Users' Mathboxes Mathbox for Peter Mazsa < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  xrneq2d Structured version   Visualization version   GIF version

Theorem xrneq2d 39050
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 39048 . 2 (𝐴 = 𝐵 → (𝐶𝐴) = (𝐶𝐵))
31, 2syl 18 1 (𝜑 → (𝐶𝐴) = (𝐶𝐵))
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1570  cxrn 38823
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-ext 2735
This theorem depends on definitions:  df-bi 210  df-an 401  df-tru 1573  df-ex 1810  df-sb 2097  df-clab 2742  df-cleq 2755  df-clel 2838  df-rab 3417  df-in 3912  df-ss 3922  df-br 5110  df-opab 5174  df-co 5670  df-xrn 39029
This theorem is referenced by: (None)
  Copyright terms: Public domain W3C validator