SSH 105 Chapter Notes - Chapter 5: Logical Reasoning

• School: Ryerson University
• Department: Social Sciences and Humanities
• Course: SSH 105
• Professor: Klaas Kraay

Document Summary

Week 5 - strong arguments: deductive strength, the definition of deductive strength, it is not enough to make an argument well-formed, it must be strong, in order to be a deductively strong argument it must be 1) Deductively valid and 2) all its premises must be justified. 1. p 2. p: sound arguments- characteristics of arguments that are analogous to truth and rationality *justification) as properties of statements. The strength of a valid argument is proportional to the reasonableness of the conjunction of all its premises. Strength can vary from person to person, depending on the evidence the people have. Requires cogency, justified premises, and not being defeated by one"s total evidence. Can vary from one person to another, depending on the person"s evidence. Does not guarantee the truth of the conclusion. Degree of inductive strength depends on how cogent the argument is, how reasonable the premises are, and the effects of total evidence on the argument.