Chapter 7 Löbner

What type of law did Aristotle create in his work "Metaphysics"?

• Attribution

• Contradiction

• Respect

• Logic

What type of does entailment this image represent?

• Unilateral entailment

• Mutual entailment

• Logical entailment

• Reversal entailment

A. He is the father of my mother. ⇔ B. He is my maternal grandfather

This is an example of...

• Logical entailment

• Logical equivalence

• Logical contrariety

• Logical contradiction

A. Everyone will win. B. Someone will lose.

This is an example of...

• Logical entailment

• Logical equivalence

• Logical contrariety

• Logical contradiction

A. Today is Monday. B. Today is Tuesday

This is an example of...

• Logical entailment

• Logical equivalence

• Logical contrariety

• Logical contradiction

What is the proper negation for the sentence 'Everybody knows her'?

• She is known by everybody

• She is not known by anybody

• Not everybody knows her

• Nobody knows her

What are the important assumptions for logically true and false sentences?

• The principle of polarity and law of contradiction

• The principle of polarity and the semantics of the language

• The law of contradiction and semantics of the language

• The law of excluded middle and the law of contradiction

Are logical relations and meaning relations always connected?

• Yes

• No