Definition of logic:
(n) :
a method of human
thought that involves thinking in a
linear, step-by-step manner about how a problem can be solved. Logic is the basis of many principles including the
scientific method; the mathematical study of relationships between rigorously
defined concepts and of
proof of
statements
"logic is the art of the necessary consequence, and, as such, is very dependent on initial conditions. --Richard L Kempe"