Definition df-cco 16452

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 16439	. 2 class comp
2		c1 10342	. . . 4 class 1
3		c5 11504	. . . 4 class 5
4	2, 3	cdc 11917	. . 3 class ;15
5	4	cslot 16344	. 2 class Slot ;15
6	1, 5	wceq 1508	1 wff comp = Slot ;15

This definition is referenced by:  ccondx  16551  ccoid  16552  ressco  16554  catcoppccl  17238  catcfuccl  17239  catcxpccl  17327