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Thursday, November 17, 2011

Structure of Logic



Mental Operation

Mental Product

External Sign

Simple Apprehension
Concept
Term
Judgment
Enunciation
Proposition
Reasoning
Argument
Syllogism

Simple Apprehension 
It is the act of the mind by which we grasp the essence of a thing.
It produces a concept or an idea.

Judgment
It is the act of the mind by which we compare two concepts and declare them to be either in agreement or disagreement with each other.
It produces the proposition, which is a statement expressing the truth.

Reasoning
It is the act of the mind by which we derive new truths from what is previously assumed to be true.

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