Cassius Jackson Keyser Quote

Their [mathematics and science] combined scope is the two-fold world of the Actual and the logically Possible.


The Meaning of Mathematics, Scripta Mathematica, Volume I, Number 1, September, 1932 (p. 26)


Their [mathematics and science] combined scope is the two-fold world of the Actual and the logically Possible.

Their [mathematics and science] combined scope is the two-fold world of the Actual and the logically Possible.

Their [mathematics and science] combined scope is the two-fold world of the Actual and the logically Possible.

Their [mathematics and science] combined scope is the two-fold world of the Actual and the logically Possible.