Respuesta :

a subsidiary or intermediate theorem in an argument or proof.
Source: Wikipedia

Answer:

Hope it helped the defintion is below you may give me brainiest if it helped and thank you have a great day or night!

Step-by-step explanation:

In morphology and lexicography, a lemma (plural lemmas or lemmata) is the canonical form, dictionary form, or citation form of a set of words (headword). In English, for example, break, breaks, broke, broken and breaking are forms of the same lexeme, with break as the lemma by which they are indexed.