PHI 1101 Study Guide - Quiz Guide: Co-Premise, False Premise, Deductive Reasoning

• School: University of Ottawa
• Department: Philosophy
• Course: PHI 1101
• Professor: Andrew Brigham

Document Summary

Five steps: step 1: check for conclusions and premises by identifying indicator words, such as. If the argument you"ve identified is deductive, check its validity. If the argument you"ve identified is inductive, check its strength: step 5: evaluate the truth of the premises. If one, or all, of the premises are false, then the argument fails. If it"s a failed deductive argument, then the argument is not sound; if it"s a failed inductive argument, then the argument is not cogent: missing premises, sometimes arguments assume an unstated premise. Apply charity and attempt to construct the argument correctly. For example: lucy lives in canada, so, lucy lives in toronto, the argument above is invalid. The reason is because even if premise (1) were true, that premise would not guarantee the truth of the conclusion. So, the argument above is valid but not sound: diagramming arguments. He has great ideas for preserving the natural environment.