Argument Quote by Andre-Marie Ampere

Logic is the procession or proportionate unfolding of the intuition; but its virtue is as silent method; the moment it would appear as propositions,…

— Ralph Waldo Emerson

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

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

Logic, it is often said, is the study of valid arguments. It is a systematic attempt to distinguish valid arguments from invalid arguments

— Anonymous

Logic is in the eye of the logician.

— Gloria Steinem

Since reasoning , or inference, the principal subject of logic, is an operation which usually takes place by means of words , and in…

— John Stuart Mill

Logic is the technique by which we add conviction to truth.

— Jean de la Bruyere

“define logic as the science which treats of the operations of the human understanding in the pursuit of truth.”

— John Stuart Mill

“The employment of the word Logic to denote the theory of Argumentation, is derived from the Aristotelian, or, as they are commonly termed, the…

— John Stuart Mill

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

— Joseph Joubert

“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