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Definition df-6 8413
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 8404 . 2  class  6
2 c5 8403 . . 3  class  5
3 c1 7288 . . 3  class  1
4 caddc 7290 . . 3  class  +
52, 3, 4co 5607 . 2  class  ( 5  +  1 )
61, 5wceq 1287 1  wff  6  =  ( 5  +  1 )
Colors of variables: wff set class
This definition is referenced by:  6re  8431  6pos  8451  5p1e6  8480  3p3e6  8485  4p2e6  8486  5p2e7  8489  6nn  8508  5lt6  8522  6p6e12  8875  7p6e13  8879  8p6e14  8885  8p8e16  8887  9p6e15  8892  9p7e16  8893  6t6e36  8909  7t6e42  8914  8t6e48  8920  9t6e54  8927
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