Assertion: greek myth | /r/HasProperty | attested on vase
Facets:
value: of the twelve labors of heracles
type: OTHER
value: earlier than
type: TEMPORAL
value: firstly
type: MANNER
Source sentences:
text: Firstly, many Greek myths are attested on vases earlier than in literary sources: of the twelve labors of Heracles, for example, only the Cerberus adventure occurs in a contemporary literary text.