Description: Define the class of ortholattices. Definition from Kalmbach p. 16. (Contributed by NM, 18-Sep-2011)
Ref | Expression | ||
---|---|---|---|
Assertion | df-ol | |- OL = ( Lat i^i OP ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
0 | col | |- OL |
|
1 | clat | |- Lat |
|
2 | cops | |- OP |
|
3 | 1 2 | cin | |- ( Lat i^i OP ) |
4 | 0 3 | wceq | |- OL = ( Lat i^i OP ) |