Assertion: root's number | /r/HasAspect | real part
Facets:
Source sentences:
text: It leads to a whole new number system of complex numbers where numbers have a real part and an imaginary part (for example 5 + 3i or -20 - 40i).
text: Any non-zero number considered as a complex number has n different complex nth roots, including the real ones (at most two).