logic

If we say 'Not all plants are trees', what could be the obverse?

• Some plants are trees.

• No plants are trees.

• All plants are trees.

• Some plants are not non-trees.

The conclusion of a syllogism is influenced by what?

• Only the minor premise

• External evidence

• Only the major premise

• Both the major and minor premises

What must happen in mutation?

• No changes are needed.

• Only the major premise is changed.

• Minor premises must change only.

• There should be a change between major and minor premises.

In inversion, what must be changed about the subject?

• It is converted.

• It must be changed to its contradictory.

• It is removed.

• It stays the same.

In 'Some teachers are not females', what process could we use to change it?

• Inversion only

• Obversion and conversion

• Contraposition only

• Mutation only

Which of these is NOT one of the five categories to reduce?

• Imperfect figures

• Animal figures

• Moods

• Syllogisms

What type of conversion is used for 'All A are B'?

• Simple conversion

• Inversion

• Accidental conversion

• Obversion

What does contraposition combine?

• Reduction and conversion

• Mutation and opposition

• Obversion and extraction

• Obversion and conversion

What is the main goal of reduction?

• To change imperfect figures to perfect figures

• To simplify the syllogism

• To create more figures

• To confuse the logic

Which mood needs to be changed for accidental conversion?

• A-props

• I-props

• E-props

• O-props