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Theorem colleq2 44231
Description: Equality theorem for the collection operation. (Contributed by Rohan Ridenour, 11-Aug-2023.)
Assertion
Ref Expression
colleq2 (𝐴 = 𝐵 → (𝐹 Coll 𝐴) = (𝐹 Coll 𝐵))

Proof of Theorem colleq2
StepHypRef Expression
1 eqidd 2735 . 2 (𝐴 = 𝐵𝐹 = 𝐹)
2 id 22 . 2 (𝐴 = 𝐵𝐴 = 𝐵)
31, 2colleq12d 44229 1 (𝐴 = 𝐵 → (𝐹 Coll 𝐴) = (𝐹 Coll 𝐵))
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1539   Coll ccoll 44226
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1794  ax-4 1808  ax-5 1909  ax-6 1966  ax-7 2006  ax-8 2109  ax-9 2117  ax-ext 2706
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1779  df-sb 2064  df-clab 2713  df-cleq 2726  df-clel 2808  df-ral 3051  df-rex 3060  df-rab 3420  df-v 3465  df-dif 3934  df-un 3936  df-in 3938  df-ss 3948  df-nul 4314  df-if 4506  df-sn 4607  df-pr 4609  df-op 4613  df-iun 4973  df-br 5124  df-opab 5186  df-cnv 5673  df-dm 5675  df-rn 5676  df-res 5677  df-ima 5678  df-scott 44212  df-coll 44227
This theorem is referenced by: (None)
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