Common sense differs from person to person. From my experience, one man s absurdity may be another man s common sense. Logic is not founded on opinion. Computer programmers use complex forms of logic. Not all logic is complex.
Logic is like math.
Scientists use advanced mathematics, while ordinary people use simple math. Without knowing it, you use simple logic throughout the day. No, that is psychology the study of the way humans think and feel. The science of logic has more to do with arguments themselves. Logic is the science of correct reasoning.