Meaning & Definition of word "Theorem"

to

arrow

    Theorem

    /ˈθiːərəm/

    noun:

    • 1. A proposition that has been or is to be proved on the basis of explicit assumptions and previously established statements, such as other theorems.
      • Example: According to the Pythagorean theorem, in a right-angled triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.
    • 2. A general principle or law that has been established by reasoning or mathematical proof.
      • Example: Cantor's theorem demonstrates that there are different sizes of infinity.
    • 3. An idea or principle believed to be true but not yet proven.
      • Example: The scientist proposed a new theorem regarding the behavior of subatomic particles.
    • 4. In mathematics, a formal statement, often formulated as a mathematical equation, that can be derived from an axiomatic system.
      • Example: The fundamental theorem of calculus links the concept of differentiation and integration.

    Etymology

    From Greek 'theorein' meaning 'to view, to contemplate'.

    Common Phrases and Expressions

    fundamental theorem:

    A theorem that is central to a particular field of study.

    theorem of calculus:

    A key theorem in calculus that ties together the concepts of differentiation and integration.

    Related Words

    proof:

    A logical argument demonstrating the truth of a theorem.

    axiom:

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

    lemma:

    A subsidiary or intermediate theorem in an argument or proof.

    Slang Meanings of theorem

    Meaning: A clever or smart solution to a problem.

    Example Sentence: That idea is a real theorem for getting out of this mess!

    Meaning: A joke or humorous take on a complex idea.

    Example Sentence: I came up with a hilarious theorem about why cats always land on their feet.