of Lemma
Source: Webster's dictionaryAlthough The Porisms is lost, we know three lemmas contained there, since Diophantus refers to them in the Arithmetica. Source: Internet
Lexemes derived from a word by derivational morphology are considered new lemmas. Source: Internet
His concept "Dyson's transform" led to one of the most important lemmas of Olivier Ramaré 's theorem that every even integer can be written as a sum of no more than six primes. Source: Internet
However, lemmas are sometimes embedded in the proof of a theorem, either with nested proofs, or with their proofs presented after the proof of the theorem. Source: Internet
In order for Ibn Qurra's formula to produce an amicable pair, two consecutive Thabit numbers must be prime; this severely restricts the possible values of n. To establish the theorem, Thâbit ibn Qurra proved nine lemmas divided into two groups. Source: Internet
It is also common for a theorem to be preceded by a number of propositions or lemmas which are then used in the proof. Source: Internet