Assertion: parabola's graph | /r/HasAspect | discontinuity
Facets:
value: because of the fact
type: CAUSE
value: at 0
type: OTHER
Source sentences:
text: The graph drawn in the xb-plane has a discontinuity at x = 0.
text: The graph of has no discontinuity because of the fact that the parabola always has real roots.