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Definition df-6 8743
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 8735 . 2 class 6
2 c5 8734 . . 3 class 5
3 c1 7585 . . 3 class 1
4 caddc 7587 . . 3 class +
52, 3, 4co 5740 . 2 class (5 + 1)
61, 5wceq 1314 1 wff 6 = (5 + 1)
Colors of variables: wff set class
This definition is referenced by:  6re  8761  6pos  8781  5p1e6  8811  3p3e6  8816  4p2e6  8817  5p2e7  8820  6nn  8839  5lt6  8853  6p6e12  9209  7p6e13  9213  8p6e14  9219  8p8e16  9221  9p6e15  9226  9p7e16  9227  6t6e36  9243  7t6e42  9248  8t6e48  9254  9t6e54  9261
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