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Definition df-6 8751
Description: Define the number 6. (Contributed by NM, 27-May-1999.)
Assertion
Ref Expression
df-6  |-  6  =  ( 5  +  1 )

Detailed syntax breakdown of Definition df-6
StepHypRef Expression
1 c6 8743 . 2  class  6
2 c5 8742 . . 3  class  5
3 c1 7589 . . 3  class  1
4 caddc 7591 . . 3  class  +
52, 3, 4co 5742 . 2  class  ( 5  +  1 )
61, 5wceq 1316 1  wff  6  =  ( 5  +  1 )
Colors of variables: wff set class
This definition is referenced by:  6re  8769  6pos  8789  6m1e5  8811  5p1e6  8825  3p3e6  8830  4p2e6  8831  5p2e7  8834  6nn  8853  5lt6  8867  6p6e12  9223  7p6e13  9227  8p6e14  9233  8p8e16  9235  9p6e15  9240  9p7e16  9241  6t6e36  9257  7t6e42  9262  8t6e48  9268  9t6e54  9275
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