Assertion Quote by Bertrand Russell

What eludes logic is the most precious element in us, and one can draw nothing from a syllogism that the mind has not put…

— Andre Gide

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

— Peter Sloterdijk

“for example, to see whether in the developing subject, i.e. the child, integers are directly constructed starting from class logic by biunivocal correspondence and…

— Jean Piaget

“Logic is the science not of external forms of thought, but of the laws of development "of all material, natural and spiritual things", i.e.,…

— Vladimir Ilyich Lenin

“Logic was, formerly, the art of drawing inferences; it has now become the art of abstaining from inferences, since it has appeared that the…

— Bertrand Russell

Logic should no longer be considered an elegant and learned accomplishment; it should take its place as an indispensable study for every well-informed person.

— William Stanley Jevons

“Logic may be conceived as ruling out what is absolutely impossible, and thus determining the field of what in the absence of empirical knowledge…

— Morris F. Cohen

Logic is the last scientific ingredient of Philosophy; its extraction leaves behind only a confusion of non-scientific, pseudo problems.

— Rudolf Carnap

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 is the anatomy of thought

— John Locke

“Mathematics had never had more than a secondary interest for him [her husband, George Boole]; and even logic he cared for chiefly as a…

— Mary Everest Boole

“Logic is something the mind has created to conceal its timidity, a hocus-pocus designed to give formal validity to conclusions we are willing to…

— Anonymous