Leptrois

Leptrois, also known as leptive or leptral gender system is a gender classification that brings mathematical and linguistic understanding of genders, such as between negative and positive, negatrois and positrois. Leptrois also includes leptarity.

Eugenders are positrois. Antigenders are negatrois. Neutrois is centrois, the center of the spectrum, represented by zero (0). Genderless is nulltrois, represented by the null sign (∅).