Assertion: strip's side | /r/HasProperty | 0 ∼
Facets:
Source sentences:
text: Topologically, the Möbius strip can be defined as the square [ 0 , 1 ] × [ 0 , 1 ] {\displaystyle \times } with its top and bottom sides identified by the relation ( x , 0 ) ∼ ( 1 − x , 1 ) {\displaystyle (x,0)\sim (1-x,1)} for 0 ≤ x ≤ 1 {\displaystyle 0\leq