An Introduction to Logics of Knowledge and Belief
arXiv:1503.00806
Abstract
This chapter provides an introduction to some basic concepts of epistemic logic, basic formal languages, their semantics, and proof systems. It also contains an overview of the handbook, and a brief history of epistemic logic and pointers to the literature.
FIrst chapter of "Handbook of Epistemic Logic", by Hans van Ditmarsch, Joseph Y. Halpern, Wiebe van der Hoek, and Barteld Kooi