Tangle
= Tangle
{wiki=Knot_theory#Tangles}
A tangle is a proper embedding of arcs and circles in a three-ball with prescribed arc endpoints on its boundary. A two-string tangle has four boundary endpoints.
= Tangle
{wiki=Knot_theory#Tangles}
A tangle is a proper embedding of arcs and circles in a three-ball with prescribed arc endpoints on its boundary. A two-string tangle has four boundary endpoints.