© 1996 by Oxford University Press
A Non-Standard Injection Between Canonical Frames
Automated Reasoning ProjectAustralian National University Canberra ACT 0200, Australia Email: Timothy.Surendonk{at}anu.edu.au
In this paper the ultrafilter properties of canonical frames are used to produce a non-standard map between canonical frames of different cardinalities. While this map is not a p-morphism, it is presented as a step towards the full understanding of canonical structures.
Key Words: modal logic canonical frames p-morphisms ultrafilter embeddings language cardinality