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lemma    音标拼音: [l'ɛmə]
n. 补助定理,补题,引理

补助定理,补题,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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  • LEMMA Definition Meaning - Merriam-Webster
    The meaning of LEMMA is an auxiliary proposition used in the demonstration of another proposition
  • Lemma (mathematics) - Wikipedia
    Lemma (mathematics) In mathematics and other fields, [a] a lemma (pl : lemmas or lemmata) is a generally minor, proven proposition which is used to prove a larger statement
  • Lemma - definition of lemma by The Free Dictionary
    Define lemma lemma synonyms, lemma pronunciation, lemma translation, English dictionary definition of lemma n pl lem·mas or lem·ma·ta 1 A subsidiary proposition assumed to be valid and used to demonstrate a principal proposition 2 A theme, argument, or
  • Lemma Definition (Illustrated Mathematics Dictionary)
    Illustrated definition of Lemma: A small, proven statement that supports larger theorems It is a minor result, shown to be true using existing
  • lemma - Wiktionary, the free dictionary
    For the second sense, where "word" means "item that should have its own dictionary entry," lexicographers sometimes use the term "lemma," but that has other meanings too, so among linguists the term lexeme is now standard, and I'll use it
  • Lemma -- from Wolfram MathWorld
    Culinary Terminology Lemma A short theorem used in proving a larger theorem Related concepts are the axiom, porism, postulate, principle, and theorem The late mathematician P Erdős has often been associated with the observation that "a mathematician is a machine for converting coffee into theorems " (e g , Hoffman 1998, p 7)
  • LEMMA definition in American English | Collins English Dictionary
    a word considered as its citation form together with all the inflected forms For example, the lemma go consists of go together with goes, going, went, and gone 3
  • Lemma — Definition, Meaning Examples - Mathwords
    A lemma is a supporting result whose main job is to simplify or enable the proof of a theorem In practice, the same statement could be called a lemma in one textbook and a theorem in another, depending on context
  • LEMMA Definition Meaning | Dictionary. com
    LEMMA definition: a subsidiary proposition introduced in proving some other proposition; a helping theorem See examples of lemma used in a sentence
  • What is lemma in mathematics? - California Learning Resource Network
    A lemma, at its core, is a proven proposition that serves as a preliminary or auxiliary result within a larger proof Unlike axioms, which are accepted as self-evident truths without proof, lemmas require rigorous demonstration





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