Meaning oflemmain English

Noun

1. a proved proposition for immediate use
   The mathematician used a lemma to simplify the complex equation.
2. a word's base or dictionary form (infinitive, nominative)
   The word "running" is a variant of the lemma "run" in the dictionary.
3. a mathematical statement for further proof; base case
   The researcher relied on a key lemma to prove the difficult theorem.