Lemma may refer to:
Language and linguistics
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Lemma (morphology)
In morphology and lexicography, a lemma (plural ''lemmas'' or ''lemmata'') is the canonical form, dictionary form, or citation form of a set of word forms. In English, for example, ''break'', ''breaks'', ''broke'', ''broken'' and ''breaking'' ...
, the canonical, dictionary or citation form of a word
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Lemma (psycholinguistics), a mental abstraction of a word about to be uttered
Science and mathematics
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Lemma (botany), a part of a grass plant
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Lemma (mathematics)
In mathematics, informal logic and argument mapping, a lemma (plural lemmas or lemmata) is a generally minor, proven proposition which is used as a stepping stone to a larger result. For that reason, it is also known as a "helping theorem" or an ...
, a type of proposition
Other uses
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''Lemma'' (album), by John Zorn (2013)
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Lemma (logic)
In mathematics, informal logic and argument mapping, a lemma (plural lemmas or lemmata) is a generally minor, proven proposition which is used as a stepping stone to a larger result. For that reason, it is also known as a "helping theorem" or ...
, an informal contention
See also
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Analemma
In astronomy, an analemma (; ) is a diagram showing the position of the Sun in the sky as seen from a fixed location on Earth at the same mean solar time, as that position varies over the course of a year. The diagram will resemble a figure ...
, a diagram showing the variation of the position of the Sun in the sky
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Dilemma
A dilemma ( grc-gre, δίλημμα "double proposition") is a problem offering two possibilities, neither of which is unambiguously acceptable or preferable. The possibilities are termed the ''horns'' of the dilemma, a clichéd usage, but dist ...
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Lema (disambiguation)
Lema may refer to:
Nature Amphibians
* Lema tree frog, ''Hypsiboas lemai'', a species of frog
*''Centrolene lema'', a synonym for '' Vitreorana gorzulae'', the Bolivar giant glass frog
Insects
*'' Kedestes lema'', the Lema ranger, a butterfly
* ...
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Lemmatisation
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Neurolemma
Neurilemma (also known as neurolemma, sheath of Schwann, or Schwann's sheath) is the outermost nucleated cytoplasmic layer of Schwann cells (also called neurilemmocytes) that surrounds the axon of the neuron. It forms the outermost layer of the ne ...
, part of a neuron
{{Disambiguation