Theorem opeq2d 3720

Description: Equality deduction for ordered pairs. (Contributed by NM, 16-Dec-2006.)

Hypothesis

Ref	Expression
opeq1d.1	⊢ (𝜑 → 𝐴 = 𝐵)

Assertion

Ref	Expression
opeq2d	⊢ (𝜑 → ⟨𝐶, 𝐴⟩ = ⟨𝐶, 𝐵⟩)

Proof of Theorem opeq2d

Step	Hyp	Ref	Expression
1		opeq1d.1	. 2 ⊢ (𝜑 → 𝐴 = 𝐵)
2		opeq2 3714	. 2 ⊢ (𝐴 = 𝐵 → ⟨𝐶, 𝐴⟩ = ⟨𝐶, 𝐵⟩)
3	1, 2	syl 14	1 ⊢ (𝜑 → ⟨𝐶, 𝐴⟩ = ⟨𝐶, 𝐵⟩)

Syntax hints:   → wi 4   = wceq 1332  ⟨cop 3535

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-io 699  ax-5 1424  ax-7 1425  ax-gen 1426  ax-ie1 1470  ax-ie2 1471  ax-8 1483  ax-10 1484  ax-11 1485  ax-i12 1486  ax-bndl 1487  ax-4 1488  ax-17 1507  ax-i9 1511  ax-ial 1515  ax-i5r 1516  ax-ext 2122

This theorem depends on definitions:  df-bi 116  df-3an 965  df-tru 1335  df-nf 1438  df-sb 1737  df-clab 2127  df-cleq 2133  df-clel 2136  df-nfc 2271  df-v 2691  df-un 3080  df-sn 3538  df-pr 3539  df-op 3541

This theorem is referenced by:  tfr1onlemaccex  6253  tfrcllemaccex  6266  fundmen  6708  recexnq  7222  suplocexprlemex  7554  elreal2  7662  frecuzrdgrrn  10212  frec2uzrdg  10213  frecuzrdgrcl  10214  frecuzrdgsuc  10218  frecuzrdgrclt  10219  frecuzrdgg  10220  frecuzrdgsuctlem  10227  seqeq2  10253  seqeq3  10254  iseqvalcbv  10261  seq3val  10262  seqvalcd  10263  eucalgval  11771  ennnfonelemp1  11955  ennnfonelemnn0  11971  strsetsid  12031  ressid2  12057  ressval2  12058