![Mathematics | Free Full-Text | The Structure of n Harmonic Points and Generalization of Desargues' Theorems | HTML Mathematics | Free Full-Text | The Structure of n Harmonic Points and Generalization of Desargues' Theorems | HTML](https://www.mdpi.com/mathematics/mathematics-09-01018/article_deploy/html/images/mathematics-09-01018-g005.png)
Mathematics | Free Full-Text | The Structure of n Harmonic Points and Generalization of Desargues' Theorems | HTML
![. The principles of projective geometry applied to the straight line and conic . Hence k, I, m are concurrent. This proof should be compared withthat given (Art. 36) for the correspondingtheorem in which the sides of the hexagonpass through two points. * This ... . The principles of projective geometry applied to the straight line and conic . Hence k, I, m are concurrent. This proof should be compared withthat given (Art. 36) for the correspondingtheorem in which the sides of the hexagonpass through two points. * This ...](https://c8.alamy.com/zooms/9/ad05ff9ec05f4755a613583fcd9d3de1/2chthty.jpg)
. The principles of projective geometry applied to the straight line and conic . Hence k, I, m are concurrent. This proof should be compared withthat given (Art. 36) for the correspondingtheorem in which the sides of the hexagonpass through two points. * This ...
![Go Geometry: Problem 824: Desargues' Theorem, Triangles in Perspective, Concurrent Lines, Collinear Points, Center, Axis, Perspector, Perspectrix Go Geometry: Problem 824: Desargues' Theorem, Triangles in Perspective, Concurrent Lines, Collinear Points, Center, Axis, Perspector, Perspectrix](http://gogeometry.com/school-college/p824-desargues-theorem-perspective-triangles-4.gif)
Go Geometry: Problem 824: Desargues' Theorem, Triangles in Perspective, Concurrent Lines, Collinear Points, Center, Axis, Perspector, Perspectrix
![Mathematics | Free Full-Text | The Structure of n Harmonic Points and Generalization of Desargues' Theorems | HTML Mathematics | Free Full-Text | The Structure of n Harmonic Points and Generalization of Desargues' Theorems | HTML](https://www.mdpi.com/mathematics/mathematics-09-01018/article_deploy/html/images/mathematics-09-01018-g001.png)
Mathematics | Free Full-Text | The Structure of n Harmonic Points and Generalization of Desargues' Theorems | HTML
![The principles of projective geometry applied to the straight line and conic . ny sixtangents to the given conic. Thenby Brianchons theorem, k, I, mthe three connectors of pairs ofopposite vertices The principles of projective geometry applied to the straight line and conic . ny sixtangents to the given conic. Thenby Brianchons theorem, k, I, mthe three connectors of pairs ofopposite vertices](https://c8.alamy.com/comp/2CHRXJ4/the-principles-of-projective-geometry-applied-to-the-straight-line-and-conic-ny-sixtangents-to-the-given-conic-thenby-brianchons-theorem-k-i-mthe-three-connectors-of-pairs-ofopposite-vertices-of-the-hexagonformed-by-these-lines-are-con-current-let-abg-b-e-f-bethe-poles-of-a-b-c-d-e-f-withrespect-to-the-second-conic-thensince-k-i-m-are-concurrent-k-l-mthe-points-of-intersection-of-pairsof-opposite-sides-of-the-hexagonabgdef-are-collinear-henceby-the-converse-of-pascals-theoremthe-points-a-b-c-d-e-f-lie-ona-conic-if-be-regarded-as-a-let-a-b-c-d-e-f-be-anys-2CHRXJ4.jpg)