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Definition df-6 8790
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 8782 . 2  class  6
2 c5 8781 . . 3  class  5
3 c1 7628 . . 3  class  1
4 caddc 7630 . . 3  class  +
52, 3, 4co 5774 . 2  class  ( 5  +  1 )
61, 5wceq 1331 1  wff  6  =  ( 5  +  1 )
Colors of variables: wff set class
This definition is referenced by:  6re  8808  6pos  8828  6m1e5  8850  5p1e6  8864  3p3e6  8869  4p2e6  8870  5p2e7  8873  6nn  8892  5lt6  8906  6p6e12  9262  7p6e13  9266  8p6e14  9272  8p8e16  9274  9p6e15  9279  9p7e16  9280  6t6e36  9296  7t6e42  9301  8t6e48  9307  9t6e54  9314
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