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Theorem parteq12 39630
Description: Equality theorem for partition. (Contributed by Peter Mazsa, 25-Jul-2024.)
Assertion
Ref Expression
parteq12 ((𝑅 = 𝑆𝐴 = 𝐵) → (𝑅 Part 𝐴𝑆 Part 𝐵))

Proof of Theorem parteq12
StepHypRef Expression
1 parteq1 39628 . 2 (𝑅 = 𝑆 → (𝑅 Part 𝐴𝑆 Part 𝐴))
2 parteq2 39629 . 2 (𝐴 = 𝐵 → (𝑆 Part 𝐴𝑆 Part 𝐵))
31, 2sylan9bb 519 1 ((𝑅 = 𝑆𝐴 = 𝐵) → (𝑅 Part 𝐴𝑆 Part 𝐵))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wb 209  wa 401   = wceq 1570   Part wpart 38975
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-11 2194  ax-ext 2732  ax-sep 5251  ax-pr 5398
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-sb 2100  df-clab 2739  df-cleq 2752  df-clel 2835  df-ral 3077  df-rex 3087  df-rab 3413  df-v 3452  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4280  df-if 4483  df-sn 4585  df-pr 4587  df-op 4591  df-br 5104  df-opab 5168  df-id 5550  df-xp 5661  df-rel 5662  df-cnv 5663  df-co 5664  df-dm 5665  df-rn 5666  df-res 5667  df-ima 5668  df-ec 8701  df-qs 8705  df-coss 39252  df-cnvrefrel 39358  df-dmqs 39474  df-funALTV 39518  df-disjALTV 39541  df-part 39620
This theorem is used by:  partsuc2  39633  partsuc  39634
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