# prenex-conjunctive normal form

- 前束合取范式

*English-Chinese computer dictionary (英汉计算机词汇大词典).
2013.*

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**Normal form**— may refer to: Normal form (abstract rewriting) Normal form (databases) Normal form (game theory) Normal form (mathematics) In formal language theory: Beta normal form Chomsky normal form Greibach normal form Kuroda normal form Normal form… … Wikipedia**Skolem normal form**— A formula of first order logic is in Skolem normal form (named after Thoralf Skolem) if it is in conjunctive prenex normal form with only universal first order quantifiers. Every first order formula can be converted into Skolem normal form while… … Wikipedia**Conjunctive query**— In database theory, a conjunctive query is a restricted form of first order queries. A large part of queries issued on relational databases can be written as conjunctive queries, and large parts of other first order queries can be written as… … Wikipedia**Canonical form**— Generally, in mathematics, a canonical form (often called normal form or standard form) of an object is a standard way of presenting that object. Canonical form can also mean a differential form that is defined in a natural (canonical) way; see… … Wikipedia**metalogic**— /met euh loj ik/, n. the logical analysis of the fundamental concepts of logic. [1835 45; META + LOGIC] * * * Study of the syntax and the semantics of formal languages and formal systems. It is related to, but does not include, the formal… … Universalium**Canonicalization**— Not to be confused with Canonization. In computer science, canonicalization (abbreviated c14n, where 14 represents the number of letters between the C and the N) is a process for converting data that has more than one possible representation into … Wikipedia**Horn clause**— In mathematical logic, a Horn clause is a clause (a disjunction of literals) with at most one positive literal. They are named after the logician Alfred Horn, who first pointed out the significance of such clauses in 1951. Horn clauses play a… … Wikipedia