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Theorem 1p0e1 8987
Description: 1 + 0 = 1. (Contributed by David A. Wheeler, 8-Dec-2018.)
Assertion
Ref Expression
1p0e1  |-  ( 1  +  0 )  =  1

Proof of Theorem 1p0e1
StepHypRef Expression
1 ax-1cn 7860 . 2  |-  1  e.  CC
21addid1i 8054 1  |-  ( 1  +  0 )  =  1
Colors of variables: wff set class
Syntax hints:    = wceq 1348  (class class class)co 5851   0cc0 7767   1c1 7768    + caddc 7770
This theorem was proved from axioms:  ax-mp 5  ax-1cn 7860  ax-0id 7875
This theorem is referenced by:  bernneq  10589  bcpasc  10693  ef2pi  13485
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