Cf.

This article is about the Latin abbreviation. For other uses, see Cf.
"Confer" redirects here. For the software application, see CONFER (software). For academic degree conferral, see Graduation.
Look up confer in Wiktionary, the free dictionary.

The abbreviation cf. (short for either Latin confer or conferatur, both meaning 'compare')[1] is used in writing to refer the reader to other material to make a comparison with the topic being discussed. Style guides recommend that "cf." be used only to suggest a comparison, and the words "see" or "vide" be used generally to point to a source of information.[2][3] In Italian, the abbreviation "cfr." (confronta, 'confront') is more common than "cf." is.[4]

Biological use

Main article: Open nomenclature

In biological naming conventions, cf. is commonly placed between the genus name and the species name to describe a specimen that is hard to identify because of practical difficulties, such as poor preservation. For example, "Barbus cf. holotaenia" indicates that the specimen is in the genus Barbus and believed to be Barbus holotaenia, but the actual species-level identification cannot be certain.[5]

Cf. can also be used to express a possible identity, or at least a significant resemblance, such as between a newly observed specimen and a known species or taxon.[5] Such a usage might suggest a specimen's membership of the same genus or possibly of a shared higher taxon. For example, in the note "Diptera: Tabanidae, cf. Tabanus", the author is confident of the order and family (Diptera: Tabanidae) but can only suggest the genus (Tabanus) and has no information favouring a particular species.[6]

Numismatic use

Among numismatists (coin collector-research specialists), cf. may be used in references on the paper and/or online coin identification information meaning "compare to". It is common for abbreviations of listings in trusted coin catalogues or sales from certain online auctions to be cited when identifying a particular coin. If the specimen in question is not an exact match but comes close to a known source, cf. may be used.[citation needed]

See also

References

  1. ^ "cf". Cambridge Advanced Learner's Dictionary & Thesaurus. Cambridge University Press. n.d. Retrieved October 30, 2016.
  2. ^ "Latin Terms and Abbreviations". The Writing Center at UNC-Chapel Hill. The University of North Carolina at Chapel Hill. n.d. Retrieved October 30, 2016.
  3. ^ "Chicago Manual of Style 15th Ed. Style Sheet" (PDF). Michigan State University Press. p. 6, citing Chicago Manual of Style section 16.58. Archived from the original (PDF) on December 23, 2015. Retrieved July 7, 2016. There is a distinction between see and cf.; use cf. only to mean 'compare' or 'see, by way of comparison'.
  4. ^ "cf". Vocabolario Treccani. Treccani. Retrieved 2024-02-02.
  5. ^ a b Bengtson, Peter. "Open Nomenclature" (PDF). Palaeontology. Archived from the original (PDF) on April 2, 2015. Retrieved March 19, 2015.
  6. ^ Hartmann, Anne (February 2007). "Field Key for Selected Benthic Invertebrates from the HKH Region" (PDF). Draft Version. Retrieved October 30, 2016.
  • The dictionary definition of cf. at Wiktionary

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