Forallx - An Introduction to Formal Logic

Download or read book Forallx - An Introduction to Formal Logic written by P.D. Magnus and published by Good Press. This book was released on 2023-11-27 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: Forallx is an introduction to sentential logic and first-order predicate logic with identity, logical systems that significantly influenced twentieth-century analytic philosophy. After working through the material in this book, a student should be able to understand most quantified expressions that arise in their philosophical reading. This book treats symbolization, formal semantics, and proof theory for each language. The discussion of formal semantics is more direct than in many introductory texts. Although forall x does not contain proofs of soundness and completeness, it lays the groundwork for understanding why these are things that need to be proven. Contents: What is logic? Sentential logic Truth tables Quanti ed logic Formal semantics Proofs Other symbolic notation Solutions to selected exercises