Logic- Greek word ‘logos’ which means thought, word, speech, science. Founded by Aristotle around 384-322 B.C. through his famous philosophical masterpiece “organon”
Organon- the universal rational instrument for the acquisition of philosophical knowledge.
Logic is about the attainment of truth. It is the art and science of correct thinking. Thus, thinking and reasoning.
Thinking- it means mental operations or the process of drawing out conclusions from previously known data.
Correct Thinking- thinking with the right procedure.
Language
Functions:
Head- Cognition
Heart- Affection
Guts- Direction
Multiplicity of Language:
1.Heuristic- for giving instructions
2.Imaginative- for literacy expression
3.Ideation- for expressing ideology
4.Manipulative- for others to make things done
Types of Logic:
1.Formal- refers to the correctness of structure, sequence and rules.
2.Material- refers to the subject matter, content or truth.
Logic of Concept
Simple Apprehension- act of the mind wherein it understands or comprises knowledge on the nature or essence of a thing without affirming or negating anything or also called “Ideogenesis.”
Idea- deduced from the Greek word for ‘Image’- representation of a thing.
Phantasm- sensible representation of the material features of a thing.
Concept- representation of an object by the Intellect.
Word- conventional sign that signifies thoughts or concept.
Types of Concept:
1.First Intention- we understand a thing according to reality.
2.Second Intention- we understand a thing not only in reality but also how it is in our minds.
3.Concrete- expresses a form and a subject.
4.Abstract- expresses only a form.
5.Absolute- complete substance endowed with its independent reality.
Term- from the Latin word Terminus meaning external sign of a concept.
Logical properties of terms
Comprehension/Connotation- sum-total of all the qualities/elements of attributes that comprises a meaning of a term.