G. B. Halsted Quote
It is something to know what proof is and what it is not; and where can this be better learned than in a science [geometry] which has never had to take one footstep backward?
Proceedings of the American Association for the Advancement of Science, The Message of Non-Euclidean Geometry (p. 371)
![It is something to know what proof is and what it is not; and where can this be better learned than in a science [geometry] which has never had to...](https://img.libquotes.com/pic-quotes/v1/g-b-halsted-quote-lbq1r1n.jpg)
![It is something to know what proof is and what it is not; and where can this be better learned than in a science [geometry] which has never had to...](https://img.libquotes.com/pic-quotes/v2/g-b-halsted-quote-lbq1r1n.jpg)
![It is something to know what proof is and what it is not; and where can this be better learned than in a science [geometry] which has never had to...](https://img.libquotes.com/pic-quotes/v3/g-b-halsted-quote-lbq1r1n.jpg)
![It is something to know what proof is and what it is not; and where can this be better learned than in a science [geometry] which has never had to...](https://img.libquotes.com/pic-quotes/v4/g-b-halsted-quote-lbq1r1n.jpg)
