Assertion: improper rotation | /r/CapableOf | call rotoinversion
Facets:
value: depending on context
type: OTHER
value: in geometry
type: LOCATION
Source sentences:
text: In geometry, an improper rotation, also called rotation-reflection, rotoreflection, rotary reflection, or rotoinversion is, depending on context, a linear transformation or affine transformation which is the combination of a rotation about an axis and a reflection in a plane perpendicular to that axis.