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Definition df-cco 13556
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 13543 . 2  class comp
2 c1 8993 . . . 4  class  1
3 c5 10054 . . . 4  class  5
42, 3cdc 10384 . . 3  class ; 1 5
54cslot 13470 . 2  class Slot ; 1 5
61, 5wceq 1653 1  wff comp  = Slot ; 1 5
Colors of variables: wff set class
This definition is referenced by:  ccondx  13646  ccoid  13647  ressco  13649  catcoppccl  14265  catcfuccl  14266  catcxpccl  14306
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