Logic Quiz #3 Study Guide

Definitions

Inductive Argument, Strength, Cogency, Probable, Additive

Deductive Argument, Validity, Soundness, Certainty

State the complex form of Inductive Generalization, indicating which parts (Sample, Population, Relevant Property, Highly Correlated Properties, and Explanation) are found in each premise and the conclusion. (See below)

How do we evaluate Sample Size?

Hasty Generalization, Biased Sample, Self-Selecting Sample

State the complex form of the Argument from Analogy, indicating which parts (Thing A, Thing B, Property 1, Property 2, High Correlation, and Explanation) are found in each premise and the conclusion. (See below)

Exercises

Distinguish between Literary Analogies, Inductive Generalizations, and Arguments from Analogy.

Identify the parts of Inductive Generalizations and Arguments from Analogy.

Identify number of Relevant Similarities, number of Relevant Differences, number of Instances Compared, Diversity of Cases.

Evaluate the strength of Inductive Generalizations and Arguments from Analogy using correlation.

Inductive Generalization

1. Sample has Relevant Property.

2. Highly Correlated Properties are well-represented in the Sample.

3. Explanation of the correlation.

4. Therefore, Population has Relevant Property.

Argument from Analogy

1. Thing A has Property 1 and Property 2.

2. Thing B has Property 1.

3. There is a High Correlation between Property 1 and Property 2.

4. Explanation of the correlation.

5. Therefore, Thing B has Property 2.