Assertion: möbius strip | /r/HasProperty | standard example
Facets:
Source sentences:
text: The Möbius strip is also a standard example used to illustrate the mathematical concept of a fiber bundle.
text: It is a standard example of a surface that is not orientable.
text: The Möbius strip is also a standard example used to show the mathematical idea of a fiber bundle.
text: It is a standard example of a surface which is not orientable.