Assertion: newton | /r/CapableOf | formulate distinction
Facets:
value: in his earliest optical work
type: TEMPORAL
value: thirdly
type: DEGREE
Source sentences:
text: Thirdly and finally, in his earliest optical work Newton began to formulate a distinction that would remain salient throughout his long intellectual career, contending that a philosopher must distinguish between a conclusion or claim about some feature of nature that is derived from experimental or observational evidence, and a conclusion or claim that is a mere “hypothesis”, a kind of speculation about nature that is not, or not yet anyway, so derived.