Clarifying Quote by Anonymous

All mathematics is tautology.

— Ludwig Wittgenstein

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

— John Stuart Mill

Any useful logic must concern itself with Ideas with a fringe of vagueness and a Truth that is a matter of degree.

— Norbert Wiener

Logic: The art of thinking and reasoning in strict accordance with the limitations and incapacities of the human misunderstanding.

— Ambrose Bierce

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

“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

Logic, n. The art of thinking and reasoning in strict accordance with the limitations and incapacities of the human misunderstanding. The basic of logic…

— Ambrose Bierce

The principles of logic and mathematics are true universally simply because we never allow them to be anything else. And the reason for this…

— A.J. Ayer

The fact that all Mathematics is Symbolic Logic is one of the greatest discoveries of our age; and when this fact has been established,…

— Bertrand Russell

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

“human beings have a remarkable ability to understand the logic of a thing without acting in accordance with that logic. And”

— Joshua Guess

“In this distinctive world, elusive quantities flash at the edge of conventional logic.”

— Peter Sloterdijk