Theorem 5p1e6 9248

Description: 5 + 1 = 6. (Contributed by Mario Carneiro, 18-Apr-2015.)

Assertion

Ref	Expression
5p1e6	|- ( 5 + 1 ) = 6

Proof of Theorem 5p1e6

Step	Hyp	Ref	Expression
1		df-6 9173	. 2 |- 6 = ( 5 + 1 )
2	1	eqcomi 2233	1 |- ( 5 + 1 ) = 6

Syntax hints:   = wceq 1395  (class class class)co 6001   1c1 8000   + caddc 8002   5c5 9164   6c6 9165

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-5 1493  ax-gen 1495  ax-ext 2211

This theorem depends on definitions:  df-bi 117  df-cleq 2222  df-6 9173

This theorem is referenced by:  8t8e64  9698  9t7e63  9704  5recm6rec  9721  fldiv4p1lem1div2  10525  5ndvds6  12446