PHI 1101 Lecture Notes - Lecture 6: Necessity And Sufficiency, Electric Spark, Causal Reasoning

• School: University of Ottawa
• Department: Philosophy
• Course: PHI 1101
• Professor: Alexander Liepins

Document Summary

Premises that do not provide adequate support for the conclusion. Non-deductive reasoning revisited: what is non-deductive reasoning, how is non-deductive reasoning different from deductive reasoning, how do we evaluate non-deductive arguments, the idea here is to make a convincing case for the likelihood of the conclusion. Probability; matter of degree: successful vs unsuccessful. Is the argument strong or weak: what makes a non-deductive argument unsuccessful, important to consider, examples: Approximately 80% of philosophy professors play video games. John is a philosophy professor, so he plays video games. Kibbles, biscuit, diesel, and puppers are all cute dogs, so all dogs are cute. Donald trump, bill clinton and anthony wiener are all american, make politicians who"ve been accused of sexual misconduct. Therefore all male american politicians are likely to have committed sexual offences. Five type of arguments: inductive generalizations (ig) Everyone i have net in ottawa is rude and obnoxious, so all canadians are rude and obnoxious.