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4 definitions found
 for a priori
From The Collaborative International Dictionary of English v.0.48 :

  Regulative \Reg"u*la*tive\ (r?g"?*l?*t?v), a.
     1. Tending to regulate; regulating. --Whewell.
        [1913 Webster]
     2. (Metaph.) Necessarily assumed by the mind as fundamental
        to all other knowledge; furnishing fundamental principles;
        as, the regulative principles, or principles a priori;
        the regulative faculty. --Sir W. Hamilton.
        [1913 Webster]
     Note: These terms are borrowed from Kant, and suggest the
           thought, allowed by Kant, that possibly these
           principles are only true for the human mind, the
           operations and belief of which they regulate.
           [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  A priori \A` pri*o"ri\ [L. a (ab) + prior former.]
     1. (Logic) Characterizing that kind of reasoning which
        deduces consequences from definitions formed, or
        principles assumed, or which infers effects from causes
        previously known; deductive or deductively. The reverse of
        a posteriori.
        [1913 Webster]
     3. (Philos.) Applied to knowledge and conceptions assumed, or
        presupposed, as prior to experience, in order to make
        experience rational or possible.
        [1913 Webster]
              A priori, that is, from these necessities of the
              mind or forms of thinking, which, though first
              revealed to us by experience, must yet have
              pre["e]xisted in order to make experience possible.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

  a priori
      adv 1: derived by logic, without observed facts [ant: a
      adj 1: involving deductive reasoning from a general principle to
             a necessary effect; not supported by fact; "an a priori
             judgment" [ant: a posteriori]
      2: based on hypothesis or theory rather than experiment

From Moby Thesaurus II by Grady Ward, 1.0 :

  28 Moby Thesaurus words for "a priori":
     a fortiori, a posteriori, analytic, back, backward, categorical,
     conditional, deducible, deductive, derivable, dialectic,
     discursive, dogmatic, early, enthymematic, epagogic, ex post facto,
     hypothetical, inductive, inferential, into the past, maieutic,
     reasoned, retroactive, retrospective, soritical, syllogistic,

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