Assertion: commutative algebra | /r/HasProperty | studied in its most basic form
Facets:
value: as a branch of topology
type: MANNER
value: in the 1800s
type: TEMPORAL
Source sentences:
text: Homological algebra began to be studied in its most basic form in the 1800s as a branch of topology, but it wasn't until the 1940s that it became an independent subject with the study of objects such as the ext functor and the tor functor, among others.