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Thursday, November 4, 2010

Syllogism

Meaning of syllogism:
This person is Politician's Syllogism
A syllogism or a logical appeal is a kind of logical argument in which one proposition is inferred from two others of a certain form.
Syllogisms are arguments that take several parts, typically with two statements which are assumed to be true (or premises) that lead to a conclusion. This takes the general form:
Major premise: A general statement.
Minor premise: A specific statement.
Conclusion: based on the two premises. There are three major types of syllogism:
Conditional syllogism: If A is true then B is true (If A then B).
Categorical syllogism: If A is in C then B is in C.
Disjunctive syllogism: If A is true, then B is false (A or B).
Also of note for syllogisms is:
Categorical propositions: Statements about categories.
Enthymeme: a syllogism with an incomplete argument.
Modus Ponens: If X is true then Y is true. X is true. Therefore Y is true.
Modus Tollens: If X is true then Y is true. Y is false. Therefore X is false.
Set Theory: The basics of overlapping groups.

Example of syllogism:
The president should be intelligent
The president should be articulate
Therefore: George W was taken out by a pretzel.

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