Assertion: cube | /r/HasAspect | 6 2-dimensional faces
Facets:
Source sentences:
text: A hypercube of dimension n has 2n sides (a 1-dimensional line has 2 endpoints; a 2-dimensional square has 4 sides or edges; a 3-dimensional cube has 6 2-dimensional faces; a 4-dimensional tesseract has 8 cells).