Theorem addid1 8093

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

Assertion

Ref	Expression
addid1	|- ( A e. CC -> ( A + 0 ) = A )

Proof of Theorem addid1

Step	Hyp	Ref	Expression
1		ax-0id 7918	1 |- ( A e. CC -> ( A + 0 ) = A )

Syntax hints:   -> wi 4   = wceq 1353   e. wcel 2148  (class class class)co 5874   CCcc 7808   0cc0 7810   + caddc 7813

This theorem was proved from axioms:  ax-0id 7918

This theorem is referenced by:  addlid  8094  00id  8096  addid1i  8097  addid1d  8104  addcan2  8136  subid  8174  subid1  8175  addid0  8328  shftval3  10831  reim0  10865  fsum3cvg  11381  summodclem2a  11384