Syllogisms Flashcards
A subject-predicate proposition that asserts or denies a relationship between a subject class and a predicate class, four kinds A,E,I,O
Categorical Propositions
An argument containing exactly three categorical propositions, two of them premises, one a conclusion
Syllogism
The categorical proposition “A”, having the form All S are P (ex. all sinners are betrayers)
Universal Affirmation
The categorical proposition “E”, having the form No S are P (ex. no chess players are imbecciles)
Universal Negitive
The categorical proposition “I”, having the form some S are P (ex. some men are chauvinists)
Particular Affirmation
The categorical proposition “O”, having the form some S are not P (ex. some politicians are not theives)
Particular Negitiive
The classification of a syllogism depending of the kinds of propositions (A,E,I,O) it contains
Mood
The predicate of a syllogism’s conclusion
Major Term
The subject of a syllogism’s conclusion
Minor Term
Term used in a syllogism’s premisses but not in its conclusion
Middle Term
The positions of the middle term of a syllogism, the figures are: 1=SS 2=PP 3=SP 4=PS
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