Theorem 1p0e1 8994

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 7867	. 2 |- 1 e. CC
2	1	addid1i 8061	1 |- ( 1 + 0 ) = 1

Syntax hints:   = wceq 1348  (class class class)co 5853   0cc0 7774   1c1 7775   + caddc 7777

This theorem was proved from axioms:  ax-mp 5  ax-1cn 7867  ax-0id 7882

This theorem is referenced by:  bernneq  10596  bcpasc  10700  ef2pi  13520