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Mirrors > Home > MPE Home > Th. List > df-ocomp | Structured version Visualization version GIF version |
Description: Define the orthocomplementation extractor for posets and related structures. (Contributed by NM, 4-Sep-2011.) (Revised by Mario Carneiro, 14-Aug-2015.) Use its index-independent form ocid 17268 instead. (New usage is discouraged.) |
Ref | Expression |
---|---|
df-ocomp | ⊢ oc = Slot ;11 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | coc 17146 | . 2 class oc | |
2 | c1 11057 | . . . 4 class 1 | |
3 | 2, 2 | cdc 12623 | . . 3 class ;11 |
4 | 3 | cslot 17058 | . 2 class Slot ;11 |
5 | 1, 4 | wceq 1542 | 1 wff oc = Slot ;11 |
Colors of variables: wff setvar class |
This definition is referenced by: ocndx 17267 ocid 17268 |
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