Assertion: isometry | /r/HasProperty | a combination of an isometry
Facets:
Source sentences:
text: for any point group: the group of all isometries which are a combination of an isometry in the point group and a translation; for example, in the case of the group generated by inversion in the origin: the group of all translations and inversion in all points; this is the generalized dihedral group of R3, Dih(R3).