Abstract
Introduction In [3] Larry Hoehn gave a proof of a theorem that is known as the Theorem of Pratt-Kasapi [1]. This note collects some ideas on how to generalize the theorem so that it holds not only for the pentagram but also for many other figures of the Euclidean plane and their duals. THEOREM 1. In a pentagrarn A1 A2 A3 A4 A5 with B1, B2, B3, B4, B5 as the points of intersection of its sides (FIGURE 1), the Pratt identity holds:
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