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lemma    音標拼音: [l'ɛmə]
n. 補助定理,補題,引理

補助定理,補題,引理

lemma
引理

lemma
系 引理

lemma
n 1: a subsidiary proposition that is assumed to be true in
order to prove another proposition
2: the lower and stouter of the two glumes immediately enclosing
the floret in most Gramineae [synonym: {lemma}, {flowering
glume}]
3: the heading that indicates the subject of an annotation or a
literary composition or a dictionary entry

Lemma \Lem"ma\ (l[e^]m"m[.a]), n.; pl. L. {Lemmata}
(-m[.a]*t[.a]), E. {Lemmas} (-m[.a]z). [L. lemma, Gr. lh^mma
anything received, an assumption or premise taken for
granted, fr. lamba`nein to take, assume. Cf. {Syllable}.]
1. (Math., Logic) A preliminary or auxiliary proposition
demonstrated or accepted for immediate use in the
demonstration of some other proposition, as in mathematics
or logic.
[1913 Webster]

2. A word that is included in a glossary or list of
headwords; a headword.
[PJC]


main entry word \main entry word\ n.
The form of a word that heads a lexical entry and is
alphabetized in a dictionary; also called {entry word},
{headword}, and {lemma}.

Syn: citation form, entry word, headword, lemma.
[WordNet 1.5]

Note: In different languages, different wordforms, such as
cases for verbs, may be taken as the main entry word.
In English dictionaries, it is the infinitive form, but
in latin dictionaries it is usually the first person
singular present.
[PJC]



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