The Daily Translation - Problems on translation into a logical system, drawn from the current news and updated daily.
Disjunction - Theory and history of the binary connective 'or'; from the Stanford Encyclopedia of Philosophy by Ray Jennings.
Formal Methods Educational Materials - A repository for information related to formal methods in education, including pointers to existing courses and suggestions for examples and projects.
Games Mathematicians Play - Mathematical games from a logical point of view: strategies for games and using games in descriptive complexity.
Gödel's Theorem and Information - G.J.Chaitin's proof of Gödel's theorem using arguments having an algorithmic information theory flavor.
Infinity - Exploring the logical basis and practical meaning of infinite sets.
The Logic Cafe - An online textbook, courseware package, and homework assistant for introductory symbolic logic. Includes multimedia support.
The Logic Classroom - A course in basic logic consisting of 5 studies with exercises and answers to promote the learning of logic. Homeschool, college, and seminary students.
Logic Software from CSLI - Hyperproof, Tarski's World, Turing's World, and The Language of First-order Logic, educational logic software by Jon Barwise and John Etchemendy
Logic Tutorial - An interactive tool teaching basic formal logic, rendering truth tables as clickable Johnston diagrams. With notes on the Buddhist Nagarjuna and modern symbolic logic.
Logical Laws - This page includes a collection of logical laws of the first-order logic. This collection is based on the Kleene's collection from his books 'Introduction to Metamathematics' and 'Mathematical Logic' and includes a few additions.
University of Alberta Logic Course - Includes an introduction to logic and formal systems, revolving around the Mizar proof checker, and a guide to Mizar.
