LOGIC, n. The art of thinking and reasoning in strict accordance with the limitations and incapacities of the human misunderstanding. The basic of logic is the syllogism, consisting of a major and a minor premise and a conclusion --thusMajor Premise Sixty men can do a piece of work sixty times as quickly as one man.Minor Premise One man can dig a posthole in sixty seconds therefore --Conclusion Sixty men can dig a posthole in one second. This may be called the syllogism arithmetical, in which, by combining logic and mathematics, we obtain a double certainty and are twice blessed.