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Sextus Empiricus
Against the Professors, Books I-VI of Against the Learned Section 13
Section 446 of 757
Canonical reference 3.13
Ancient Greek
Hermann Mutschmann and Jürgen Mau, editors · adversus-grc
ἄλλως τε, εἰ βέβαιόν ἐστι καὶ πιστὸν τὸ ὑποτιθέμενον ἧ ὑποτίθεται, μὴ ταῦτα ὑπο- τιθέσθωσαν ἐξ ὧν ἀποδείξουσί τι, ἀλλʼ αὐτὸ τὸ ἀποδεικ- νύμενον, τουτέστι μὴ τὰ λήμματα τῆς ἀποδείξεως ἀλλὰ τὴν ἐπιφοράν ὃ γὰρ δύναται πρὸς πίστιν αὐτοῖς ἐπὶ τῶν ἐκκαλυπτόντων ἡ ὑπόθεσις, τοῦτο δυνήσεται καὶ ?? τῶν ἐκκαλυπτομένων ἐκ τῆς ἀποδείξεως πραγμάτων. | εἰ δʼ ἄπιστόν ἐστι, κἂν πολλάκις ὑποτεθῇ, τὸ τῆς ἀποδείξεως συμπέρασμα χωρὶς ἀποδείξεως, ἄπιστον γενήσεται καὶ τὸ εἰς κατασκευὴν τούτου λαμβανόμενον, εἰ μὴ διʼ ἀπο- δείξεως διδάσκοιτο.
English AI-generated translation, non-official
Codex gpt-5.6-sol · Non-official working translation · 2026-09-11
Besides, if what is hypothesized is secure and credible in the respect in which it is hypothesized, let them hypothesize not the things from which they will prove something, but the very thing to be proved, that is, not the premises of the demonstration but its conclusion. For whatever power hypothesis has to give them credibility in the case of things that reveal will also belong to it in the case of the things revealed by demonstration. But if it is untrustworthy, then even if the conclusion of the demonstration is hypothesized many times without demonstration, both it and what is assumed to establish it will remain untrustworthy unless taught through demonstration.
French AI-generated translation, non-official
Codex gpt-5.6-sol · Non-official working translation · 2026-09-11
D’ailleurs, si ce qu’ils supposent est ferme et crédible au moment où ils le supposent, qu’ils ne supposent pas les propositions à partir desquelles ils démontreront quelque chose, mais la chose même à démontrer, c’est-à-dire non les prémisses de la démonstration, mais sa conclusion. La force persuasive que possède pour eux l’hypothèse dans le cas des choses qui dévoilent vaudra aussi dans celui des choses dévoilées par la démonstration. Mais si la conclusion de la démonstration, même supposée plusieurs fois sans démonstration, est indigne de foi, ce qui est admis pour l’établir sera également indigne de foi s’il n’est pas enseigné au moyen d’une démonstration.
Concepts in this passage
Equipollence
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Knowledge
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Suspension of judgment
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