one must construct a proof

См. также в других словарях:

• Proof sketch for Gödel's first incompleteness theorem — This article gives a sketch of a proof of Gödel s first incompleteness theorem. This theorem applies to any formal theory that satisfies certain technical hypotheses which are discussed as needed during the sketch. We will assume for the… …   Wikipedia

• Proof of impossibility — A proof of impossibility, sometimes called a negative proof or negative result , is a proof demonstrating that a particular problem cannot be solved, or cannot be solved in general. Often proofs of impossibility have put to rest decades or… …   Wikipedia

• One-way compression function — In cryptography, a one way compression function is a function that transforms two fixed length inputs to an output of the same size as one of the inputs. The transformation is one way , meaning that it is difficult given a particular output to… …   Wikipedia

• Invalid proof — In mathematics, there are a variety of spurious proofs of obvious contradictions. Although the proofs are flawed, the errors, usually by design, are comparatively subtle. These fallacies are normally regarded as mere curiosities, but can be used… …   Wikipedia

• Shortest proof game — A shortest proof game is a type of retrograde analysis chess problems. The solver must construct a game (so called proof game ), starting from the initial chess position, which ends with a given position (thus proving that that position is… …   Wikipedia

• WFF 'N PROOF — the Game of Modern Logic was developed to teach principles of logic.OriginWFF N PROOF was developed by Layman Allencite article | author= Rachel Erhenberg | title= He s Positively Logical | url=http://www.umich.edu/… …   Wikipedia

• Constructive proof — In mathematics, a constructive proof is a method of proof that demonstrates the existence of a mathematical object with certain properties by creating or providing a method for creating such an object. This is in contrast to a nonconstructive… …   Wikipedia

• Personal construct theory — Construct theory (PCT) is a psychological theory of human cognition. Eddington said, Science is the attempt to set in order the facts of experience. George Kelly, the psychologist and creator of personal construct theory pushed this idea two… …   Wikipedia

• Turing's proof — First published in January 1937 with the title On Computable Numbers, With an Application to the Entscheidungsproblem , Turing s proof was the second proof of the assertion (Alonzo Church proof was first) that some questions are undecidable :… …   Wikipedia

• Zero-knowledge proof — In cryptography, a zero knowledge proof or zero knowledge protocol is an interactive method for one party to prove to another that a (usually mathematical) statement is true, without revealing anything other than the veracity of the statement.A… …   Wikipedia

• Original proof of Gödel's completeness theorem — The proof of Gödel s completeness theorem given by Kurt Gödel in his doctoral dissertation of 1929 (and a rewritten version of the dissertation, published as an article in 1930) is not easy to read today; it uses concepts and formalism that are… …   Wikipedia