obverting — É‘b vÉœrt /É’b vÉœËt v. turn over; say the opposite … English contemporary dictionary
direct reduction — noun : a reduction of a syllogistic argument to the first figure by converting or obverting one or more of its propositions or by converting or obverting and interchanging the premises contrasted with indirect reduction … Useful english dictionary
Obvert — Ob*vert , v. t. [imp. & p. p. {Obverted}; p. pr. & vb. n. {Obverting}.] [L. obvertere; ob (see {Ob }) + vertere to turn. See {Verse}.] To turn toward. [1913 Webster] If its base be obverted towards us. I. Watts. [1913 Webster] … The Collaborative International Dictionary of English
Obverted — Obvert Ob*vert , v. t. [imp. & p. p. {Obverted}; p. pr. & vb. n. {Obverting}.] [L. obvertere; ob (see {Ob }) + vertere to turn. See {Verse}.] To turn toward. [1913 Webster] If its base be obverted towards us. I. Watts. [1913 Webster] … The Collaborative International Dictionary of English
obversion — /ob verr zheuhn, sheuhn/, n. 1. an act or instance of obverting. 2. something that is obverted. 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 … Universalium
obversion — ob•ver•sion [[t]ɒbˈvɜr ʒən, ʃən[/t]] n. 1) an act or instance of obverting 2) pho 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… … From formal English to slang
obversion — /ɒbˈvɜʒən/ (say ob verzhuhn) noun 1. the act or result of obverting. 2. Logic a form of inference in which a negative proposition is inferred from an affirmative or an affirmative from a negative. {Late Latin obversiōn , stem of obversiō} …
obversion — [äb vʉr′shən, əbvʉr′shən; äb vʉr′zhən, əb vʉr′zhən] n. [LL obversio < L obversus: see OBVERSE] 1. the act of obverting 2. Logic the act of inferring the obverse … English World dictionary
ob|ver|sion — «ob VUR zhuhn, shuhn», noun. 1. the formation of an obverse or counterpart; an obverting. 2. Logic. inferring the negative or opposite of a proposition. By obversion the statement “All men are mortal” means also “No men are immortal.” … Useful english dictionary