Friday 20 April 2012

SYLLOGISM

Syllogism refers to logical reasoning where you arrive at a conclusion by looking at two other premises or ideas.(NOUN)

The Basic Elements

The standard syllogism must contain three and only three propositions, two of which are premises; the other is the conclusion. The two premises and the conclusion share three and only three terms. In the syllogism above, the three terms are men, mortals, and SocratesSocrates in the conclusion and the second premise; mortal in the conclusion and the first premise; and men (or man) in the two premises. Each appears twice, but never twice in the same proposition. Each term must mean the same thing, that is to say must be univocal. For example, "mortal" in the conclusion and the premise must mean the same thing. Thus, a syllogism is an argument having two premises and a conclusion with the subject term of the conclusion in one of the premises, the conclusion's predicate term in the other premise, and a third term in both premises. The third term of the premises must never appear in the conclusion.

In class, i have to prepared my own syllogism. This is my syllogism regarding to the cases of Julius Caesar :

Caesar is an ambitious
Though the poor have cried,Caesar have wept,
Caesar brought Captives,
home to Rome,
Thus, Caesar is not an ambitious man.

The other example of syllogism are : 
  •  All mammals are warm-blooded, all black dogs are mammals, therefore, all black dogs are warm-blooded.
  • If you know all squares are rectangles and all rectangles are shapes, and you deduce from this that all squares are shapes

  • Some mammals are cows, all humans are mammals,so, some humans are cows.



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