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  1. Theorem Definition (Illustrated Mathematics Dictionary)

    A Theorem is a major result, a minor result is called a Lemma. Illustrated definition of Theorem: A result that has been proved to be true (using operations and facts that were already known). …

  2. Theorem - Wikipedia

    In classical geometry the term "proposition" was used differently: in Euclid 's Elements (c. 300 BCE), all theorems and geometric constructions were called "propositions" regardless of their …

  3. Theorem | Proofs, Axioms & Algorithms | Britannica

    In geometry, a proposition is commonly considered as a problem (a construction to be effected) or a theorem (a statement to be proved). The statement “If two lines intersect, each pair of …

  4. Geometry Theorems - Math Steps, Examples & Questions

    What are geometry theorems? Geometry theorems are statements, related to geometry, that have been proven to be true through logic and are accepted to be mathematical principles.

  5. Postulates and Theorems in Geometry - GeeksforGeeks

    Jul 23, 2025 · Theorems in Geometry are statements or propositions that have been proven to be true through logical reasoning and previously established statements, such as axioms and …

  6. Theorems and Proofs - CK-12 Foundation

    Jan 1, 2026 · In geometry, a postulate is a statement that is assumed to be true based on basic geometric principles. An example of a postulate is the statement "exactly one line may be …

  7. Geometry Theorems and Postulates List with Examples

    Mar 15, 2025 · What are Geometry Theorems? In the study of geometry in general, a theorem is a statement that can be proven by using definitions, postulates, or other proven theorems. …

  8. Theorem - from Wolfram MathWorld

    Dec 22, 2025 · In general, a theorem is an embodiment of some general principle that makes it part of a larger theory. The process of showing a theorem to be correct is called a proof.

  9. Theorem | Meaning, Types & Examples - Lesson | Study.com

    In mathematics, a theorem can be defined as a statement that can be proved to be true based on known and proven facts. These known facts may be of mathematical expressions or operations.

  10. Geometry Theorems | Circle Theorems | Parallelogram Theorems

    Oct 21, 2020 · In Geometry, you learn many theorems which are concerned with points, lines, triangles, circles, parallelograms, and other figures. Geometry Theorems are important …