
Deduction Rules and Truth Tables

Interactive Video
•
Mathematics, Philosophy
•
9th - 12th Grade
•
Hard

Aiden Montgomery
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a valid argument in the context of deduction rules?
An argument with at least two premises
An argument where the conclusion follows from the premises
An argument that is always true
An argument with no premises
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the modus ponens rule, if 'p' is true and 'if p then q' is true, what can be concluded?
p is false
q is false
q is true
p and q are both false
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes modus ponens?
If p then q, not q, therefore not p
If p then q, q, therefore p
If p then q, p, therefore q
If not p then not q, p, therefore q
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the logical form of modus tollens?
If p then q, p, therefore q
If not p then not q, q, therefore p
If q then p, not p, therefore not q
If p then q, not q, therefore not p
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In modus tollens, if 'if p then q' is true and 'not q' is true, what can be concluded?
q is false
q is true
p is false
p is true
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which row in the truth table confirms the validity of modus tollens?
Fourth row
Third row
Second row
First row
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of using a truth table in deduction rules?
To show the number of premises
To prove that all arguments are invalid
To list all possible arguments
To visually demonstrate the validity of an argument
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