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Theorem seqeq123d 12672
 Description: Equality deduction for the sequence builder operation. (Contributed by Mario Carneiro, 7-Sep-2013.)
Hypotheses
Ref Expression
seqeq123d.1 (𝜑𝑀 = 𝑁)
seqeq123d.2 (𝜑+ = 𝑄)
seqeq123d.3 (𝜑𝐹 = 𝐺)
Assertion
Ref Expression
seqeq123d (𝜑 → seq𝑀( + , 𝐹) = seq𝑁(𝑄, 𝐺))

Proof of Theorem seqeq123d
StepHypRef Expression
1 seqeq123d.1 . . 3 (𝜑𝑀 = 𝑁)
21seqeq1d 12669 . 2 (𝜑 → seq𝑀( + , 𝐹) = seq𝑁( + , 𝐹))
3 seqeq123d.2 . . 3 (𝜑+ = 𝑄)
43seqeq2d 12670 . 2 (𝜑 → seq𝑁( + , 𝐹) = seq𝑁(𝑄, 𝐹))
5 seqeq123d.3 . . 3 (𝜑𝐹 = 𝐺)
65seqeq3d 12671 . 2 (𝜑 → seq𝑁(𝑄, 𝐹) = seq𝑁(𝑄, 𝐺))
72, 4, 63eqtrd 2648 1 (𝜑 → seq𝑀( + , 𝐹) = seq𝑁(𝑄, 𝐺))
 Colors of variables: wff setvar class Syntax hints:   → wi 4   = wceq 1475  seqcseq 12663 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590 This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3an 1033  df-tru 1478  df-ex 1696  df-nf 1701  df-sb 1868  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ral 2901  df-rex 2902  df-rab 2905  df-v 3175  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-nul 3875  df-if 4037  df-sn 4126  df-pr 4128  df-op 4132  df-uni 4373  df-br 4584  df-opab 4644  df-mpt 4645  df-xp 5044  df-cnv 5046  df-dm 5048  df-rn 5049  df-res 5050  df-ima 5051  df-pred 5597  df-iota 5768  df-fv 5812  df-ov 6552  df-oprab 6553  df-mpt2 6554  df-wrecs 7294  df-recs 7355  df-rdg 7393  df-seq 12664 This theorem is referenced by:  relexpsucnnr  13613  sseqval  29777  bj-finsumval0  32324
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