Assertion: split complex number | /r/HasProperty | referred
Facets:
value: as "musean numbers"
type: OTHER
value: at times
type: TEMPORAL
Source sentences:
text: Split-complex numbers and their higher-dimensional relatives (split-quaternions / coquaternions and split-octonions) were at times referred to as "Musean numbers", since they are a subset of the hypernumber program developed by Charles Musès.