×

Conditions related to De Morgan’s law. (English) Zbl 0445.03041

Applications of sheaves, Proc. Res. Symp., Durham 1977, Lect. Notes Math. 753, 479-491 (1979).

MSC:

03G30 Categorical logic, topoi
18B25 Topoi
54G05 Extremally disconnected spaces, \(F\)-spaces, etc.

Citations:

Zbl 0407.00001