Book 10
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Opinion they also call conception or assumption, and declare it to be true and falseSee § 124, where a true πρόληψις is opposed to a false ὑπόληψις. In Aristotle ὑπόληψις is often a synonym of δόξα· cf. Bonitz, Index Ar., s.v.; for it is true if it is subsequently confirmed or if it is not contradicted by evidence, and false if it is not subsequently confirmed or is contradicted by evidence. Hence the introduction of the phrase, that which awaits confirmation, e.g. to wait and
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get close to the tower and then learn what it looks like at close quarters.See §§ 50, 147. The tower which seems round at a distance and square when we get up to it was the typical example in the school of that process of testing beliefs by observation which is here prescribed. Cf. Lucr. iv. 353 sqq., 501 sqq.; Sext. Emp. Adv. math. vii. 208.
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They affirm that there are two states of feeling, pleasure and pain, which arise in every animate being, and that the one is favourable and the other hostile to that being, and by their means choice and avoidance are determinedi.e. pleasure and pain are the criteria by which we choose and avoid.; and that there are two kinds of inquiry, the one concerned with things, the other with nothing but words.Cf. inf.§ 37.So much, then, for his divisionDivision of philosophy is probably meant. and criterion in their main outline.
