GoGeometry Action 143!

Creation of this resource was inspired by a [url=https://twitter.com/gogeometry/status/994723184833331205]tweet[/url] posted by [url=https://twitter.com/gogeometry]Antonio Gutierrez[/url] (GoGeometry). [br][br]You can move any of the [b]LARGE POINTS[/b] anywhere you'd like [b]AT ANY TIME[/b]. [br][br]Without looking at referenced tweet, how would you describe the phenomena you see in your own words? [br][br][b][color=#1e84cc]How can we formally prove what is dynamically illustrated here? [/color][/b]
Quick (Silent) Demo

Information: GoGeometry Action 143!