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Theorem reseq1d 4712
Description: Equality deduction for restrictions. (Contributed by NM, 21-Oct-2014.)
Hypothesis
Ref Expression
reseqd.1 (𝜑𝐴 = 𝐵)
Assertion
Ref Expression
reseq1d (𝜑 → (𝐴𝐶) = (𝐵𝐶))

Proof of Theorem reseq1d
StepHypRef Expression
1 reseqd.1 . 2 (𝜑𝐴 = 𝐵)
2 reseq1 4707 . 2 (𝐴 = 𝐵 → (𝐴𝐶) = (𝐵𝐶))
31, 2syl 14 1 (𝜑 → (𝐴𝐶) = (𝐵𝐶))
Colors of variables: wff set class
Syntax hints:  wi 4   = wceq 1289  cres 4440
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-io 665  ax-5 1381  ax-7 1382  ax-gen 1383  ax-ie1 1427  ax-ie2 1428  ax-8 1440  ax-10 1441  ax-11 1442  ax-i12 1443  ax-bndl 1444  ax-4 1445  ax-17 1464  ax-i9 1468  ax-ial 1472  ax-i5r 1473  ax-ext 2070
This theorem depends on definitions:  df-bi 115  df-tru 1292  df-nf 1395  df-sb 1693  df-clab 2075  df-cleq 2081  df-clel 2084  df-nfc 2217  df-v 2621  df-in 3005  df-res 4450
This theorem is referenced by:  reseq12d  4714  fun2ssres  5057  funcnvres2  5089  funimaexg  5098  fresin  5189  offres  5906  tfrlemisucaccv  6090  tfrlemi1  6097  tfr1onlemsucaccv  6106  tfrcllemsucaccv  6119  freceq1  6157  freceq2  6158  fseq1p1m1  9504  setsresg  11527  setscom  11529
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