# square of opposition

 Aristotle’s logic is called categorical logic. what are the 4 standard form categorical claims All S are PNo S are PSome S are PSome S are not P All S are P letter? A No S are P letter? E Some S are P letter? I Some S are not P letter O top left, top right, bottom left, bottom right letters? A, E, I, O left side of square Affirmitive Right side of square Negative Top Side of square Universal Bottom side of square Particular purpose of the square of opposition To find the truth values of other categorical claims! Relationship between E and I Contradictories Relationship between A and O Contradictories Relationship between A and E Contraries Relationship between I and O Subcontraries Rule of contraries The universal claims can‟t both be True Rule of contradictories The diagonal claims have opposite Truth Value Rule of subcontraries The particular claims can‟t both be False AuthorMorracantiger ID234434 Card Setsquare of opposition Descriptionweek three of philosphy Updated2013-09-12T07:53:36Z Show Answers