Theorem 1p0e1 9353

Description: 1 + 0 = 1. (Contributed by David A. Wheeler, 8-Dec-2018.)

Assertion

Ref	Expression
1p0e1	|- ( 1 + 0 ) = 1

Proof of Theorem 1p0e1

Step	Hyp	Ref	Expression
1		ax-1cn 8220	. 2 |- 1 e. CC
2	1	addridi 8415	1 |- ( 1 + 0 ) = 1

Syntax hints:   = wceq 1398  (class class class)co 6050   0cc0 8127   1c1 8128   + caddc 8130

This theorem was proved from axioms:  ax-mp 5  ax-1cn 8220  ax-0id 8235

This theorem is referenced by:  bernneq  11022  bcpasc  11128  4sqlem19  13107  ef2pi  15670  1sgm2ppw  15863