Modal characterisation theorems over special classes of frames Abstract: We investigate model theoretic characterisations of the expressive power of modal logics in terms of bisimulation invariance.

EVANSTON, Ill. — Evanston Township High School is taking a new approach to math homework by handing students a construction helmet. The class is called Geometry in Construction and the studen… ...

Unique math class helps students build their futures by: Carly Moore. Posted: Feb 6, 2022 / 06:22 PM MST. Updated: Feb 6, 2022 / 09:36 PM MST.