[lem-uh] 
[lem-uh-tuh] . | 1. | a subsidiary proposition introduced in proving some other proposition; a helping theorem. |
| 2. | an argument, theme, or subject, esp. when indicated in a heading. |
| 3. | a word or phrase that is glossed; headword. |
[lem-uh] | a bract in a grass spikelet just below the pistil and stamens. |
| lem·ma 1 (lěm'ə) n. pl. lem·mas or lem·ma·ta (lěm'ə-tə)
[Latin lēmma, from Greek, from lambanein, to take.] |
| lem·ma 2 (lěm'ə) n. The outer or lower of the two bracts that enclose the flower in a grass spikelet. [Greek, husk, from lepein, to peel.] |
lemma logic
A result already proved, which is needed in the proof of some further result.
(1995-03-25)
