[Aristotle formal logic thus far (1787)] has not been able to advance a single step, and hence is to all appearances closed and completed. — Immanuel Kant 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, thought is indifferent toward its objects. Whether they are mental or physical, whether they pertain to society or… — Herbert Marcuse Copy Share Image