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Theorem reseq2i 4637
Description: Equality inference for restrictions. (Contributed by Paul Chapman, 22-Jun-2011.)
Hypothesis
Ref Expression
reseqi.1 𝐴 = 𝐵
Assertion
Ref Expression
reseq2i (𝐶𝐴) = (𝐶𝐵)

Proof of Theorem reseq2i
StepHypRef Expression
1 reseqi.1 . 2 𝐴 = 𝐵
2 reseq2 4635 . 2 (𝐴 = 𝐵 → (𝐶𝐴) = (𝐶𝐵))
31, 2ax-mp 7 1 (𝐶𝐴) = (𝐶𝐵)
Colors of variables: wff set class
Syntax hints:   = wceq 1285  cres 4373
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 663  ax-5 1377  ax-7 1378  ax-gen 1379  ax-ie1 1423  ax-ie2 1424  ax-8 1436  ax-10 1437  ax-11 1438  ax-i12 1439  ax-bndl 1440  ax-4 1441  ax-17 1460  ax-i9 1464  ax-ial 1468  ax-i5r 1469  ax-ext 2064
This theorem depends on definitions:  df-bi 115  df-tru 1288  df-nf 1391  df-sb 1687  df-clab 2069  df-cleq 2075  df-clel 2078  df-nfc 2209  df-v 2604  df-in 2980  df-opab 3848  df-xp 4377  df-res 4383
This theorem is referenced by:  reseq12i  4638  rescom  4664  resdmdfsn  4681  rescnvcnv  4813  resdm2  4841  funcnvres  5003  funimaexg  5014  resdif  5179  frecfnom  6050  facnn  9751  fac0  9752
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