PHLA10H3 Lecture Notes - Lecture 1: Organism, Lightning, The Principle
Document Summary
In the land of the knights (tell truth) and knaves (always lie) 1. a says at least one of us is a knave . A says, either i am a knave or b is a knight . Inclusive or : today we might either have cake or pie available on the menu . Exclusive or : you can choose from cake or pie . Argument: structure of statements made to prove a desired point. Philosophy: made up of arguments to come to an accurate conclusion. Premises must be relevant to the conclusion. Relevance: the premises must give good reasons to believe the conclusion (fish can swim so other things must be able to swim in the world) If the premises are true, the conclusion must be true. If someone lives in edmonton then they live in canada. A sentences is +ve if it doesn"t contain any negations. Valid in logic is only about arguments ( no valid statements.
