A CONCISE INTRODUCTION TO LOGIC 14TH
EDITION PATRICK HURLEY EXAM SCRIPT 2026
FULL SOLVED ITEMS AND ANSWERS CRITICAL
THINKING PRACTICE SET
◉ Genus and Species Hierarchy.
Answer: A hierarchy where a term can be placed to clearly show the
relationships between them.
◉ Mutually Exclusive.
Answer: Do not overlap.
◉ Exhaustive.
Answer: No other types of logic exist.
◉ Extension.
Answer: The sum of all the individual objects (things) described
(included) by it.
◉ Intension.
Answer: The sum of all the common attributes denoted by the term.
,◉ Methods of Defining a Term.
Answer: 1. Defining by synonym
2. Defining by example
3. Defining by genus and difference
◉ Defining by Synonym.
Answer: Defining by using a similar definition.
◉ Defining by Example.
Answer: Defining by using examples.
◉ Defining by Genus and Difference.
Answer: Defining by giving its genus followed by a difference.
◉ 6 Rules for Defining by Genus and Difference.
Answer: 1. A definition should state the essential attributes of the
term.
2. A definition should not be circular.
3. A definition should not be too broad nor too narrow.
4. A definition should not be unclear or figurative.
5. A definition should be stated positively, if possible.
, 6. A definition should be of the same part of speech as the term.
◉ Statement.
Answer: A sentence that is either true or false.
◉ Truth Value.
Answer: Whether a statement is either true or false.
◉ Question.
Answer: A sentence that is not a statement with no truth value (a).
◉ Command.
Answer: A sentence that is not a statement with no truth value (b).
◉ Nonsense.
Answer: A sentence that is not a statement with no truth value (c).
◉ Self-supporting statement.
Answer: A statement whose truth value can be determined from the
statement itself.
◉ Tautology.
EDITION PATRICK HURLEY EXAM SCRIPT 2026
FULL SOLVED ITEMS AND ANSWERS CRITICAL
THINKING PRACTICE SET
◉ Genus and Species Hierarchy.
Answer: A hierarchy where a term can be placed to clearly show the
relationships between them.
◉ Mutually Exclusive.
Answer: Do not overlap.
◉ Exhaustive.
Answer: No other types of logic exist.
◉ Extension.
Answer: The sum of all the individual objects (things) described
(included) by it.
◉ Intension.
Answer: The sum of all the common attributes denoted by the term.
,◉ Methods of Defining a Term.
Answer: 1. Defining by synonym
2. Defining by example
3. Defining by genus and difference
◉ Defining by Synonym.
Answer: Defining by using a similar definition.
◉ Defining by Example.
Answer: Defining by using examples.
◉ Defining by Genus and Difference.
Answer: Defining by giving its genus followed by a difference.
◉ 6 Rules for Defining by Genus and Difference.
Answer: 1. A definition should state the essential attributes of the
term.
2. A definition should not be circular.
3. A definition should not be too broad nor too narrow.
4. A definition should not be unclear or figurative.
5. A definition should be stated positively, if possible.
, 6. A definition should be of the same part of speech as the term.
◉ Statement.
Answer: A sentence that is either true or false.
◉ Truth Value.
Answer: Whether a statement is either true or false.
◉ Question.
Answer: A sentence that is not a statement with no truth value (a).
◉ Command.
Answer: A sentence that is not a statement with no truth value (b).
◉ Nonsense.
Answer: A sentence that is not a statement with no truth value (c).
◉ Self-supporting statement.
Answer: A statement whose truth value can be determined from the
statement itself.
◉ Tautology.
