Assertion: complex number's value | /r/CapableOf | use imaginary unit
Facets:
value: in this case
type: TEMPORAL
Source sentences:
text: The case of even v (and, hence, odd u) cannot be treated this way within the reals, since there is no real number x such that x2k = −1, the value of bu/v in this case must use the imaginary unit i, as described more fully in the section § Powers of complex numbers.