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Non Sequitur (21 gennaio 2006): Definizione di Blog

26 Gennaio 2006

Cicerone, Topica, 87-88: Ad definitionem autem pertinet ratio et scientia definiendi. Atque huic generi finitimum est illud quod appellari de eodem et de altero diximus, quod genus forma quaedam definitionis est; si enim quaeratur idemne sit pertinacia et perseverantia, definitionibus iudicandum est. [88] Loci autem convenient in eius generis quaestionem consequentis, antecedentis, repugnantis; adiuncti etiam eis qui sumuntur ex causis et effectis. Nam si hanc rem illa sequitur, hanc autem non sequitur; aut si huic rei illa antecedit, huic non antecedit; aut si huic rei repugnat, illi non repugnat; aut si huius rei haec, illius alia causa est; aut si ex alio hoc, ex alio illud effectum est: ex quovis horum id de quo quaeritur idemne an aliud sit inveniri potest. "But when we have need of definition, then we must have recourse to the principles and science of defining. And akin to this is that other argument also which we said was employed with respect to the subject in question and something else; and that is a species of definition. For if the question is, "Whether pertinacity and perseverance are the same thing," it must be decided by definitions. And the topics which are incidental to a discussion of this kind are those drawn from consequents, or antecedents, or inconsistencies, with the addition also of those two topics which are deduced from causes and effects. For if such and such a thing is a consequence of this, but not a consequence of that; or if such and such a thing is a necessary antecedent to this, but not to that; or if it is inconsistent with this, but not with that; or if one thing is the cause of this, and another the cause of that; or if this is effected by one thing, and that by another thing; from any one of these topics it may be discovered whether the thing which is the subject of discussion is the same thing or something else". ( Tr. C. D. Yonge, qui )

  1. floria
    4 Febbraio 2006 a 23:55 | #1

    Bello. Ma criptico.

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