Abstraction Quote by Herbert Marcuse

Logic is the anatomy of thought

— John Locke

In Aristotle the mind, regarded as the principle of life, divides into nutrition, sensation, and faculty of thought, corresponding to the inner most important…

— Wilhelm Wundt

“Aristotle's later view of the relationship between mathematics and Nature could not have been more different. He wanted to rescue physical science from the…

— John D. Barrow

Logic takes care of itself; all we have to do is to look and see how it does it.

— Ludwig Wittgenstein

“This, until a better can be suggested, may serve as a substitute for the Categories of Aristotle considered as a classification of Existences. The…

— John Stuart Mill

“Aristotle draws a sharp dividing-line between the activities of the physicist and those of the mathematician. The mathematician limits his enquiry to the quantifiable…

— John D. Barrow

It has been a long road from Plato's Meno to the present, but it is perhaps encouraging that most of the progress along that…

— Allen Newell

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

Aristotle can be regarded as the father of logic. But his logic is too scholastic, full of subtleties, and fundamentally has not been of…

— Immanuel Kant

Logic is a wonderful thing but doesn't always beat actual thought.

— Terry Pratchett

“Thinking in art and morals and even mathematics is neither the reflection in consciousness of a mechanical order in the brain nor the tracing…

— Brand Blanshard

“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