Obversion



[ob-vur-zhuh n, -shuh n] /ɒbˈvɜr ʒən, -ʃən/

noun
1.
an act or instance of .
2.
something that is .
3.
Logic. a form of inference in which a negative proposition is obtained from an affirmative, or vice versa, as “None of us is immortal” is obtained by obversion from “All of us are mortal.”.

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  • Obvert

    [ob-vurt] /ɒbˈvɜrt/ verb (used with object) 1. to turn (something) so as to show a different surface. 2. Logic. to change (a proposition) by . /ɒbˈvɜːt/ verb (transitive) 1. (logic) to deduce the obverse of (a proposition) 2. (rare) to turn so as to show the main or other side

  • Obviate

    [ob-vee-eyt] /ˈɒb viˌeɪt/ verb (used with object), obviated, obviating. 1. to anticipate and prevent or eliminate (difficulties, disadvantages, etc.) by effective measures; render unnecessary: to obviate the risk of serious injury. /ˈɒbvɪˌeɪt/ verb 1. (transitive) to avoid or prevent (a need or difficulty) v. 1590s, “to meet and do away with,” from Late Latin obviatus, […]



  • Obviated

    [ob-vee-eyt] /ˈɒb viˌeɪt/ verb (used with object), obviated, obviating. 1. to anticipate and prevent or eliminate (difficulties, disadvantages, etc.) by effective measures; render unnecessary: to obviate the risk of serious injury. /ˈɒbvɪˌeɪt/ verb 1. (transitive) to avoid or prevent (a need or difficulty) v. 1590s, “to meet and do away with,” from Late Latin obviatus, […]

  • Obviation

    [ob-vee-eyt] /ˈɒb viˌeɪt/ verb (used with object), obviated, obviating. 1. to anticipate and prevent or eliminate (difficulties, disadvantages, etc.) by effective measures; render unnecessary: to obviate the risk of serious injury. /ˈɒbvɪˌeɪt/ verb 1. (transitive) to avoid or prevent (a need or difficulty) n. early 15c., from Medieval Latin obviationem (nominative obviatio), noun of action […]



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