Book 9
11.88
But Agrippa and his school add to themSext. Emp. Pyrrh. Hyp. i. 37 ὄγδοος ὁ ἀπὸ τοῦ πρός τι. The intention of Agrippa was to replace the ten modes by his five. five other modes, resulting respectively from disagreement, extension ad infinitum, relativity, hypothesis and reciprocal inference. The mode arising from disagreement proves, with regard to any inquiry whether in philosophy or in everyday life, that it is full of the utmost contentiousness and confusion. The mode which involves extension ad infinitum refuses to admit that what is sought to be proved is firmly established, because one thing furnishes the ground for belief in another, and so on ad infinitum.
