Theorem addid1 7246

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 7084	1 |- ( A e. CC -> ( A + 0 ) = A )

Syntax hints:   -> wi 4   = wceq 1284   e. wcel 1433  (class class class)co 5532   CCcc 6979   0cc0 6981   + caddc 6984

This theorem was proved from axioms:  ax-0id 7084

This theorem is referenced by:  addid2  7247  00id  7249  addid1i  7250  addid1d  7257  addcan2  7289  subid  7327  subid1  7328  addid0  7477  shftval3  9715  reim0  9748