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Theorem xrneq12i 38333
Description: Equality theorem for the range Cartesian product, inference form. (Contributed by Peter Mazsa, 16-Dec-2020.)
Hypotheses
Ref Expression
xrneq12i.1 𝐴 = 𝐵
xrneq12i.2 𝐶 = 𝐷
Assertion
Ref Expression
xrneq12i (𝐴𝐶) = (𝐵𝐷)

Proof of Theorem xrneq12i
StepHypRef Expression
1 xrneq12i.1 . 2 𝐴 = 𝐵
2 xrneq12i.2 . 2 𝐶 = 𝐷
3 xrneq12 38332 . 2 ((𝐴 = 𝐵𝐶 = 𝐷) → (𝐴𝐶) = (𝐵𝐷))
41, 2, 3mp2an 691 1 (𝐴𝐶) = (𝐵𝐷)
Colors of variables: wff setvar class
Syntax hints:   = wceq 1537  cxrn 38127
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1793  ax-4 1807  ax-5 1909  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-ext 2711
This theorem depends on definitions:  df-bi 207  df-an 396  df-tru 1540  df-ex 1778  df-sb 2065  df-clab 2718  df-cleq 2732  df-clel 2819  df-rab 3444  df-in 3983  df-ss 3993  df-br 5167  df-opab 5229  df-co 5704  df-xrn 38320
This theorem is referenced by:  xrnres4  38354  xrnresex  38355
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