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Definition df-6 8897
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 8889 . 2 class 6
2 c5 8888 . . 3 class 5
3 c1 7734 . . 3 class 1
4 caddc 7736 . . 3 class +
52, 3, 4co 5825 . 2 class (5 + 1)
61, 5wceq 1335 1 wff 6 = (5 + 1)
Colors of variables: wff set class
This definition is referenced by:  6re  8915  6pos  8935  6m1e5  8957  5p1e6  8971  3p3e6  8976  4p2e6  8977  5p2e7  8980  6nn  8999  5lt6  9013  6p6e12  9369  7p6e13  9373  8p6e14  9379  8p8e16  9381  9p6e15  9386  9p7e16  9387  6t6e36  9403  7t6e42  9408  8t6e48  9414  9t6e54  9421
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