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Definition df-cco 15215
Description: Define the composition operation of a category. (Contributed by Mario Carneiro, 2-Jan-2017.)
Assertion
Ref Expression
df-cco  |- comp  = Slot ; 1 5

Detailed syntax breakdown of Definition df-cco
StepHypRef Expression
1 cco 15202 . 2  class comp
2 c1 9540 . . . 4  class  1
3 c5 10662 . . . 4  class  5
42, 3cdc 11051 . . 3  class ; 1 5
54cslot 15120 . 2  class Slot ; 1 5
61, 5wceq 1444 1  wff comp  = Slot ; 1 5
Colors of variables: wff setvar class
This definition is referenced by:  ccondx  15314  ccoid  15315  ressco  15317  catcoppccl  16003  catcfuccl  16004  catcxpccl  16092
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