New York City Category Theory Seminar
Something Old, Something New, Something Borrowed, ...
Next F.E.J. Linton • Wesleyan Univ. Math/CS Emeritus

  Two open Vs that meet: anchor points distinct, but closer than 2× finger-height  If each finger height exceeds half the distance between the points on the x-axis, the two Vs will intersect nontrivially, and otherwise not; this is worth remembering for later.