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Theorem addid1 7893
Description: 0 is an additive identity. (Contributed by Jim Kingdon, 16-Jan-2020.)
Assertion
Ref Expression
addid1 (𝐴 ∈ ℂ → (𝐴 + 0) = 𝐴)

Proof of Theorem addid1
StepHypRef Expression
1 ax-0id 7721 1 (𝐴 ∈ ℂ → (𝐴 + 0) = 𝐴)
Colors of variables: wff set class
Syntax hints:  wi 4   = wceq 1331  wcel 1480  (class class class)co 5767  cc 7611  0cc0 7613   + caddc 7616
This theorem was proved from axioms:  ax-0id 7721
This theorem is referenced by:  addid2  7894  00id  7896  addid1i  7897  addid1d  7904  addcan2  7936  subid  7974  subid1  7975  addid0  8128  shftval3  10592  reim0  10626  fsum3cvg  11139  summodclem2a  11143
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