(P1343)
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(Q19219752)
(Q1029706)
(Q99225097)
(P1683)
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"The expression ... / They are seven ... ; the second group comprises arithmetic, geometry, astronomy, and music, i.e. the mathematico-physical disciplines, known as the artes reales, or physicae. / ... / Socrates having ... / In the "Republic" ... / The intermediate course embraces the mathematical branches, viz. arithmetic, geometry, astronomy, and music," (language: en)
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(Q123397)
(P854)
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http://classics.mit.edu/Plato/republic.8.vii.html
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(P1683)
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"I should ... / Can we deny that a warrior should have a knowledge of arithmetic? // You mean geometry? // True. / ... / But what do you say of music, ... // Let us ... / And suppose we make astronomy the third ... / True ... / Then ... , let us go on to astronomy, which will be fourth." (language: en)
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(P767)
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