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lemma

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia 0.01 sec.
lemma (lĕm`ə): see theorem theorem, in mathematics and logic, statement in words or symbols that can be established by means of deductive logic; it differs from an axiom in that a proof is required for its acceptance.
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lemma [′lem·ə]
(botany)
Either of the pair of bracts that are borne above the glumes and enclose the flower of a grass spikelet.
(mathematics)
A mathematical fact germane to the proof of some theorem.

(logic)lemma - A result already proved, which is needed in the proof of some further result.


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We require the following lemma for the proof of the theorem.
Note that if k = 1, that is, all markets are served under uniform pricing, then welfare goes down with price discrimination by Proposition 5 and Lemma 3 in the Appendix.
Highlighting the role in functional analysis of invariance and, in particular, of non-compact transformation groups, the book uses the same building blocks relative to transformation groups (such as partitions of domain and partitions of range) in proofs of energy inequalities and in weak convergence lemmas.
 
 
 
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