Phil. 1: Introduction to Logic

University of San Diego

Schedule

Lawrence M. Hinman, Ph. D.

Answer Key

Exercise 5.1

Part I

1. Major term: things that produce intense gravity.

Minor term: extremely dense objects.

Middle term: neutron stars.

Mood, figure: AAA-3; invalid

2. Major term: insects that should be killed.

Minor term: dragonflies.

Middle term: insects that eat mosquitoes.

Mood, figure: EAE-1; valid

3. Major term: environmentally produced diseases.

Minor term: psychological disorders.

Middle term: inherited afflictions.

Mood, figure: EOI-2; invalid

4. Major term: good witnesses.

Minor term: hypnotized persons.

Middle term: persons who mix fact with fantasy.

Mood, figure: EIO-1; valid

5. Major term: good absorbers of ultraviolet rays.

Minor term: things destroyed by chlorine.

Middle term: ozone molecules.

Mood, figure: AAI-3; valid

 

Exercise 5.1

Part I

1. Major term: things that produce intense gravity.

Minor term: extremely dense objects.

Middle term: neutron stars.

Mood, figure: AAA-3; invalid

2. Major term: insects that should be killed.

Minor term: dragonflies.

Middle term: insects that eat mosquitoes.

Mood, figure: EAE-1; valid

3. Major term: environmentally produced diseases.

Minor term: psychological disorders.

Middle term: inherited afflictions.

Mood, figure: EOI-2; invalid

4. Major term: good witnesses.

Minor term: hypnotized persons.

Middle term: persons who mix fact with fantasy.

Mood, figure: EIO-1; valid

5. Major term: good absorbers of ultraviolet rays.

Minor term: things destroyed by chlorine.

Middle term: ozone molecules.

Mood, figure: AAI-3; valid