Index of Trisection Pages
Abstract and Table of Contents
Coble
Sketch of
Proof for Coble Construction
2 Circles and 3 Lines:
Sketch of Proof for 2 circles and 3 lines Construction
3 Circles and 2 Lines:
Sketch of Proof
of 3 circles and 2 lines Construction
4 Circles:
Sketch of Proof
for 4 circles Construction
proof
that three circles is not enough
proof that two circles and two lines is not enough
Mohr-Mascheroni and Poncelet-Steiner
Sketch of
Proof for Mohr-Masheroni Construction
proof
that seven circles are needed
Sketch of
Proof for Poncelet-Steiner Construction
proof that eight lines are needed
for Martin Convention Construction
Villanova Home Page Opening Trisection Page revised 25 Sept 2009