2 x 3 Zero sum game
Author: Don Bindner

Z = (1, 0)
C0 = Point(yAxis)
B0 = Point(yAxis)
A0 = Point(yAxis)
vert = Line(Z, yAxis)
C1 = Point(vert)
SegC = Function((y(C1) - y(C0)) x + y(C0), 0, 1)
B1 = Point(vert)
SegB = Function((y(B1) - y(B0)) x + y(B0), 0, 1)
A1 = Point(vert)
SegA = Function((y(A1) - y(A0)) x + y(A0), 0, 1)
a = Segment(A0, A1)
L = Function(If[SegA(x) < SegB(x) ∧ SegA(x) < SegC(x), SegA(x), If[SegB(x) < SegC(x), SegB(x), SegC(x)]], 0, 1)
b = Segment(B0, B1)
U = Function(If[SegA(x) > SegB(x) ∧ SegA(x) > SegC(x), SegA(x), If[SegB(x) > SegC(x), SegB(x), SegC(x)]], 0, 1)
c = Segment(C0, C1)
B = Intersect(a, c)
A = Intersect(b, c)
C = Intersect(a, b)