Quinto Postulato: la piaga della geometria - Mentecast 028

La storia tormentata del quinto postulato di Euclide, neo della geometria per migliaia di anni. Seguici anche su: YOUTUBE https://youtube.com/channel/UCSccnE9-Y9PfJC2thw-vgtg FACEBOOK https://facebook.com/mentecast/ SPOTIFY https://open.spotify.com/show/6rEXAE1nfxmfdzY9dtFYO7 iTUNES https://podcasts.apple.com/it/podcast/mentecast/id1458522809? SOUNDCLOUD https://soundcloud.com/user-613167048 TWITTER https://twitter.com/mentecast INSTAGRAM https://instagram.com/mentecast FONTI: https://www.youtube.com/watch?v=rJGFNJ22lxo https://www.youtube.com/playlist?list=PLhyKYa0YJ_5Dj3ZG-Qk9VfaCfo-Nh9S-2 http://www.paololazzarini.it/geometria_sulla_sfera/geo.htm https://www.matematicamente.it/forum/viewtopic.php?f=3&t=9947&start=20 https://gisgeography.com/great-circle-geodesic-line-shortest-flight-path/ https://www.cut-the-knot.org/triangle/pythpar/Fifth.shtml https://www.ilpost.it/mauriziocodogno/2010/10/08/il-quinto-postulato-di-euclide/ http://aldoaldoz.blogspot.com/2011/09/euclide-il-quinto-postulato.html http://progettomatematica.dm.unibo.it/GeometrieNonEuclidee/par4.html http://lcalighieri.racine.ra.it/pescetti/ricerca_geometrie_non_euclidee_2004_05/somm_none/tentativi.htm http://lcalighieri.racine.ra.it/pescetti/ricerca_geometrie_non_euclidee_2004_05/somm_none/anomalia.htm http://www.historyofinformation.com/detail.php?entryid=382 https://www.math.ubc.ca/~cass/euclid/dee/dee.html https://www.gresham.ac.uk/lectures-and-events/euclid https://www.britannica.com/science/The-Bridge-of-Asses