Theorem 1p0e1 8973

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 7846	. 2 |- 1 e. CC
2	1	addid1i 8040	1 |- ( 1 + 0 ) = 1

Syntax hints:   = wceq 1343  (class class class)co 5842   0cc0 7753   1c1 7754   + caddc 7756

This theorem was proved from axioms:  ax-mp 5  ax-1cn 7846  ax-0id 7861

This theorem is referenced by:  bernneq  10575  bcpasc  10679  ef2pi  13366