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Definition df-homf 14767
Description: Define the functionalized Hom-set operator, which is exactly like but is guaranteed to be a function on the base. (Contributed by Mario Carneiro, 4-Jan-2017.)
Assertion
Ref Expression
df-homf
Distinct variable group:   , ,

Detailed syntax breakdown of Definition df-homf
StepHypRef Expression
1 chomf 14763 . 2
2 vc . . 3
3 cvv 3081 . . 3
4 vx . . . 4
5 vy . . . 4
62cv 1369 . . . . 5
7 cbs 14332 . . . . 5
86, 7cfv 5537 . . . 4
94cv 1369 . . . . 5
105cv 1369 . . . . 5
11 chom 14408 . . . . . 6
126, 11cfv 5537 . . . . 5
139, 10, 12co 6222 . . . 4
144, 5, 8, 8, 13cmpt2 6224 . . 3
152, 3, 14cmpt 4467 . 2
161, 15wceq 1370 1
Colors of variables: wff setvar class
This definition is referenced by:  homffval  14789
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