non-Euclidean geometry in Italian
non-Euclidean geometry in Italian
geometria non euclidea
(geometry) Any system of geometry not based on the set of axioms of Euclidean geometry, which is based on the three-dimensional space of common experience.
metageometria
(geometry) Any system of geometry not based on the set of axioms of Euclidean geometry, which is based on the three-dimensional space of common experience.