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Model theory is the branch of mathematical logic which deals with the connection between a formal language and its interpretations, or models.

3 votes
2 answers
301 views

Validity in Kripke frames whose points are finite or infinite sequences

Suppose $D$ is a non-empty set and $\{ R_i : i \in \mathbb{N} \}$ is a family of binary relations on sequences over $D$ so that $R_i \subseteq D^i \times D^i$. Let $R_\omega \subseteq D^\omega \times …
Wolfgang Schwarz's user avatar
1 vote
0 answers
59 views

Descriptive general frames without differentiation?

Descriptive general frames are usually defined as general frames that are tight, compact, and differentiated. On p.91 of this paper by Skvortsov and Shehtman 1993, the authors omit the third condition …
Wolfgang Schwarz's user avatar