Sphaerus of Borysthenes

E278296

Hellenistic philosopher Stoic philosopher ancient Greek philosopher

Sphaerus of Borysthenes was an ancient Greek Stoic philosopher, originally a student of Zeno and later influential at the court of King Cleomenes III of Sparta.

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All labels observed (1)

Label	Occurrences
Sphaerus of Borysthenes canonical	2

Statements (47)

Predicate	Object
instanceOf	Hellenistic philosopher ⓘ Stoic philosopher ⓘ ancient Greek philosopher ⓘ
activeIn	3rd century BCE ⓘ
associatedWith	Borysthenes ⓘ Cleomenes III of Sparta ⓘ Sparta ⓘ Zeno of Citium ⓘ
birthPlace	Borysthenes ⓘ
citizenship	Greek world ⓘ
contemporaryOf	Chrysippus of Soli ⓘ Cleanthes of Assos ⓘ surface form: Cleanthes Cleomenes III of Sparta ⓘ
era	Hellenistic period ⓘ
gender	male ⓘ
influenced	Cleomenes III of Sparta ⓘ Spartan political reforms under Cleomenes III ⓘ
knownFor	discussion of cognitive impressions ⓘ influence on Cleomenes III’s reforms ⓘ strict Stoic views on certainty and assent ⓘ
language	Ancient Greek ⓘ
mentionedIn	Diogenes Laertius, Lives and Opinions of Eminent Philosophers ⓘ Plutarch’s Parallel Lives ⓘ surface form: Plutarch, Life of Cleomenes
name	Sphaerus of Borysthenes self-link ⓘ
notableAnecdote	story of being deceived by wax pomegranates used to test his views on assent ⓘ
occupation	philosopher ⓘ royal adviser ⓘ
philosophicalDiscipline	epistemology ⓘ ethics ⓘ logic ⓘ political philosophy ⓘ
philosophicalPosition	defense of Stoic doctrine of kataleptic impressions ⓘ emphasis on withholding assent in cases of uncertainty ⓘ
philosophicalSchool	Stoicism ⓘ
regionOfActivity	Athens ⓘ Sparta ⓘ
religion	ancient Greek religion ⓘ
servedAtCourtOf	Cleomenes III of Sparta ⓘ
statusOfWorks	survives only in fragments and testimonia ⓘ
studentOf	Cleanthes of Assos ⓘ surface form: Cleanthes Zeno of Citium ⓘ
taught	Stoic ethics ⓘ Stoic logic ⓘ Stoic physics ⓘ
tradition	Stoic tradition ⓘ
wroteAbout	Stoic views on knowledge and certainty ⓘ practical ethics for rulers ⓘ

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Cleanthes of Assos → student → Sphaerus of Borysthenes ⓘ

Sphaerus of Borysthenes → name → Sphaerus of Borysthenes self-link ⓘ