A course in basic logic consisting of 5 studies with exercises and answers to promote the learning of logic. Homeschool, college, and seminary students.
An interactive tool teaching basic formal logic, rendering truth tables as clickable Johnston diagrams. With notes on the Buddhist Nagarjuna and modern symbolic logic.
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.