An attempt is made to prepare Linguistics for Situation Semantics. I INTRODUCTION Computational Situation Semantics (yet?). So what is there? Besides a few published papers, each of them containing at least one position since abandoned~ there is a book ~ Attitudes literally on the very verge of publication. This contains the philosophlcal/theoretlcal background of the program The Big Picture. It also contains a very brief treatment of a very simple fragment of ALIASS. And what, the reader may well ask is ALIASS? An Artificial Language for lliustratlng Aspects of ~Ituation ~emantlcs, that's what. .