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Definition df-6 8053
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 8044 . 2  class  6
2 c5 8043 . . 3  class  5
3 c1 6948 . . 3  class  1
4 caddc 6950 . . 3  class  +
52, 3, 4co 5540 . 2  class  ( 5  +  1 )
61, 5wceq 1259 1  wff  6  =  ( 5  +  1 )
Colors of variables: wff set class
This definition is referenced by:  6re  8071  6pos  8091  5p1e6  8120  3p3e6  8125  4p2e6  8126  5p2e7  8129  6nn  8148  5lt6  8162  6p6e12  8500  7p6e13  8504  8p6e14  8510  8p8e16  8512  9p6e15  8517  9p7e16  8518  6t6e36  8534  7t6e42  8539  8t6e48  8545  9t6e54  8552
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