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Theorem xrneq2d 39108
Description: Equality theorem for the range Cartesian product, deduction form. (Contributed by Peter Mazsa, 7-Sep-2021.)
Hypothesis
Ref Expression
xrneq2d.1 (𝜑𝐴 = 𝐵)
Assertion
Ref Expression
xrneq2d (𝜑 → (𝐶𝐴) = (𝐶𝐵))

Proof of Theorem xrneq2d
StepHypRef Expression
1 xrneq2d.1 . 2 (𝜑𝐴 = 𝐵)
2 xrneq2 39106 . 2 (𝐴 = 𝐵 → (𝐶𝐴) = (𝐶𝐵))
31, 2syl 18 1 (𝜑 → (𝐶𝐴) = (𝐶𝐵))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4   = wceq 1570  cxrn 38881
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 2148  ax-9 2156  ax-ext 2737
This proof depends on definitions:  df-bi 210  df-an 402  df-tru 1573  df-ex 1813  df-sb 2100  df-clab 2744  df-cleq 2757  df-clel 2840  df-rab 3419  df-in 3913  df-ss 3923  df-br 5112  df-opab 5176  df-co 5672  df-xrn 39087
This theorem is used by: (None)
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