Book1896
Symbolic Logic
Lewis Carroll
Works through propositional inference using diagrams and puzzles, treating logic as a game of elimination rather than a set of rules to memorise.
link checked 17 Sept 2026FreeEntry
Propositional Logic
A topic within Logic, itself one of 10 topics in that field and part of Philosophy.
Reading on Propositional Logic
22 works
Book1854
An Investigation of the Laws of Thought
George Boole
Represents logical propositions as algebraic equations obeying their own consistent rules, founding symbolic and propositional logic as a branch of mathematics.
link checked 17 Sept 2026Notes on this copyFreeIntermediate