Hypothetical Syllogisms

10 Questions | Total Attempts: 692

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Hypothetical Syllogisms are patterns of deductive reasoning. Three forms are valid and two forms are not. Test your skills at identifying which patterns they are!

• 1.
If A then B,A.Therefore, B.
• A.

Modus ponens

• B.

Chain argument

• C.

Modus tollens

• D.

Denying the antecedent

• E.

Affirming the consequent

• 2.
If I want to learn to drive, I had better take some lessons.I do want to learn to drive.Therefore, I'd better take some lessons.
• A.

Modus ponens

• B.

Chain argument

• C.

Modus tollens

• D.

Denying the antecedent

• E.

Affirming the consequent

• 3.
If A then B.If B, then C.Therefore, if A, then C.
• A.

Modus ponens

• B.

Chain argument

• C.

Modus tollens

• D.

Denying the antecedent

• E.

Affirming the consequent

• 4.
If we shop at Fleet Farm, we will buy supplies.If we buy supplies, then we will spend some money.Therefore, if we shop at Fleet Farm, we will spend some money.
• A.

Modus ponens

• B.

Chain argument

• C.

Modus tollens

• D.

Denying the antecedent

• E.

Affirming the consequent

• 5.
If A, then B.Not B.Therefore, not A.
• A.

Modus ponens

• B.

Chain argument

• C.

Modus tollens

• D.

Denying the antecedent

• E.

Affirming the consequent

• 6.
If we are in Instructor Kath's critical thinking class, we are in Central Lakes College.We are not in Central Lakes College.Therefore, we are not in Instructor Kath's critical thinking class.
• A.

Modus ponens

• B.

Chain argument

• C.

Modus tollens

• D.

Denying the antecedent

• E.

Affirming the consequent

• 7.
If A then B.Not A.Therefore, not B.
• A.

Modus ponens

• B.

Chain argument

• C.

Modus tollens

• D.

Denying the antecedent

• E.

Affirming the consequent

• 8.
If the student drove to class drunk, then the student has problems.The student did not drive to class drunk.Therefore, the student does not have problems.
• A.

Modus ponens

• B.

Chain argument

• C.

Modus tollens

• D.

Denying the antecedent

• E.

Affirming the consequent

• 9.
If A then B.B.Therefore, A.
• A.

Modus ponens

• B.

Chain argument

• C.

Modus tollens

• D.

Denying the antecedent

• E.

Affirming the consequent

• 10.
If we are in Instructor Kath's Critical Thinking class, then we are in Central Lakes College.We are in Central Lakes College.Therefore, we are in Instructor Kath's Critical Thinking class.
• A.

Modus ponens

• B.

Chain argument

• C.

Modus tollens

• D.

Denying the antecedent

• E.

Affirming the consequent