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COMMENTS
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All examples in this Bongard Problem are outlines of smooth shapes with a pinch in the middle and with two tiny black circles attached to the outside of the shape (tangent).
A shape with either dot tangent to the the valley section would be ambiguous. |
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REFERENCE
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M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 220. |
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CROSSREFS
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Adjacent-numbered pages:
BP15 BP16 BP17 BP18 BP19 * BP21 BP22 BP23 BP24 BP25
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KEYWORD
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nice, finished, traditional, bongard
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CONCEPT
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near_far (info | search),
neck_narrowing (info | search),
separation_of_joined_objects (info | search)
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AUTHOR
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Mikhail M. Bongard
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