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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 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cco 15202 |
. 2
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2 | c1 9540 |
. . . 4
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3 | c5 10662 |
. . . 4
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4 | 2, 3 | cdc 11051 |
. . 3
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5 | 4 | cslot 15120 |
. 2
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6 | 1, 5 | wceq 1444 |
1
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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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