Metamath Proof Explorer


Definition df-hom

Description: Define the hom-set component of a category. (Contributed by Mario Carneiro, 2-Jan-2017) Use its index-independent form homid instead. (New usage is discouraged.)

Ref Expression
Assertion df-hom Hom=Slot14

Detailed syntax breakdown

Step Hyp Ref Expression
0 chom classHom
1 c1 class1
2 c4 class4
3 1 2 cdc class14
4 3 cslot classSlot14
5 0 4 wceq wffHom=Slot14