Definition df-cco 16590

Description: Define the composition operation of a category. (Contributed by Mario Carneiro, 2-Jan-2017.)

Assertion

Ref	Expression
df-cco	⊢ comp = Slot ;15

Detailed syntax breakdown of Definition df-cco

Step	Hyp	Ref	Expression
1		cco 16577	. 2 class comp
2		c1 10538	. . . 4 class 1
3		c5 11696	. . . 4 class 5
4	2, 3	cdc 12099	. . 3 class ;15
5	4	cslot 16482	. 2 class Slot ;15
6	1, 5	wceq 1537	1 wff comp = Slot ;15

This definition is referenced by:  ccondx  16689  ccoid  16690  ressco  16692  catcoppccl  17368  catcfuccl  17369  catcxpccl  17457