
How to check if an argument is valid
In logic, validity is prime. If you want to make valid arguments, or sniff out invalid ones, here’s what you need to do
by Robert Trueman
Robert Trueman is a senior lecturer in philosophy at the University of York in the UK, teaching modules in logic, metaphysics, the philosophy of language and the philosophy of science. His book Properties and Propositions (Cambridge University Press, 2021) investigates the metaphysics of higher-order logic.