lemma
US /ˈlem.ə/
UK /ˈlem.ə/
名詞
1.
引理
a proposition, especially in mathematics, that is assumed to be true in order to prove another proposition
範例:
•
The proof of the theorem relies on a crucial lemma.
定理的證明依賴於一個關鍵的引理。
•
We first need to establish this lemma before proceeding with the main proof.
在進行主要證明之前，我們首先需要確立這個引理。
2.
詞元, 詞幹
the base or dictionary form of a word, from which all inflected forms are derived
範例:
•
In linguistics, 'run' is the lemma for 'running', 'ran', and 'runs'.
在語言學中，'run'是'running'、'ran'和'runs'的詞元。
•
Text analysis often involves reducing words to their common lemma to group similar terms.
文本分析通常涉及將單詞還原為其共同的詞元，以對相似術語進行分組。