Pythagorean astronomical system (English Wikipedia)
Analysis of information sources in references of the Wikipedia article "Pythagorean astronomical system" in English language version.
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archive.org
- Dreyer, John Louis Emil (1906). History of the planetary systems from Thales to Kepler. University press. p. 42.
To complete the number ten, Philolaus created the antichthon, or counter-earth. This tenth planet is always invisible to us, because it is between us and the central fire and always keeps pace with the earth.
books.google.com
- Early Greek Philosophy By Jonathan Barnes, Penguin
- Butler, William Archer (1879). Lectures on the History of Ancient Philosophy, Volume 1. e-book. p. 28.
{{cite book}}: CS1 maint: location missing publisher (link) - Butler, William Archer (1879). Lectures on the History of Ancient Philosophy, Volume 1. e-book. p. 28.
{{cite book}}: CS1 maint: location missing publisher (link) - Heath, Thomas (1981). A History of Greek Mathematics, Volume 1. Dover. p. 165. ISBN 9780486240732.
jstor.org
- Burch, George Bosworth. The Counter-Earth. Osirus, vol. 11. Saint Catherines Press, 1954. p. 267-294
stanford.edu
plato.stanford.edu
- Philolaus, Stanford Encyclopedia of Philosophy, Carl Huffman.
- "Philolaus". Sep 15, 2003. Stanford Encyclopedia or Philosophy. Retrieved 23 October 2013.
Philolaus appears to have believed that there was also fire at the periphery of the cosmic sphere and that the sun was a glass-like body which transmitted the light and heat of this fire to the earth, an account of the sun which shows connections to Empedocles
- "Philolaus". Sep 15, 2003. Stanford Encyclopedia or Philosophy. Retrieved 23 October 2013.
- Burch 1954: 272–273, quoted in Philolaus, Stanford Encyclopedia of Philosophy.
- Arist., Metaph. 986a8–12. quoted in Philolaus, Stanford Encyclopedia of Philosophy, Carl Huffman.
ucr.edu
physics.ucr.edu
- "The Pythagoreans". University of California Riverside. Archived from the original on 2018-07-06. Retrieved 2013-10-20.
- "Greek cosmology, The Pythagoreans". University of California, Riverside. Archived from the original on 2018-07-06. Retrieved 2013-10-24.
The importance of pure numbers is central to the Pythagorean view of the world. A point was associated with 1, a line with 2 a surface with 3 and a solid with 4. Their sum, 10, was sacred and omnipotent.
villanova.edu
www46.homepage.villanova.edu
- E. Cobham Brewer (1894). Dictionary of Phrase and Fable (PDF). p. 1233.
web.archive.org
- "The Pythagoreans". University of California Riverside. Archived from the original on 2018-07-06. Retrieved 2013-10-20.
- "Greek cosmology, The Pythagoreans". University of California, Riverside. Archived from the original on 2018-07-06. Retrieved 2013-10-24.
The importance of pure numbers is central to the Pythagorean view of the world. A point was associated with 1, a line with 2 a surface with 3 and a solid with 4. Their sum, 10, was sacred and omnipotent.
wikisource.org
en.wikisource.org
- This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Stobaeus, Joannes". Encyclopædia Britannica (11th ed.). Cambridge University Press.
