By 1824, however, there is evidence to suggest that he had developed most of what would appear in his treatise as a complete system of non-Euclidean geometry .
Sa pamamagitan ng 1824, gayunman, ay may ebidensiya na iminumungkahi na siya ay binuo ng karamihan kung ano ang nais na lumitaw sa kanyang treatise bilang isang kumpletong sistema ng mga non-Euclidean geometry.