Chapter 13 Flashcards

1
Q

What are the two quantitative rules for syllogisms?

A

if a term is distributed in the conclusion, then it must be distributed in the premises; the middle term must be distributed at least once

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2
Q

What are the three qualitative rules for syllogisms?

A

no conclusion can follow from two negative premises; if the two premises are affirmative, the conclusion must be affirmative; if either premise is negative, the conclusion must also be negative.

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