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Theorem addridi 8411
Description: 0 is an additive identity. (Contributed by NM, 23-Nov-1994.) (Revised by Scott Fenton, 3-Jan-2013.)
Hypothesis
Ref Expression
mul.1 𝐴 ∈ ℂ
Assertion
Ref Expression
addridi (𝐴 + 0) = 𝐴

Proof of Theorem addridi
StepHypRef Expression
1 mul.1 . 2 𝐴 ∈ ℂ
2 addrid 8407 . 2 (𝐴 ∈ ℂ → (𝐴 + 0) = 𝐴)
31, 2ax-mp 5 1 (𝐴 + 0) = 𝐴
Colors of variables: wff set class
Syntax hints:   = wceq 1398  wcel 2203  (class class class)co 6049  cc 8121  0cc0 8123   + caddc 8126
This theorem was proved from axioms:  ax-mp 5  ax-0id 8231
This theorem is referenced by:  1p0e1  9349  9p1e10  9707  num0u  9715  numnncl2  9727  decrmanc  9761  decaddi  9764  decaddci  9765  decmul1  9768  decmulnc  9771  fsumrelem  12150  demoivreALT  12453  decsplit0  13118  sinhalfpilem  15643  efipi  15653
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