ersterQuadrant(x, y) = x ≥ 0 ∧ y ≥ 0
A = PointIn(ersterQuadrant)
obenRechtsVonA(x, y) = x ≥ x(A) ∧ y ≥ y(A)
B = PointIn(obenRechtsVonA)
v = Vector(A, B)
Text2: "A = " + (LaTeX[A]) + " \text{ und }  B = " + (LaTeX[B]) + ""
Hilfspunkt: (x(B), y(A))
f = Segment(A, Hilfspunkt)
g = Segment(Hilfspunkt, B)
Text1: "d(A, B)
= \sqrt{(" + (LaTeX[x(B)]) + " - " + (LaTeX[x(A)]) + ")^2 + (" + (LaTeX[y(B)]) + " - " + (LaTeX[y(A)]) + ")^2}
= \sqrt{" + (LaTeX[x(B) - x(A)]) + "^2 + " + (LaTeX[y(B) - y(A)]) + "^2}
= \sqrt{" + (LaTeX[(x(B) - x(A))^(2) + (y(B) - y(A))^(2)]) + "}"