Assertion: fetter | /r/CapableOf | write his dissertation
Facets:
value: on population theory
type: OTHER
Source sentences:
text: He wrote his dissertation on population theory, which he saw as part of a larger theory of welfare, and devoted himself thereafter to the development of a general theory of value and welfare.
text: He wrote his dissertation on population theory, which he saw as part of a larger theory of welfare, and devoted himself thereafter to the development of a general theory of value and welfare.