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Sextus Empiricus
Against the Professors, Books I-VI of Against the Learned Section 15
Section 448 of 757
Canonical reference 3.15
Ancient Greek
Hermann Mutschmann and Jürgen Mau, editors · adversus-grc
ἀλλʼ ἐξ αὐτοῦ μὲν οὐκ ἂν εἴποιεν. ἄδηλον γάρ ἐστι, τὸ δὲ ἄδηλον ἐξ αὑτοῦ πιστὸν οὐκ ἔστιν ἀποδεικνύναι γοῦν τοῦτο ἐπιβάλλονται ὡς μὴ ἐν αὑτῷ τὴν πίστιν ἔχον. καὶ μὴν οὐδʼ ἐκ τῶν λημμάτων· περὶ γὰρ τούτων ἐστὶν ἡ πᾶσα διαμάχη, καὶ μηδέπω αὐτῶν πεπιστευμένων οὐδέ τὸ ἀποδεικνύμενον ἐξ αὐτῶν βέβαιον εἶναι δύναται.
English AI-generated translation, non-official
Codex gpt-5.6-sol · Non-official working translation · 2026-09-11
But they could not say that they learned it from the conclusion itself. For it is non-evident, and what is non-evident is not credible from itself. Indeed, they undertake to prove it because it does not possess credibility in itself. Nor can they learn it from the premises, for the entire dispute concerns these, and since the premises are not yet trusted, what is proved from them cannot be secure either.
French AI-generated translation, non-official
Codex gpt-5.6-sol · Non-official working translation · 2026-09-11
Ils ne sauraient dire qu’ils l’ont appris d’elle-même. Elle est en effet obscure, et l’obscur n’est pas crédible par lui-même; ils entreprennent précisément de le démontrer parce qu’il ne possède pas en lui-même sa crédibilité. Ils ne l’ont pas davantage appris des prémisses, car tout le conflit porte sur celles-ci; tant qu’elles n’ont pas encore été rendues crédibles, ce qui est démontré à partir d’elles ne peut être ferme.
Concepts in this passage
Equipollence
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Knowledge
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Suspension of judgment
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