Propositional Logic Part 1

Question 1

How is logic a science?

Answer 1

It is a science because of systematic approach and because it has truth as it’s object.

Question 2

What are the first principles?

Answer 2

Principle of identity.
Principle of excluded middle
Principle of sufficient reason
Principle of contradiction

Question 3

What is the operation of the human mind

Answer 3

Simple apprehension
Judgement
Inferences/reasoning

Question 4

Explain the previous question?

Answer 4

This is talking about how the human mind operates..

Simple apprehension: Human beings grasp the nature of things and form concepts about them. E.g perceiving a table.

Judgment: whereby concepts relate to another .. we form judgement when terms are related to another by affirmation or denial.

Inferences/Reasoning: we then arrive at the knowledge of the unknown from the knowledge of the known.

Question 5

Explain the Principle of identity

Answer 5

Principle of identity: this States that a thing is what it is and not another thing.

Question 6

Explain the Principle of excluded middle.

Answer 6

This States that there is no middle state between being and non being

Question 7

Explain the Principle of sufficient reason.

Answer 7

This States that there is sufficient reason for everything that exist. Also called the principle of casuality

Question 8

Explain the Principle of contradiction.

Answer 8

This States that it is impossible for something to be and not be at the same time and same manner.

Question 9

Why do the first principles dont need demonstration.?

Answer 9

Because they are self evident.

Question 10

What are the four causes

Answer 10

Material cause.
Efficient cause.
Formal cause.
Final cause.