Chapter 4 Strong Argument

Chapter 4 Strong Argument - 3. There is another premise (or...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 4 Strong Argument An argument is deductively strong for a person if and only if 1. It is deductively valid; and 2. It is reasonable for the person to believe all the argument’s premises. Deductive Strength 1. Requires deductive validity and reasonable premises. 2. The strength of a valid argument is proportional to the reasonableness of the  conjunction of all its premises. 3. Strength can vary from person to person, depending on the evidence the people  have. An argument is defeated a person’s total evidence if and only if 1. The argument is cogent. 2. The argument are reasonable for the person to believe; and
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 3. There is another premise (or premises)that is also reasonable for the person to believe and the argument formed by adding this additional premise is not cogent. An argument is inductively strong for a person if and only if 1. The argument is cogent. 2. It is reasonable for the person to believe all the premises of the argument; and 3. The argument is not defeated by the person’s total evidence. An argument is weak for a person if and only if 1. The argument is not deductively strong for the person; and 2. The argument is not inductively strong for the person....
View Full Document

This note was uploaded on 06/27/2010 for the course PHIL philoXX1 taught by Professor Harbon during the Fall '08 term at Simon Fraser.

Page1 / 2

Chapter 4 Strong Argument - 3. There is another premise (or...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online