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Theorem 5p1e6 8236
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 8169 . 2  |-  6  =  ( 5  +  1 )
21eqcomi 2086 1  |-  ( 5  +  1 )  =  6
Colors of variables: wff set class
Syntax hints:    = wceq 1285  (class class class)co 5543   1c1 7044    + caddc 7046   5c5 8159   6c6 8160
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-5 1377  ax-gen 1379  ax-ext 2064
This theorem depends on definitions:  df-bi 115  df-cleq 2075  df-6 8169
This theorem is referenced by:  8t8e64  8678  9t7e63  8684  fldiv4p1lem1div2  9387
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