A printable summary of key concepts, connectives, valid argument forms, formal and informal fallacies, and a five step method for any argument.
Discover what logic studies, how statements carry truth values, and why careful reasoning matters in everyday British life.
Learn how to identify a logical argument, distinguish its premises from its conclusion, and tell it apart from explanations, opinions and descriptions.
Learn to spot the signposts that mark premises and conclusions, uncover hidden assumptions, and draw simple diagrams of argument structure.
Learn how deductive reasoning guarantees its conclusion while inductive reasoning only makes it probable, and discover why the distinction matters for everyday thinking.
Learn why a valid argument can have false premises, what makes an argument sound, and how a single counterexample can prove invalidity.
How to judge whether an inductive argument gives you good reason to accept its conclusion.