The imaginary expression √(-a) and the negative expression -b, have this resemblance, that either of them occurring as the solution of a… — Augustus De Morgan Copy Share Image
Imagine a person with a gift of ridicule [He might say] First that a negative quantity has no logarithm; secondly that a negative quantity… — Augustus De Morgan Copy Share Image
But the gambling reasoner is incorrigible: if he would but take to squaring the circle, what a load of misery would be saved. — Augustus De Morgan Copy Share Image
Mathematicians care no more for logic than logicians for mathematics. — Augustus De Morgan Copy Share Image
As to writing another book on geometry [to replace Euclid] the middle ages would have as soon thought of composing another New Testament. — Augustus De Morgan Copy Share Image
“The genius of Laplace was a perfect sledge hammer in bursting purely mathematical obstacles; but, like that useful instrument, it gave neither finish nor… — Augustus De Morgan Copy Share Image
I did not hear what you said, but I absolutely disagree with you. — Augustus De Morgan Copy Share Image
During the last two centuries and a half, physical knowledge has been gradually made to rest upon a basis which it had not before.… — Augustus De Morgan Copy Share Image
I am perfectly convinced that I have both seen, and heard in a manner which should make unbelief impossible, things called spiritual which cannot… — Augustus De Morgan Copy Share Image
The imaginary expression √(-a) and the negative expression -b, have this resemblance, that either of them occurring as the solution of a problem indicates… — Augustus De Morgan Copy Share Image
All existing things upon this earth, which have knowledge of their own existence, possess, some in one degree and some in another, the power… — Augustus De Morgan Copy Share Image
The sacred writings excepted, no Greek has been so much read and so variously translated as Euclid. — Augustus De Morgan Copy Share Image
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