proof set
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proof set — proof set, a set of proof coins for dealers and collectors: »The coins in a proof set are of a higher relief and polish than ordinary coins, making them more attractive to collectors (Edward C. Rochette) … Useful english dictionary
proof set — n. a set of coins (proof coins), one of each denomination, minted annually from highly polished metal on special dies, issued for collectors rather than for circulation * * * … Universalium
proof set — n. a set of coins (proof coins), one of each denomination, minted annually from highly polished metal on special dies, issued for collectors rather than for circulation … English World dictionary
Proof theory — is a branch of mathematical logic that represents proofs as formal mathematical objects, facilitating their analysis by mathematical techniques. Proofs are typically presented as inductively defined data structures such as plain lists, boxed… … Wikipedia
Proof — • The establishment of a disputed or controverted matter by lawful means or arguments. Catholic Encyclopedia. Kevin Knight. 2006. Proof Proof … Catholic encyclopedia
proof of claim — form filed by a creditor setting out its claims against a bankruptcy debtor (Glossary of Common Bankruptcy Terms) A form used to file a claim. The form requires the creditor to enter information to describe the basis of his claim. also see claim… … Glossary of Bankruptcy
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
Set theory — This article is about the branch of mathematics. For musical set theory, see Set theory (music). A Venn diagram illustrating the intersection of two sets. Set theory is the branch of mathematics that studies sets, which are collections of objects … Wikipedia
set theory — the branch of mathematics that deals with relations between sets. [1940 45] * * * Branch of mathematics that deals with the properties of sets. It is most valuable as applied to other areas of mathematics, which borrow from and adapt its… … Universalium
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
Set (mathematics) — This article gives an introduction to what mathematicians call intuitive or naive set theory; for a more detailed account see Naive set theory. For a rigorous modern axiomatic treatment of sets, see Set theory. The intersection of two sets is… … Wikipedia
