Assertion: function's definition | /r/HasProperty | the relation among sets
Facets:
Source sentences:
text: Finally, the modern definition of the function being the relation among sets was first introduced in 1908 by Godfrey Harold Hardy where there is a relation between two variables x {\displaystyle x} and y {\displaystyle y} such that "to some values of x {\displaystyle x} at any rate correspond values of y {\displaystyle y} .