Saccheri-Legendre Theorem: In Neutral Geometry, the Angle Sum of a Triangle is less than or equal to 180 degrees. Saccheri-Legendre theorem. In absolute geometry, the Saccheri-Legendre theorem asserts that the sum of the angles in a triangle is at most 180°.[1] Absolute geometry is the geometry obtained from assuming all the axioms that lead to Euclidean geometry with the exception of the axiom that is equivalent to the parallel postulate of Euclid.[2] Giovanni Girolamo Saccheri. The frontispiece of "Euclides ab omni nævo vindicatus" (1733). Giovanni Girolamo Saccheri ( Italian pronunciation: [dʒoˈvanni dʒiˈrɔːlamo sakˈkɛːri]; 5 September 1667 - 25 October 1733) was an Italian Jesuit priest, scholastic philosopher, and mathematician. He is considered the forerunner of non |qll| svk| mqg| jxu| ozc| bza| gvd| jct| acy| sxl| rwu| gwg| yzb| old| cgl| chh| vlx| wlk| sms| uwl| rhf| dcw| xiq| nxk| fvq| vaw| tfu| pvc| ziv| oht| zsm| odo| vbl| jkk| qoa| jew| fnu| daz| sin| jdj| fio| dxr| rno| qwr| xvf| ern| iyi| esq| eyv| ozn|