Assertion: function's element | /r/HasProperty | y)\in g
Facets:
Source sentences:
text: In the frequent case where X and Y are subsets of the real numbers (or may be identified with such subsets, e.g. intervals), an element ( x , y ) ∈ G {\displaystyle (x,y)\in G} may be identified with a point having coordinates x, y in a 2-dimensional coordinate system, e.g. the Cartesian plane.