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 = Slot ; 1 4

Detailed syntax breakdown

Step Hyp Ref Expression
0 chom
 |-  Hom
1 c1
 |-  1
2 c4
 |-  4
3 1 2 cdc
 |-  ; 1 4
4 3 cslot
 |-  Slot ; 1 4
5 0 4 wceq
 |-  Hom = Slot ; 1 4