In your own words, define "logic." your answer should be 5 - 10 sentences.

In my point of view,logic is like common sense and own knowledge.Like each person has their logic sense on every suitation that occurs,like a problem.
Its like reasoning,includes decisions and principles,explanation,p.o.v and understanding.

Logic can be regarded as the existence of valid arguments . A valid arguments can be regarded as the relationship between an inference and its conclusion.
In today's world there is no exact definition of the word logic. Yet, logic is represented in various forms. These such as: the expressing of one's ideas, in a logical form, or neutral and correct manner. Normally logic has within its understanding, the classification of arguments and their validity.