Definition of disjunction in US English:



  • 1A lack of correspondence or consistency.

    ‘there is a disjunction between the skills taught in education and those demanded in the labor market’
    • ‘The radical disjunction between father and son in this scene (with the sign) is telling.’
    • ‘There is a shocking disjunction between the vast sums spent on a baby in neonatal intensive care and the small amount spent after the baby goes home.’
    • ‘The disjunction between this study's actual data and the alarmist headlines its authors helped generate is especially remarkable.’
    • ‘And there are several factors at work, but one of the most important, and one of the ones that has the most bearing, I think, in Australia, is the disjunction between what's happening in the economy and what's happening in society.’
    • ‘Would not such a disjunction between achievement and status have made the notion of grace as an unmerited gift more attractive than can be the case among wage-earners today?’
    • ‘In many of the more classically pointillist, or ‘divisionist,’ works that Signac created over the next few years, the same disjunction between content and style prevails.’
    • ‘Equally important has been the disjunction between the nation and the state in India, in sharp contrast with the western nation states during the origin of political democracy.’
    • ‘But in other cases the police uncover a startling disjunction between appearance and reality.’
    • ‘This disjunction between culture and nature is a source of some of the most enduring paradoxes in Australian settler society.’
    • ‘I don't think that he would be as worried about the ‘modern military's disjunction from American society.’’
    • ‘In education we find the same disjunction between Aborigines who have moved into mainstream Australia and those still living in the remote communities.’
    • ‘Her actions reveal the ability for self-aware introspection, as she acts on her awareness of the disjunction between her disembodiment and the humanly embodied knowledge she possesses.’
    • ‘Yet as Muller notes, the disjunction between intentions and outcomes ‘continues to make moralists queasy’.’
    • ‘He is also concerned with cultural loss, the disjunction between Aboriginal and European ways, and the hardships of life on Aboriginal settlements.’
    • ‘Yet, viewed in a wider perspective, particularly in comparison with the United States, France, or West Germany, it is the disjunction between local and national politics in Britain that is so striking.’
    • ‘What is at stake is the disjunction between economic valuation and ethical valuation.’
    • ‘Well the worst that could happen is that the amendment would in fact result in a disjunction between Australian law and the actual terms of the Free Trade Agreement.’
    • ‘Their different notions of exactly what that dream was amount to a kind of cosmic disjunction.’
    • ‘Rather than seeing ‘mixing two things together’ as a flaw resulting from the creative process, might we see the disjunction as essential to the novel?’
    • ‘Nothing illustrated so well the disjunction between carefully formulated common aspirations and the reality of divergent values than the situation earlier this year.’
    disconnection, detachment, severance, uncoupling, dissociation, disassociation, disunion, disaffiliation, segregation
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  • 2Logic
    The relationship between two distinct alternatives.

    • ‘Thus, classically, disjunction is semantically interpreted as a binary truth-function from the set of pairs of truth-values to the set { 0, 1 }.’
    • ‘Of course, more complex formulas than these can easily be constructed, using more than one quantifier and symbols for negation, conjunction, disjunction, and so forth.’
    • ‘Conjunction and disjunction signs could then be defined from the negation and conditional signs.’
    • ‘For degrees of truth, disjunction is a truth function.’
    • ‘This applies, first and foremost, to the logical terminology: connectives such as negation, conjunction, disjunction, and if - then, and quantifiers like there is and for all.’
    1. 2.1 A statement expressing the relationship between two distinct alternatives (especially one using the word “or”).
      • ‘By referring to a dichotomous tree, this writer shows how to choose the proper disjunction relative to the terms in the disjuncts.’
      • ‘Each of these is sufficient for M, as is any disjunction of them.’
      • ‘Thus, he does not recognize sentential compounds, such as conjunctions and disjunctions, as single assertions.’
      • ‘A predicate is exclusively disjunctive if and only it is equivalent to a disjunction of disjoint predicates.’
      • ‘In a statement of the form, the two statements joined together, and, are called the disjuncts, and the whole statement is called a disjunction.’
      division, separation, divorce, split, gulf, chasm
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Late Middle English: from Latin disjunctio(n-), from disjungere ‘disjoin’ (see disjunct).