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Worksheets

Logic

Total questions: 26

Worksheet time: 24mins

Name
Class
Date
1.

All X are Y is an example of (a)   affirmative.

2.

This symbol connotes that two statements are materially equivalent or equivalent in truth value, they are either both true or both false.

a)

b)

c)

“≡”

d)

∴∼

3.

The (a)   syllogism is a type of syllogism wherein the major premise is in a disjunctive proposition while the minor premise and the conclusion are both in categorical propositions.

4.

To (a)   means “to lay down the markers or limits.”

5.

What kind of argument is this?

"All men are mortals.

Socrates is a man.

Socrates is mortal. "

a)

inductive

b)

deducive

c)

deductive

d)

inducive

6.

(a)   is a “science” because it is a body of knowledge derived from reasoned demonstration of causes and reduced to a system. It is not based on mere opinions or

hypotheses.

7.

You cannot serve both God and Satan simultaneously.

But you serve God.

Therefore, you do not serve Satan.


The syllogism above is:

a)

conjuncive

b)

conjunctive

c)

disjunctive

d)

disjuncive

8.

(a)   is a systematized body of knowledge about the principles and laws of correct inferential reasoning.

9.

(a)   is the similarity in terms of meaning between propositions.

10.

It is the standard expression of argument in Aristotelian logic, it is a basic form of argument wherein it is arranged orderly so as to show the structure or form of the argument and important terms and propositions to facilitate logical analysis.

a)

inference

b)

argument

c)

syllogism

d)

tautology

11.

It is the act by which the intellect relates or combines ideas or concepts.



(a)  

12.

It is the act by which the intellect, from truths previously known, derives and pronounces the truth of another proposition based on these truths.

(a)  

13.

(a)   is the first one who coined "philosopho" from which the term Philosophy is derived.

14.

___________ is a process of reasoning which proceeds from specific or particular instances to the formulation of general or universal principles or statements.

a)

deductive

b)

reductive

c)

inducive

d)

inductive

15.

All X are Y

Some Z are X

Some Z are Y

The argument above applies what law?

a)

Dictum ad populum

b)

dictum de nullo

c)

dictum de omni

d)

dictum de omnium

16.

Nothing is better than God.

1 centavo is better than nothing.

1 centavo is better than God.

The argument above commits a fallacy of:

a)

four-term construction

b)

blasphemy

c)

equivocation

d)

illicit minor term

17.

A universal that expresses the whole essence of the subject. It comprises both the Genus and Specific Difference.

(a)  

18.

A universal that expresses a feature that is not part of the essence of the subject, nor necessarily associated with it, but is associated with the subject merely in a factual and contingent manner.

(a)  

19.

If the suspect is found guilty, then he will serve time in prison.

But he will not serve time in prison.

Ergo, he was found guilty.


What kind of syllogism is shown by the example above?

(a)  

20.

This law states that whatever is affirmed universally, in a formal manner, of a logical whole or class, should also be affirmed of its logical parts.



(a)  

21.

The (a)   syllogism contains a conditional proposition as a major premise

22.

The teacher is either present or absent.

But he is absent.

Therefore, he is not present.


The disjunctive syllogism above is:

a)

fixed

b)

broad

c)

strict

d)

lenient

23.

It is the mental or intellectual image or representation of the object, because it represents the object of thing in the intellect.



(a)  

24.

(a)   is a process of reasoning which proceeds from universal or general laws, principles or statements to particular instances or propositions.

25.

Idea exists in the mind, but when it is expressed or manifested verbally, it then becomes a _____________.

a)

vision

b)

sentence

c)

term

d)

reality

26.

No cat has two tails.
My cat has one more tail than no cat.
Therefore, my cat has three tails.

Is the syllogism above valid? Explain your answer. Your explanation must be uploaded to our Google Classroom.

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