Desargues' theorem

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	Desargues' theorem - Wikipedia, the free encyclopedia
		Desargues' theorem is therefore one of the most basic of simple and intuitive geometric theorems whose natural home is in projective rather than affine space.
		The truth of Desargues' theorem in the plane is most readily deduced by getting it as a corollary to its truth in 3-space.
		In projective geometry, Desargues' theorem, named in honor of Girard Desargues, states:
	en.wikipedia.org /wiki/Desargues'_theorem

	Girard Desargues
		Desargues' famous "perspective theorem" was first published in 1648 in a work on perspective by Abraham Bosse.
		Desargues wrote on "practical" subjects such as perspective, the cutting of stones for use in building, and sundials.
		It is thus clear that Desargues had every opportunity of acquiring a good education, could afford to buy what books he chose, and had leisure to indulge in whatever pursuits he might enjoy.
	www.stetson.edu /~efriedma/periodictable/html/Au.html

	Desargues
		Desargues' famous 'perspective theorem' - that when two triangles are in perspective the meets of corresponding sides are collinear - was first published in 1648, in a work on perspective by Abraham Bosse.
		Desargues wrote on 'practical' subjects such as perspective (1636), the cutting of stones for use in building (1640) and sundials (1640).
		Desargues seems to have made several extended visits to Paris in connection with a lawsuit for the recovery of a huge debt.
	sfabel.tripod.com /mathematik/database/Desargues.html

	Monge
		Minnesota (One of Monge's geometry theorems and its relationship to Desargues theorem)
	www.kurdmedia.com /eim/hamid/scientist/Monge.html

	DictC14.html
		] The point specified by Desargues' theorem, at which lines passing through corresponding vertices of two triangles are concurrent.
	www.accesscience.com /Dictionary/C/C14/DictC14.html

	Monge
		Minnesota, USA (One of Monge's geometry theorems and its relationship to Desargues theorem)
	www.bg-rams.ac.at /intranet/Physik/history/Monge.html

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Topic: Desargues' theorem

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