An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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formal
  دیسه‌ای، دیسه‌ور  
diseyi, disevar
Fr.: formel  

  1. According to, or following established or prescribed forms, conventions, etc.

  2. Math., logic: Of a proof, in strict logical form with a justification for every step.

  3. Math., logic: Of a calculation, correct in form; made with strict justification for every step; of or pertaining to manipulation of symbols without regard to their meaning.

  4. → formal language.

  5. → formal logic.

Etymology (EN): M.E. formal, formel, from L. formalis, from → form

Etymology (PE): Diseyi, desevar, from dis, → form, + adj. suffixes -i and -var.