Meaning & Definition of word "Lemma"

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    Lemma

    /ˈlɛm.ə/

    noun:

    • 1. A variable in logic or mathematics that represents a proposition or statement which is provable from a set of axioms.
      • Example: In the proof, the lemma served as a crucial step in establishing the main theorem.
    • 2. A canonical form or base form of a word, used in dictionaries as an entry point.
      • Example: The lemma for the verb 'running' is 'run'.
    • 3. An auxiliary proposition used in an argument or proof.
      • Example: The mathematician introduced a lemma to simplify the complex proof.

    Etymology

    From Latin lemma, from Greek λήμμα (lēmma) meaning 'that which is received' or 'what is taken'.

    Common Phrases and Expressions

    lemma of a proof:

    A minor or preliminary result that supports a main theorem.

    working lemma:

    A lemma used during the process of proving a larger theorem.

    semantic lemma:

    The abstract representation of a word that encompasses its variations.

    Related Words

    hypothesis:

    A proposed explanation for a phenomenon, which is subject to testing.

    theorem:

    A statement that has been proven on the basis of previously established statements.

    axiom:

    A statement or proposition that is regarded as being self-evidently true.

    Slang Meanings of lemma

    Meaning: In casual conversation, 'lemma' might refer to a problem or puzzle in a light-hearted context.

    Example Sentence: That math homework is such a lemma, I can't figure it out!

    Meaning: A dismissive term for a minor argument or point in a debate.

    Example Sentence: Don't get bogged down by lemmas; let's focus on the main issue.