Proof meaning, definition and synonyms

1. Noun

Any effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.

2. Noun

That degree of evidence which convinces the mind of any truth or fact, and produces belief; a test by facts or arguments that induce, or tend to induce, certainty of the judgment; conclusive evidence; demonstration.

3. Noun

The quality or state of having been proved or tried; firmness or hardness that resists impression, or does not yield to force; impenetrability of physical bodies.

4. Noun

Firmness of mind; stability not to be shaken.

5. Noun

A trial impression, as from type, taken for correction or examination; -- called also proof sheet.

6. Noun

A process for testing the accuracy of an operation performed. Cf. Prove, v. t., 5.

7. Verb

Armor of excellent or tried quality, and deemed impenetrable; properly, armor of proof.

8. Adjective

Used in proving or testing; as, a proof load, or proof charge.

9. Adjective

Firm or successful in resisting; as, proof against harm; waterproof; bombproof.

10. Adjective

Being of a certain standard as to strength; -- said of alcoholic liquors.

11. Noun

A chain of reasoning that shows a mathematical claim must be true.

A logically valid argument establishing that a mathematical statement follows from accepted assumptions.

“The proof proceeds by contradiction.”

12. Noun

any factual evidence that helps to establish the truth of something; "if you have any proof for what you say, now is the time to produce it"

Vocabulary classified under Academic vocabulary

13. Noun

a formal series of statements showing that if one thing is true something else necessarily follows from it

Vocabulary classified under Mathematics