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Theorem f1oeq3d 5429
Description: Equality deduction for one-to-one onto functions. (Contributed by Glauco Siliprandi, 17-Aug-2020.)
Hypothesis
Ref Expression
f1oeq3d.1 (𝜑𝐴 = 𝐵)
Assertion
Ref Expression
f1oeq3d (𝜑 → (𝐹:𝐶1-1-onto𝐴𝐹:𝐶1-1-onto𝐵))

Proof of Theorem f1oeq3d
StepHypRef Expression
1 f1oeq3d.1 . 2 (𝜑𝐴 = 𝐵)
2 f1oeq3 5423 . 2 (𝐴 = 𝐵 → (𝐹:𝐶1-1-onto𝐴𝐹:𝐶1-1-onto𝐵))
31, 2syl 14 1 (𝜑 → (𝐹:𝐶1-1-onto𝐴𝐹:𝐶1-1-onto𝐵))
Colors of variables: wff set class
Syntax hints:  wi 4  wb 104   = wceq 1343  1-1-ontowf1o 5187
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-5 1435  ax-7 1436  ax-gen 1437  ax-ie1 1481  ax-ie2 1482  ax-8 1492  ax-11 1494  ax-4 1498  ax-17 1514  ax-i9 1518  ax-ial 1522  ax-i5r 1523  ax-ext 2147
This theorem depends on definitions:  df-bi 116  df-nf 1449  df-sb 1751  df-clab 2152  df-cleq 2158  df-clel 2161  df-in 3122  df-ss 3129  df-f 5192  df-f1 5193  df-fo 5194  df-f1o 5195
This theorem is referenced by:  fprodssdc  11531  fprodcnv  11566
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