Rhet gre 1355a4-6ἡ δὲ (5) πίστις ἀπόδειξίς τις τότε γὰρ πιστεύομεν μάλιστα ὅταν (6) ἀποδεδεῖχθαι ὑπολάβωμεν),
Rhys Roberts 1924 engPersuasion is clearly a sort of demonstration, since we are most fully persuaded when we consider a thing to have been demonstrated.
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