Assertion: algebra's set | /r/CapableOf | study whole class of structures
Facets:
value: at once
type: TEMPORAL
Source sentences:
text: Moreover, it frequently happens that different such structured sets (or structures) exhibit similar properties, which makes it possible, by a further step of abstraction, to state axioms for a class of structures, and then study at once the whole class of structures satisfying these axioms.