John Lyons' Linguistic Semantics: An Introduction is a foundational textbook that bridges the gap between formal logic and the study of meaning in natural language. If you are looking for this work in PDF format or a guide to its contents, it is widely used in university linguistics courses to explain how we understand words and sentences. Core Concepts in Lyons' Work
Lyons’ chapter on deixis (from Linguistic Semantics, ch. 7) is often scanned and shared as a standalone PDF. He breaks down:
(1995): The successor to his 1981 textbook, this work serves as an accessible guide to the relationship between formal philosophical semantics and contemporary pragmatics. Semantics, Volumes 1 & 2 (1977) : An encyclopedic reference.