Assertion: rational tangle | /r/HasProperty | a 2-tangle
Facets:
Source sentences:
text: A rational tangle is a 2-tangle that is homeomorphic to the trivial 2-tangle by a map of pairs consisting of the 3-ball and two arcs.
text: A rational tangle is a 2-tangle that is homeomorphic to the trivial 2-tangle by a map of pairs consisting of the 3-ball and two arcs.