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Definition df-cco 16014
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
StepHypRef Expression
1 cco 16000 . 2 class comp
2 c1 9975 . . . 4 class 1
3 c5 11111 . . . 4 class 5
42, 3cdc 11531 . . 3 class 15
54cslot 15903 . 2 class Slot 15
61, 5wceq 1523 1 wff comp = Slot 15
Colors of variables: wff setvar class
This definition is referenced by:  ccondx  16123  ccoid  16124  ressco  16126  catcoppccl  16805  catcfuccl  16806  catcxpccl  16894
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