Assertion: matrix | /r/HasProperty | important
Facets:
value: very
type: DEGREE
value: in expressing and discussing problems
type: TEMPORAL
value: in the study of control theory
type: OTHER
Source sentences:
text: Matrices over a polynomial ring are important in the study of control theory.
text: Matrices, though they may appear weird objects at first, are a very important tool in expressing and discussing problems which arise from real life cases.