Science is not formal logic-it needs the free play of the mind in as great a degree as any other creative art.… — Max Born Copy Share Image
“In formal logic, a contradiction is the signal of a defeat; but in the evolution of real knowledge it marks the first… — Alfred North Whitehead Copy Share Image
[Aristotle formal logic thus far (1787)] has not been able to advance a single step, and hence is to all appearances closed… — Immanuel Kant Copy Share Image
“the key-exercise will be Formal Logic. It is here that our curriculum shows its first sharp divergence from modern standards. The disrepute… — Dorothy L. Sayers Copy Share Image
Formal logic is mathematics, and there are philosophers like Wittgenstein that are very mathematical, but what they're really doing is mathematics -… — Lawrence M. Krauss Copy Share Image
In [Aristotle's] formal logic, thought is organized in a manner very different from that of the Platonic dialogue. In this formal logic,… — Herbert Marcuse Copy Share Image
![“[Aristotle formal logic thus far (1787)] has not been able to advance a single step, and hence is to all appearances closed and completed.” quote by Immanuel Kant](https://sms4smile.com/quotes/img-quotes/e14/immanuel-kant-532_able_aristotle-formal-logic-thus-far-1787-has_717360.jpg)
![“In [Aristotle's] formal logic, thought is organized in a manner very different from that of the Platonic dialogue. In this formal logic, thought is indifferent toward its objects. Whether they are mental or physical, whether they pertain to society or to nature, they become subject to the same…” quote by Herbert Marcuse](https://sms4smile.com/quotes/img-quotes/520/herbert-marcuse-3589_abstraction_in-aristotle-s-formal-logic-thought-is-o_2545308.jpg)