ENGLISH

Lattices of Modal Logics [PhD Thesis]

By Frank Wolter

Book information

Publisher
Freie Universität Berlin
Year
1993
Language
english
Format
DJVU
Filesize
3 MB (2794681 bytes)
Pages
125\125
Topic
Mathematics Logic
DPI
600
Orientation
portrait
Paginated
no
Scanned
yes
Time added
2015-03-21 12:51:15

Description

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 strong logic. In this thesis we will provide a third one by investigating proper complete sublattices, which are not filters within the whole lattice, but compactness preserving. The framework of our investigation is the lattice of normal n-modal logics, i.e., normal modal logics with n modal operators.

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