Table P-X
Perspectors.
Points available at the Kimberling's Encyclopedia ETC.
The ETC version: The 5549 points version of 2013.
The "Discoverer" database version: October 2013.
Last update: 2014-04-12

	Role	Kimberling Notation
1	Prespector of the Yff Central Triangle and Triangle ABC	X(177)   First Mid-Arc Point
2	Perspector and Homothetic Center of the Yff Central Triangle and the Intouch Triangle	X(174)   Yff Center of Conguence
3	Perspector and Homothetic Center of the Yff Central Triangle and the Excentral Triangle	X(173)   Congruent Isoscelizers Point
4	Perspector and Homothetic Center of the Yff Central Triangle and the Half-Cevian Triangle of the Nagel Point	X(236)
5	Prespector of the Yff Central Triangle and the External Moses Triangle of the Mixtilinear Incircles and the Excentral Circle of the Excentral Triangle	X(1)   Incenter