Cases Quote by John Stuart Mill

Logic is the science of the laws of thought, as thought,--that is of the necessary conditions to which thought considered in itself is a…

— Sir William Hamilton, 9th Baronet

As a science, logic institutes an analysis of the process of the mind in reasoning, and investigating the principles on which argumentation is conducted;…

— Richard Whately

Logic is the anatomy of thought

— John Locke

Logical reasoning is an argument which we have with ourselves and which reproduces internally the features of a real argument.

— Jean Piaget

Logic is essentially a tool for getting at truth; it is the tool, for without it no reasoning is possible in any field of…

— David Oderberg

Logic is to grammar what the sense of words is to their sound.

— Joseph Joubert

Reasoning is the mental tool that use to think with

— Bob Proctor

“What is reasoning ? It is the result of doing away with the vital distinction which separates subjectivity and objectivity. As a form of…

— Søren Kierkegaard

“Even in ordinary conversation, the ideas connected with the word Logic include at least precision of language, and accuracy of classification: and we perhaps…

— John Stuart Mill

Ordinarily logic is divided into the examination of ideas, judgments, arguments, and methods. The two latter are generally reduced to judgments, that is, arguments…

— Andre-Marie Ampere

Logic is the art of thinking well: the mind, like the body, requires to be trained before it can use its powers in the…

— Henry Home, Lord Kames

Logic is a large drawer, containing some useful instruments, and many more that are superfluous. A wise man will look into it for two…

— Charles Caleb Colton