Reasoning

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Author:
mgalang
ID:
261177
Filename:
Reasoning
Updated:
2014-03-01 16:29:29
Tags:
Logic
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Description:
Reasoning-Commentary
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  1. Syllogism (Contains three terms: Minor Term, Major Term, and Middle Term)
    3 propositions: two premises and a conclusion
  2. The Minor Term (S); The Major Term (P); The Middle Term (M)
    - is the Subject of the Conclusion. (The Minor Premise is the Premise containing the Minor Term)  

    - is the Predicate of the Conclusion. (The Major Premise is the Premise containing the Major Term)

    - is the Term not in the Conclusion but in the Premises
  3. All Men are Mortal. ->  Major Premise
    Socrates is a man. -> Minor Premise
    Therefore, Socrates is mortal. > Conclusion
    • Men-M
    • Mortal-P

    • Socrates-S
    • man-M

    • Socrates-S
    • mortal-P
  4. In order for a Conclusion to be TRUE
    - All Terms must be CLEAR. (Simple Apprehension) - All Propositions must be TRUE. (Judgment) - The Form of the Syllogism must be VALID. (Reasoning)
  5. Checking the Validity of the Syllogism Syllogisms have Mood and Figure:
    The Mood of a Syllogism is the sum of the three “types” of its Propositions:
  6. Example:
    • All men are mortal - “A” (Universal Affirmative)
    • Socrates is a man - “A”
    • Therefore, Socrates is mortal - “A”
    • Mood = AAA

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