Assertion: turn | /r/CapableOf | amount to the number of radians
Facets:
value: in half a turn
type: TEMPORAL
value: in order to make
type: PURPOSE
Source sentences:
text: In 2001, Robert Palais proposed using the number of radians in a turn as the fundamental circle constant instead of π, which amounts to the number of radians in half a turn, in order to make mathematics simpler and more intuitive.