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Theophrastus · Fragments §63c.1

Conversion of Contingent Universal Negative Propositions

Passage 60 of 196 · Greek

Summary

Shows that Theophrastus and Eudemus assert that the contingent universal negative proposition also converts with itself, just like the assertoric and necessary universal negatives.

§63c.1Fr. 63c Θ. μέντοι καὶ Εὔδημος ἀντιστρέφειν φασὶ καὶ τὴν καθόλου ἀποφατικὴν αὑτῇ, ὥσπερ ἀντέστρεφε καὶ ἡ ὑπάρχουσα καθόλου ἀποφατικὴ καὶ ἡ ἀναγκαία.
However, Theophrastus and Eudemus say that the contingent universal negative proposition also converts with itself, just as both the assertoric universal negative and the necessary one converted.

Notes

  1. Fr. 63cΘ. — Θ. is an abbreviation for the philosopher Theophrastus (Θεόφραστος).
  2. Fr. 63cτὴν καθόλου ἀποφατικὴν — Continuing the context of the "contingent negative [proposition]" (τὴν ἀποφατικὴν ἐνδεχομένην) from the preceding fragment (Fr. 63b), this phrase refers here to the "contingent" universal negative proposition.
  3. Fr. 63cαὑτῇ — The third-person reflexive pronoun in the feminine singular dative (a contracted form of ἑαυτῇ). It is used with the verb of conversion ἀντιστρέφειν to mean "converts with itself".
  4. Fr. 63cἡ ὑπάρχουσα — The present participle expressing the "assertoric" modality in Aristotelian logic, contrasted with necessary (ἀναγκαία) and contingent (ἐνδεχομένη) modalities.

Cite this passage

Theophrastus, Fragments §63c.1. Humanitext Reader, https://reader.humanitext.ai/en/text/urn:cts:greekLit:tlg0093.tlg010x09.humanitext-grc1:63c.1

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