First of all, do you
know what does the term "logic" mean? First, let me explain. Logic comes from
a Greek word, "logos". "Logos" has a variety of meanings, such as "reason", "definition",
and "rule". Maybe you still can't catch the real meaning of logic with the number
of possible meanings that "logos" has. Soon after, "logic" is commonly defined
as "the laws of thought", "the rules of right reasoning", "the principles of valid
argumentation," and "the study of truths (true statements) based entirely on the
terms they contain."
Logic is seemingly very complicated and difficult after you have read the
above definitions. Scroll up to the top, do you remember the example given by
me at the very beginning? Actually, logic is not hard at all. Once you know how
it works out, you'll find that it is simple and easy.
= 
,
then 
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