The On-Line Encyclopedia of Bongard Problems

The leftmost two angles measured from thin line add to the rightmost versus no two angles add to a third.

(edit; present; nest [left/right]; search; history)

	COMMENTS	`This answer is independent of whether angles are measured clockwise or counter-clockwise; only a consistent choice must be made.`
	CROSSREFS	`Adjacent-numbered pages: BP786 BP787 BP788 BP789 BP790 * BP792 BP793 BP794 BP795 BP796`
	KEYWORD	`math, structure, orderedtriplet, traditional`
	CONCEPT	`addition (info \| search),` `2_inputs_1_output (info \| search)`
	AUTHOR	`Aaron David Fairbanks`

		Hints
(Greetings from The On-Line Encyclopedia of Bongard Problems!)