الخميس، 26 أبريل، 2012

Practical logic - 1

To read : Practical Logic - 0 

Logic as a science , most related to any other science has main 8 basic principles .
But why logic ? because i see its the true and sufficient gate to organized thinking and valuable communication between people.
As the Author of ( being logical : a guide to good thinking ) said about the target of the book : " The ideal is to assimilate these principles to the point where they become like second nature to you, smoothly guiding your thought without your
having to refer consciously to them. "



The 1st basic principle is : the first principles ;there are 4 elementary principles of logic :

THE PRINCIPLE OF IDENTITY
Stated: A thing is what it is.
ex. An apple is an apple. It is not an orange

THE PRINCIPLE OF THE EXCLUDED MIDDLE
Stated: Between being and nonbeing there is no middle
state.
ex. The lamp sitting on my desk is either really there or it is not.

THE PRINCIPLE OF SUFFICIENT REASON
Stated: There is a sufficient reason for everything.
"the principle of causality." It states that everything that actually exists in the physical universe has an explanation for its existence.

THE PRINCIPLE OF CONTRADICTION
Stated: It is impossible for something both to be and not be
at the same time and in the same respect.
ex. x=0 or x=1 it cant be x=0=1. , or : i can't be black and white in the same time .


Hapy
هبه يونس النيل

Author:

I am a whole universe 

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