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The abbreviation ''cf.'' derives from the Latin verb ''conferre'', while in English it is commonly read as "compare". Relevant direct translations of the latin verb include "discuss/debate/confer," "oppose," and "pit/match against each other."〔(Latin search results for: conferre )〕 The abbreviation advises readers to consult other material, usually for the purpose of drawing a contrast. The abbreviation cf is sometimes mistakenly used to mean see also.〔(【引用サイトリンク】url=https://en.wiktionary.org/wiki/cf )〕 Such abbreviations appear most frequently in scholarly contexts such as in academic articles, mainly in humanities, physics, chemistry, and open nomenclature biology. They also appear widely in texts dealing with topics in philology, or in economic or legal writing. == Use == The abbreviation ''cf.'' is used in essays,〔Peter Redman, ''Good Essay Writing: A Social Sciences Guide'', p. 114.〕 theses,〔William Giles Campbell, ''Form and style in thesis writing'', p. 41.〕 technical books,〔Dan Richard Jones, ''Technical Writing Style'', p. 101.〕 law review articles,〔''The Bluebook: A Uniform System of Citation'', p. 55 (19th ed., 2010)〕 legal opinions,〔Joyce J. George, ''Judicial Opinion Writing Handbook'', p. 358.〕 and scientific nomenclature. Its purpose is to compare the immediately preceding statement with another statement in the same work or more commonly, a statement in another work.〔 The following legal fabrication provides an example: While the cf. abbreviation has widespread use as a shorthand for "see", particularly in citations, ''The Chicago Manual of Style'' recommends its use in this sense and prefers instead that cf. be used to mean "compare" or "see, ". In biological naming conventions, cf. is variously used; commonly it is placed between the generic name and the specific name to describe a specimen whose designation is uncertain because of practical difficulties such as poor preservation of the specimen. For example: ''Barbus'' cf. ''holotaenia'' implies that the specimen is believed to be ''Barbus holotaenia'' but the actual identification cannot be certain. The use of cf. in biological nomenclature expresses a possible identity, or at least a significant resemblance, such as between a newly observed specimen and a known species or taxon.〔 Such a usage might suggest a specimen's membership of the same genus or possibly of a shared higher taxon, such as in "Diptera: Tabanidae, cf. Tabanus" where the author is confident of the order Diptera and family Tabanidae, but can offer the genus ''Tabanus'' only as a suggestion, and has no information favouring a particular species.〔FIELD KEY FOR SELECTED BENTHIC INVERTEBRATES. FROM THE HKH REGION. DRAFT VERSION FEBRUARY 2007 prepared by Anne Hartmann ()〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Cf.」の詳細全文を読む スポンサード リンク
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