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Definition df-cco 15742
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 15728 . 2 class comp
2 c1 9793 . . . 4 class 1
3 c5 10922 . . . 4 class 5
42, 3cdc 11327 . . 3 class 15
54cslot 15642 . 2 class Slot 15
61, 5wceq 1474 1 wff comp = Slot 15
Colors of variables: wff setvar class
This definition is referenced by:  ccondx  15847  ccoid  15848  ressco  15850  catcoppccl  16529  catcfuccl  16530  catcxpccl  16618
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