False
Critical thinking is here assumed to be reasonable reflective thinking focused on deciding what to believe or do. This rough overall definition is, we believe, in accord with the way the term is generally used these days. Under this interpretation, critical thinking is relevant not only to the formation and checking of beliefs, but also to deciding upon and evaluating actions. It involves creative activities such as formulating hypotheses, plans...

False
Critical thinking is here assumed to be reasonable reflective thinking focused on deciding what to believe or do. This rough overall definition is, we believe, in accord with the way the term is generally used these days. Under this interpretation, critical thinking is relevant not only to the formation and checking of beliefs, but also to deciding upon and evaluating actions. It involves creative activities such as formulating hypotheses, plans, and counterexamples; planning experiments; and seeing alternatives. Furthermore critical thinking is reflective -- and reasonable.
http://www.criticalthinking.ne...

Logic is the study of the principles of valid inference and demonstration.
The field of logic ranges from core topics such as the study of validity, fallacies and paradoxes, to specialized analysis of reasoning using probability and to arguments involving causality. Logic is also commonly used today in argumentation theory.
Traditionally, logic is considered a branch of philosophy, a part of the classical trivium of grammar, logic, and rhetoric.
http://en.wikipedia.org/wiki/L...
And you asked another great question.

Critical thinking would be the process in which you turn what you're thinking about into a logical explaination.

Critical Thinking = logical reasoning