Assertion: root's number | /r/HasProperty | proposed for first time
Facets:
value: historically
type: TEMPORAL
Source sentences:
text: This number was proposed for the first time in relationship to musical tuning in the sixteenth and seventeenth centuries.
text: Historically this number was proposed for the first time in relationship to musical tuning in 1580 (drafted, rewritten 1610) by Simon Stevin.