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Theorem 5p1e6 9086
Description: 5 + 1 = 6. (Contributed by Mario Carneiro, 18-Apr-2015.)
Assertion
Ref Expression
5p1e6 (5 + 1) = 6

Proof of Theorem 5p1e6
StepHypRef Expression
1 df-6 9012 . 2 6 = (5 + 1)
21eqcomi 2193 1 (5 + 1) = 6
Colors of variables: wff set class
Syntax hints:   = wceq 1364  (class class class)co 5896  1c1 7842   + caddc 7844  5c5 9003  6c6 9004
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 1458  ax-gen 1460  ax-ext 2171
This theorem depends on definitions:  df-bi 117  df-cleq 2182  df-6 9012
This theorem is referenced by:  8t8e64  9534  9t7e63  9540  5recm6rec  9557  fldiv4p1lem1div2  10336
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