 𝐴 = ≀ 𝑅))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   = wceq 1569   ∈ wcel 2144  Vcvv 3450   ≀ ccoss 39116   ∼ ccoels 39117   ErALTV werALTV 39142   Part wpart 39157
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2212  ax-ext 2732  ax-sep 5248  ax-pow 5326  ax-pr 5390  ax-un 7751
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2099  df-mo 2564  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-ral 3077  df-rex 3087  df-rmo 3365  df-rab 3413  df-v 3452  df-ss 3896  df-dif 4047  df-in 4091  df-un 4151  df-nul 4279  df-if 4482  df-pw 4558  df-sn 4584  df-pr 4586  df-op 4590  df-uni 4867  df-iun 4952  df-br 5103  df-opab 5167  df-id 5545  df-eprel 5550  df-xp 5656  df-rel 5657  df-cnv 5658  df-co 5659  df-dm 5660  df-rn 5661  df-res 5662  df-ima 5663  df-ec 8719  df-qs 8723  df-coss 39434  df-coels 39435  df-refrel 39525  df-cnvrefrel 39540  df-symrel 39557  df-trrel 39591  df-eqvrel 39602  df-dmqs 39656  df-erALTV 39682  df-disjALTV 39723  df-part 39802
This theorem is used by: (None)
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