We have seen that we can deduce new conditionals from old. But where do we get conditionals to start with? Fortunately, we can get conditionals from our three principles. Premise (5) in the LSAT ...

A premise is the assumption of an argument that is meant to justify the conclusion the one making the argument is hoping you’ll come to. If one fails to establish the premise to his argument, one ...

Formal logic helps us build and evaluate rational arguments, which helps us to test claims, explain our reasoning, and keep discussions clear. The first step in learning formal logic is learning about ...