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 ...

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 ...

The defendant didn’t tell his side of the story after he was arrested. Innocent people never invoke their Fifth Amendment right to remain silent. Therefore, the defendant is guilty [1]. Source: ...