logic vs reason

logic

verb
  • To apply logical reasoning to. 

  • To engage in excessive or inappropriate application of logic. 

  • To overcome by logical argument. 

adj
  • logical 

noun
  • It's hard to work out his system of logic. 

  • The study of the principles and criteria of valid inference and demonstration. 

  • The mathematical study of relationships between rigorously defined concepts and of mathematical proof of statements. 

  • The part of a system (usually electronic) that performs the boolean logic operations, short for logic gates or logic circuit. 

  • 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. 

  • A formal or informal language together with a deductive system or a model-theoretic semantics. 

  • Any system of thought, whether rigorous and productive or not, especially one associated with a particular person. 

reason

verb
  • To find by logical process; to explain or justify by reason or argument. 

  • To support with reasons, as a request. 

  • To arrange and present the reasons for or against; to examine or discuss by arguments; to debate or discuss. 

  • To persuade by reasoning or argument. 

  • To deduce or come to a conclusion by being rational 

  • To overcome or conquer by adducing reasons. 

  • To perform a process of deduction or of induction, in order to convince or to confute; to argue. 

noun
  • That which causes something: an efficient cause, a proximate cause. 

  • An excuse: a thought or a consideration offered in support of a determination or an opinion; that which is offered or accepted as an explanation. 

  • A premise placed after its conclusion. 

  • A motive for an action or a determination. 

  • Rational thinking (or the capacity for it); the cognitive faculties, collectively, of conception, judgment, deduction and intuition. 

How often have the words logic and reason occurred in a corpus of books? (source: Google Ngram Viewer )