Philosophy 1200 Study Guide - Reductio Ad Absurdum, Iphone 5

• School: Western University
• Department: Philosophy
• Course: Philosophy 1200
• Professor: Eric Desjardins

Document Summary

Welcome to lecture #3! (cid:73) review (cid:73) beginning of chapter 2: meaning. An argument has logical strength to the extent that truth ows from the premises to the conclusion. If you pour truth in the premises (the premises are true), you get truth in the conclusion. Review: logical strength (cid:73) logical strength is independent of the truth of the premises (cid:73) an argument can have maximum logical strength but false (cid:73) an argument can have false premises but maximum logical premises strength. Review: logical strength (cid:73) clari cation: the truth of the conclusion is not independent of the truth of the premises and logical strength together. Review: deductive arguments (cid:73) deductive arguments are arguments with maximum logical strength. Counterfactual arguments (cid:73) if steve jobs was still alive, the iphone 5 would have had a universal gsm chip, so it would support wind"s network. Steve jobs is still alive, the iphone 5 supports wind"s network.