The On-Line Encyclopedia of Bongard Problems

Something is missing vs. an extra copy of something is added.

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	COMMENTS	`A generalization of Hofstadter's BP148.`
	CROSSREFS	`Adjacent-numbered pages: BP213 BP214 BP215 BP216 BP217 * BP219 BP220 BP221 BP222 BP223`
	KEYWORD	`nice, abstract, traditional`
	CONCEPT	`missing_part (info \| search),` `regular_irregular_change (info \| search),` `extra_part (info \| search)`
	AUTHOR	`Giuseppe Insana`

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