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Definition df-wunc 9102
Description: A function that maps a set to the smallest weak universe that contains the elements of the set. (Contributed by Mario Carneiro, 2-Jan-2017.)
Assertion
Ref Expression
df-wunc
Distinct variable group:   ,

Detailed syntax breakdown of Definition df-wunc
StepHypRef Expression
1 cwunm 9100 . 2
2 vx . . 3
3 cvv 3109 . . 3
42cv 1394 . . . . . 6
5 vu . . . . . . 7
65cv 1394 . . . . . 6
74, 6wss 3475 . . . . 5
8 cwun 9099 . . . . 5
97, 5, 8crab 2811 . . . 4
109cint 4286 . . 3
112, 3, 10cmpt 4510 . 2
121, 11wceq 1395 1
Colors of variables: wff setvar class
This definition is referenced by:  wuncval  9141
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