Theorem addrid 8427

Description: 0 is an additive identity. (Contributed by Jim Kingdon, 16-Jan-2020.)

Assertion

Ref	Expression
addrid	|- ( A e. CC -> ( A + 0 ) = A )

Proof of Theorem addrid

Step	Hyp	Ref	Expression
1		ax-0id 8251	1 |- ( A e. CC -> ( A + 0 ) = A )

Syntax hints:   -> wi 4   = wceq 1398   e. wcel 2205  (class class class)co 6058   CCcc 8141   0cc0 8143   + caddc 8146

This theorem was proved from axioms:  ax-0id 8251

This theorem is referenced by:  addlid  8428  00id  8430  addridi  8431  addridd  8438  addcan2  8470  subid  8508  subid1  8509  addid0  8662  swrdccat3blem  11456  shftval3  11537  reim0  11571  fsum3cvg  12089  summodclem2a  12092