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lemma(lĕm`ə): see theoremtheorem,
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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Either of the pair of bracts that are borne above the glumes and enclose the flower of a grass spikelet.
A mathematical fact germane to the proof of some theorem.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A result already proved, which is needed in the proof of some further result.
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