Lattices of Modal Logics [PhD Thesis]
β Frank Wolter
π Library
π
1993
π Freie UniversitΓ€t Berlin
π English
In this thesis we investigate modal logics from a lattice theoretic point of view. There are essentially two well-known methods of research on lattices of modal logics. The investigation of the lattice of modal logics as a whole, and the local investigation of the lattice of extensions of some stron