Displaying similar documents to “Affine and projective generalization of Wallace lines.”

Abstract linear dependence.

Dogaru, O., Doroftei, M., Ţevy, I., Dogaru, V. (1998)

Balkan Journal of Geometry and its Applications (BJGA)

Similarity:

Pascal’s Theorem in Real Projective Plane

Roland Coghetto (2017)

Formalized Mathematics

Similarity:

In this article we check, with the Mizar system [2], Pascal’s theorem in the real projective plane (in projective geometry Pascal’s theorem is also known as the Hexagrammum Mysticum Theorem)1. Pappus’ theorem is a special case of a degenerate conic of two lines. For proving Pascal’s theorem, we use the techniques developed in the section “Projective Proofs of Pappus’ Theorem” in the chapter “Pappus’ Theorem: Nine proofs and three variations” [11]. We also follow some ideas from Harrison’s...

Homography in ℝℙ

Roland Coghetto (2016)

Formalized Mathematics

Similarity:

The real projective plane has been formalized in Isabelle/HOL by Timothy Makarios [13] and in Coq by Nicolas Magaud, Julien Narboux and Pascal Schreck [12]. Some definitions on the real projective spaces were introduced early in the Mizar Mathematical Library by Wojciech Leonczuk [9], Krzysztof Prazmowski [10] and by Wojciech Skaba [18]. In this article, we check with the Mizar system [4], some properties on the determinants and the Grassmann-Plücker relation in rank 3 [2], [1], [7],...