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Definition df-compl 3212
Description: Define the complement of a class. Compare nic-dfneg 1435. (Contributed by SF, 10-Jan-2015.)
Assertion
Ref Expression
df-compl &ncap

Detailed syntax breakdown of Definition df-compl
StepHypRef Expression
1 cA . . 3
21ccompl 3205 . 2
31, 1cnin 3204 . 2 &ncap
42, 3wceq 1642 1 &ncap
Colors of variables: wff set class
This definition is referenced by:  elcomplg  3218  nfcompl  3229  compleq  3243  complexg  4099
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