trilemma

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See also: Trilemma

English

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Etymology

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The project management triangle is a trilemma (sense 2): it claims that a project can be completed cheaply and quickly, quickly and well, or well and cheaply, but not all three at once

The word is modelled on dilemma, with di- (two, twice, double) replaced by tri- (three).

Pronunciation

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Noun

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trilemma (plural trilemmas)

  1. A circumstance in which a choice must be made between three options that seem equally undesirable.[1][2]
    • 1853 March, “Article I. The Mode of Baptism.”, in The True Baptist, volume I, number 3, Jackson, Miss.: Published by the editor, →OCLC, page 76:
      With all these dilemmas and trilemmas crowding the mind, if one did not know better, one might be tempted to doubt whether any such versions were ever made at all.
  2. A situation in which a choice must be made among three desirable options, only two of which are possible at the same time.
    • 2004 March, Maurice Obstfeld, Jay C. Shambaugh, Alan M. Taylor, “The Trilemma in History: Tradeoffs among Exchange Rates, Monetary Policies, and Capital Mobility”, in Econometrics Laboratory, University of California, Berkeley[1], →OCLC, archived from the original on 12 August 2017, page 1:
      At the most general level, policymakers in open economies face a macroeconomic trilemma: 1. to stabilize the exchange rate; 2. to enjoy free international capital mobility; 3. to engage in a monetary policy oriented toward domestic goals. Because only two out of the three objectives can be mutually consistent, policymakers must decide which one to give up.
    • 2018 April 18, Stephen Farry, Sorcha Eastwood, “Good Friday Agreement: why it matters in Brexit”, in (Please provide the book title or journal name), ukandeu.ac.uk:
      The UK government has forced itself into a trilemma in which it has adopted three positions, only two of which can be achieved at any one time: to avoid a hard border within the island of Ireland; for the UK as whole to leave both the customs union and the single market; and to rule out any special arrangements for Northern Ireland in relation to a customs union and single market.
    • 2023 June 2, Charles Xie, “Trilemma Trade-Offs: A New CAP Theorem For Vector Databases Has Emerged”, Forbes Technology Council, in Forbes[2], Forbes Media, archived from the original on 2023-06-06:
      In computing, the unconquerable trilemma is embodied in the well-known CAP theorem for distributed systems, also called Brewer’s CAP theorem. This states that any distributed database can only attain two of three guarantees: consistency, availability and partition tolerance.
  3. (logic) An argument containing three alternatives, jointly exhaustive either under any condition(s) or under all condition(s) consistent with the universe of discourse of that argument, that each imply the same conclusion.
    • 1851, [James William Gilbart], Logic for the Million: A Familiar Exposition of the Art of Reasoning, London: Longman, Brown, Green & Longmans, →OCLC, part IV (The Points of Reasoning), section V (Reasoning by Compound Syllogism), subsection III (The Trilemma), page 324:
      It has been remarked as a characteristic of the late Sir Robert Peel, that in introducing his measures to the House of Commons, he often used the trilemma. "Three courses are before us—to go backward, to stand still, to go forward. We cannot go backward; we cannot stand still; we must, then, go forward."
    • 1862 July 1, “Art. VII.—(1.) Kirche und Kirchen, Papstthum und Kirchenstaat. Historisch-politische Bertrachtungen von Joh. Jos. Ign. v. Döllinger. Zweiter unveränderter Abdruck. München: 1861. (2.) The Church and the Churches; or, The Papacy and The Temporal Power. An Historical and Political Review. By Dr. Döllinger. Translated by William Bernard MacCabe. London: 1862.”, in The British Quarterly Review, volume XXXVI, number LXXI, London: Jackson, Walford, & Hodder 18, St. Paul's Churchyard and Simpkin, Marshall and Co., Stationers' Hall Court; Edinburgh: W. Oliphant & Co.; Glasgow: J[ames] MacLehose; Dublin: J. Robertson, →OCLC, page 156:
      And in anticipation of it, while he [Johann Joseph Ignaz von Döllinger] declares at one moment that it would be profane to limit Divine Providence to an alternative, he affirms in the next that there can be no harm whatever in shutting it up to a supposed exhaustive trilemma.

Coordinate terms

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Derived terms

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Translations

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References

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  1. ^ "Trilemma" at Oxford English Dictionary
  2. ^ "Trilemma" at Merriam-Webster

Further reading

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Finnish

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Etymology

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From English trilemma.

Pronunciation

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  • IPA(key): /ˈtrilemːɑ/, [ˈt̪rile̞mːɑ̝]
  • Rhymes: -ilemːɑ
  • Syllabification(key): tri‧lem‧ma

Noun

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trilemma

  1. trilemma

Declension

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Inflection of trilemma (Kotus type 9/kala, no gradation)
nominative trilemma trilemmat
genitive trilemman trilemmojen
partitive trilemmaa trilemmoja
illative trilemmaan trilemmoihin
singular plural
nominative trilemma trilemmat
accusative nom. trilemma trilemmat
gen. trilemman
genitive trilemman trilemmojen
trilemmain rare
partitive trilemmaa trilemmoja
inessive trilemmassa trilemmoissa
elative trilemmasta trilemmoista
illative trilemmaan trilemmoihin
adessive trilemmalla trilemmoilla
ablative trilemmalta trilemmoilta
allative trilemmalle trilemmoille
essive trilemmana trilemmoina
translative trilemmaksi trilemmoiksi
abessive trilemmatta trilemmoitta
instructive trilemmoin
comitative See the possessive forms below.
Possessive forms of trilemma (Kotus type 9/kala, no gradation)
first-person singular possessor
singular plural
nominative trilemmani trilemmani
accusative nom. trilemmani trilemmani
gen. trilemmani
genitive trilemmani trilemmojeni
trilemmaini rare
partitive trilemmaani trilemmojani
inessive trilemmassani trilemmoissani
elative trilemmastani trilemmoistani
illative trilemmaani trilemmoihini
adessive trilemmallani trilemmoillani
ablative trilemmaltani trilemmoiltani
allative trilemmalleni trilemmoilleni
essive trilemmanani trilemmoinani
translative trilemmakseni trilemmoikseni
abessive trilemmattani trilemmoittani
instructive
comitative trilemmoineni
second-person singular possessor
singular plural
nominative trilemmasi trilemmasi
accusative nom. trilemmasi trilemmasi
gen. trilemmasi
genitive trilemmasi trilemmojesi
trilemmaisi rare
partitive trilemmaasi trilemmojasi
inessive trilemmassasi trilemmoissasi
elative trilemmastasi trilemmoistasi
illative trilemmaasi trilemmoihisi
adessive trilemmallasi trilemmoillasi
ablative trilemmaltasi trilemmoiltasi
allative trilemmallesi trilemmoillesi
essive trilemmanasi trilemmoinasi
translative trilemmaksesi trilemmoiksesi
abessive trilemmattasi trilemmoittasi
instructive
comitative trilemmoinesi
first-person plural possessor
singular plural
nominative trilemmamme trilemmamme
accusative nom. trilemmamme trilemmamme
gen. trilemmamme
genitive trilemmamme trilemmojemme
trilemmaimme rare
partitive trilemmaamme trilemmojamme
inessive trilemmassamme trilemmoissamme
elative trilemmastamme trilemmoistamme
illative trilemmaamme trilemmoihimme
adessive trilemmallamme trilemmoillamme
ablative trilemmaltamme trilemmoiltamme
allative trilemmallemme trilemmoillemme
essive trilemmanamme trilemmoinamme
translative trilemmaksemme trilemmoiksemme
abessive trilemmattamme trilemmoittamme
instructive
comitative trilemmoinemme
second-person plural possessor
singular plural
nominative trilemmanne trilemmanne
accusative nom. trilemmanne trilemmanne
gen. trilemmanne
genitive trilemmanne trilemmojenne
trilemmainne rare
partitive trilemmaanne trilemmojanne
inessive trilemmassanne trilemmoissanne
elative trilemmastanne trilemmoistanne
illative trilemmaanne trilemmoihinne
adessive trilemmallanne trilemmoillanne
ablative trilemmaltanne trilemmoiltanne
allative trilemmallenne trilemmoillenne
essive trilemmananne trilemmoinanne
translative trilemmaksenne trilemmoiksenne
abessive trilemmattanne trilemmoittanne
instructive
comitative trilemmoinenne
third-person possessor
singular plural
nominative trilemmansa trilemmansa
accusative nom. trilemmansa trilemmansa
gen. trilemmansa
genitive trilemmansa trilemmojensa
trilemmainsa rare
partitive trilemmaansa trilemmojaan
trilemmojansa
inessive trilemmassaan
trilemmassansa
trilemmoissaan
trilemmoissansa
elative trilemmastaan
trilemmastansa
trilemmoistaan
trilemmoistansa
illative trilemmaansa trilemmoihinsa
adessive trilemmallaan
trilemmallansa
trilemmoillaan
trilemmoillansa
ablative trilemmaltaan
trilemmaltansa
trilemmoiltaan
trilemmoiltansa
allative trilemmalleen
trilemmallensa
trilemmoilleen
trilemmoillensa
essive trilemmanaan
trilemmanansa
trilemmoinaan
trilemmoinansa
translative trilemmakseen
trilemmaksensa
trilemmoikseen
trilemmoiksensa
abessive trilemmattaan
trilemmattansa
trilemmoittaan
trilemmoittansa
instructive
comitative trilemmoineen
trilemmoinensa