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Logic

Authored by Alexa Alfonsín

Philosophy

9th Grade

Used 18+ times

Logic
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a LOGIC ARGUMENT?

A series of conclusions that support a premise.

A series of propositions called premises that try to provide support to another proposition: the conclusion.

A reason that supports a belief.

A method of reasoning that has two premises and one conclusion.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a PROPOSITION?

Claim or statement. Something that can be true or false

Reason that supports a conclusion

A proposition is a belief

"A, ante, bajo, cabe, con, contra, de, desde, en, entre, hacia, hasta, durante..."

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are PREMISES and CONCLUSION?

A premise is the last proposition from an argument and the conclusion is the reason why you believe that.

Premises are propositions that give proof, evidence and support to the conclusion: the belief.

Premises are propositions that try to prove that the conclusion is false.

If the premises are false the conclusion can be true.

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the difference beween a DEDUCTIVE argument and an INDUCTIVE argument?

Deductive arguments = conclusions that are necessarily true.

Inductive arguments = conclusions that are just probably true.

Deductive arguments = conclusions that are probably true.

Inductive arguments = conclusions that are just pnecessarily true.

Deductive argument = based on true premises.

Inductive argument = based on false premises.

Deductive arguments are good and inductive arguments are bad.

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is a SYLLOGISM?

Method of reasoning that has two premises and one conclusion.

Method of reasoning that has three propositions + conclusion.

Method of reasoning that can have many premises (more than two) but only one conclusion.

It is a kind of logic argument that has a conclusion that is just probably true.

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Choose the correct logic form for

“If I am Catholic, then I believe in God. I do not believe in God. Therefore, I am not Catholic”.

Modus Ponens:

(( p → q ) ∧ p) Ͱ q

Modus Tollens:

(( p → q ) ∧ ¬q) Ͱ ¬p

Disjunctive Syllogism:

(( p ∨ q ) ∧ (¬p) Ͱ q

Negation: ¬p

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Choose the correct logic form for:

“If you follow an Abrahamic Religion, then you are theist. If you are theist, then you believe in God. Therefore, if you follow an Abrahamic Religion, you believe in God”.

Modus Ponens:

(( p → q ) ∧ p) Ͱ q

Modus Tollens:

(( p → q ) ∧ ¬q) Ͱ p

Disjunctive Syllogism:

(( p ∨ q ) ∧ (¬p) Ͱ q

Hypothetical Syllogism:

(( p → q ) ∧ (q → r) Ͱ p → r

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