Assertion: newton | /r/HasProperty | attractive force
Facets:
value: from the sun
type: LOCATION
value: without demonstration
type: OTHER
Source sentences:
text: Newton also pointed out and acknowledged prior work of others, including Bullialdus, (who suggested, but without demonstration, that there was an attractive force from the Sun in the inverse square proportion to the distance), and Borelli (who suggested, also without demonstration, that there was a centrifugal tendency in counterbalance with a gravitational attraction towards the Sun so as to make the planets move in ellipses).