Theorem addid1 8036

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 7861	1 |- ( A e. CC -> ( A + 0 ) = A )

Syntax hints:   -> wi 4   = wceq 1343   e. wcel 2136  (class class class)co 5842   CCcc 7751   0cc0 7753   + caddc 7756

This theorem was proved from axioms:  ax-0id 7861

This theorem is referenced by:  addid2  8037  00id  8039  addid1i  8040  addid1d  8047  addcan2  8079  subid  8117  subid1  8118  addid0  8271  shftval3  10769  reim0  10803  fsum3cvg  11319  summodclem2a  11322