Theorem 1p0e1 9237

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 8103	. 2 |- 1 e. CC
2	1	addridi 8299	1 |- ( 1 + 0 ) = 1

Syntax hints:   = wceq 1395  (class class class)co 6007   0cc0 8010   1c1 8011   + caddc 8013

This theorem was proved from axioms:  ax-mp 5  ax-1cn 8103  ax-0id 8118

This theorem is referenced by:  bernneq  10894  bcpasc  11000  4sqlem19  12948  ef2pi  15495  1sgm2ppw  15685