Trivero has slipped in his recently published Teoriadei bisogni, for which may he be forgiven!
In the Teoria fondamentale, accordingly, where n dimensions are considered, Beltrami treats hyperbolic space in a purely analytical spirit.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "teoria" in a variety of sentences. We hope that you will now be able to make sentences using this word.