The Nature Of Logic

1- Logic
The word 'logic' comes from the Greek word 'logos' which means 'thought' or 'reason'.So logic is a stay that has something to do with 'reason' or reasoning'.So logic is a study of reasoning.
2-Thinking
Thought or thinking may refer to any process that takes place in the mind of humen being.In thinking,there is no goal,no direction and no conclusion.The facts in thinking have no connection.
#For example,
To day is sunday.
The sky is blue.
I am hungry.
Birds are singing.
3-Reasoning
Reasoning is a special kind of Thinking in which the conclusion is drawn from the evidence or premise.
#For example,
It is raining.(premises)

 So I must take my unbrella(Conclusion)

All Myanmars are Polite.
All Shans are Myanmars.(premudes)

Therefore,all Shans are polite.(Conclusion)