[Prinsterer, G. van], iii. [412 n.]
[Prodikus], as a writer and critic, iii. [304], [308 n.];
less a sophist than Sokrates, [219];
the choice of Herakles, ii. [267 n.]
Proëms, of Zaleukus and Charondas, iv. [323 n.];
didactic or rhetorical homilies, [322];
to every important law, [321], [383];
as type for poets, [323].
[Proklus], borrowed from Rhodian Eudemus, i. [85 n.];
interpretation of Plato, [xi];
on Leges, iv. [355 n.];
Kritias, [265 n.];
Parmenidês, iii. [64 n.], [80 n.], [80], [90 n.];
Kratylus, [294 n.], [310 n.], [323 n.];
distinction of divine and human names, [300 n.];
analysis of propositions, [237 n.]
[Promêtheus], mythe, ii. [267].
[Property], private, an evil, iv. [327], [333];
perpetuity of lots of land, [326];
succession, [405];
modes of acquiring, [397];
length of prescription, [415];
direct taxation according to, [331];
qualification for magistracies and votes, [ib.], [333];
limited inequality tolerated as to movable, [330];
no private possession of gold or silver, no loans or interest, [331];
see [Communism].
[Prophesy], Plato’s theory of liver’s function, iv. [246];
see [Inspiration].
[Proposition], analysis of, iii. [213];
imperfect, [230], [235];
intercommunion of forms of non-ens and of proposition, opinion, judgment, [213-4];
no analysis or classification of, before Aristotle, [222];
quality of, [235], [248];
Plato’s view of the negative erroneous, [236], [239];
Ideas τῶν ἀποφάσεων, [238 n.];
are false possible, [232];
Plato undertakes impossible task, [249];
some true, others false, assumed by Aristotle, [ ib.];
hypothetical, Diodôrus Kronus on, i. [145];
Philo, [ ib. n.];
contradictory, impossible, [166];
the subject, no real essence apart from predicates, [168 n.];
see [Copula], [Predication].
[Protagoras], character of, ii. [265 n.];
not represented in Euthydêmus, [202];
less a sophist than Sokrates, iii. [219];
not disparagingly viewed by Plato, ii. [288 n.], [290 n.], [296 n.], [303], [314];
relation to Herakleitus, iii. [159 n.];
Homo Mensura, [113];
see [Relativity];
combated by Demokritus, i. [82];
taught by lectures, ii. [203], [301];
Περὶ τοῦ ὄντος, iii. [153 n.];
as a writer and critic, [304], [308 n.];
treatise on eristic, i. [125 n.];
theory of vision, iv. [237 n.];
on the gods, [233 n.]
Protagoras, the, date, i. [304-7], [308], [77], [312], [315], [321], [327], [328], [331 n.], ii. [228 n.], [298 n.];
purpose, [277], [278 n.];
two distinct aspects of ethics and politics, [299];
difference of rhetorical and dialectical method, [300];
introduction illustrates Sokrates’ mission, [263];
question unsolved, [297], [316];
scenery and personages, [259];
Hippokrates eager for acquaintance with Protagoras, [260], iii. [217 n.];
not noticed at the close, ii. [298];
Sophists as teachers, [261];
danger of going to sophist, without knowing what he is about to teach, [262];
visit to Kallias, respect for Protagoras, [264];
Protagoras questioned, [ ib.];
is virtue, teachable, [266];
intends to train youths as virtuous citizens, [ib.];
Protagoras’ mythe, first fabrication of animals by gods, [267];
its value, [276];
social art conferred by Zeus, [268], iii. [275];
Protagoras’ discourse, ii. [269];
its purpose, [274];
prolix, [275];
parodied by Sokrates, [283];
mythe and discourse explain propagation of established sentiment of a community, [274], iii. [274];
justice and sense of shame possessed and taught by all citizens, ii. [269];
virtue taught by parents, &c., [272];
quantity acquired depends on individual aptitude, [ib.];
analogy of learning the vernacular, [273];
theory of punishment, [270];
combines the two modern theories, [270 n.];
why genius not hereditary, [271], [272], [274];
Sokrates analyses, [276];
how far is justice like holiness, [278];
intelligence and moderation identical, having same contrary, [279];
Sokrates’ reasons insufficient, [ib.];
Protagoras’ prolix reply, [280], [281], [284];
Alkibiades claims superiority for Sokrates, [282], [287];
dialectic superior to rhetoric, [282];
Sokrates inferior in continuous debate, [284];
Sokrates on song, and concealed Sophists at Krete and Sparta, [283];
Protagoras on importance of knowledge of poets, [ib.];
interpretation of a song of Simonides, [ib.];
forced interpretation of poets, [285];
poets deliver wisdom without knowing it, [285];
Sokrates depreciates value of debates on poets, [ib.];
colloquial companion necessary to Sokrates, [287];
courage differs materially from rest of virtue, [285], [304 n.], iv. [283 n.];
Sokrates argues that courage is knowledge, ii. [288];
Aristotle on, [170 n.];
courage a right estimate of terrible things, [296], [307];
the reasoning unsatisfactory, [313];
knowledge is dominant agency in mind, [290];
no man does evil voluntarily, [292];
ignorance, not pleasure, the cause of wrongdoing, [294];
pleasure the good, [289], [292], [305], [344-50];
agreement with Aristippus, i. [199-201];
right comparison of pleasures and pains necessary, ii. [293], iii. [391];
virtue a right comparison of pleasures and pains, ii. [293], [305];
actions conducive to pleasure are honourable, [295];
reasoning of Sokrates, [307];
not ironical, [314];
not Utilitarianism, [310 n.];
theory more distinct than any in other dialogues, [308];
but too narrow and exclusively prudential, [309-11], [313], [350 n.];
reciprocity of regard indispensable, [311];
ethical end involves regard for pleasures and pains of others, [312];
permanent and transient elements of human agency, [353-5];
compared with Menon, [245];
Gorgias, [306 n.], [345-8], [349-57], iii. [379];
Politikus, [262], [275], [276];
Philêbus, [380], [391];
Republic, ii. [310], [350 n.];
Timæus, [268 n.];
Leges, iv. [301].