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Mirrors > Home > MPE Home > Th. List > df-cco | Structured version Visualization version Unicode version |
Description: Define the composition operation of a category. (Contributed by Mario Carneiro, 2-Jan-2017.) |
Ref | Expression |
---|---|
df-cco | comp Slot ; |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cco 15953 | . 2 comp | |
2 | c1 9937 | . . . 4 | |
3 | c5 11073 | . . . 4 | |
4 | 2, 3 | cdc 11493 | . . 3 ; |
5 | 4 | cslot 15856 | . 2 Slot ; |
6 | 1, 5 | wceq 1483 | 1 comp Slot ; |
Colors of variables: wff setvar class |
This definition is referenced by: ccondx 16076 ccoid 16077 ressco 16079 catcoppccl 16758 catcfuccl 16759 catcxpccl 16847 |
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