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Displaying 1-4 of 4 results found.     page 1
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BP146 A shape contains a square if and only if it is a circle vs. a shape contains a square if and only if it is a triangle.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP141 BP142 BP143 BP144 BP145  *  BP147 BP148 BP149 BP150 BP151

KEYWORD

traditional

CONCEPT iff (info | search),
inside (info | search),
triangle (info | search)

AUTHOR

Douglas R. Hofstadter

BP227 Dots touch each other if and only if no large region touches the edges of the box vs. dots dont touch each other if and only if no large region touches the edges of the box.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP222 BP223 BP224 BP225 BP226  *  BP228 BP229 BP230 BP231 BP232

KEYWORD

convoluted, traditional

CONCEPT iff (info | search),
near_far (info | search)

AUTHOR

Giuseppe Insana

BP290 If any non-nosed faces exist, they are happy if and only if happy nosed faces exist as well vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP285 BP286 BP287 BP288 BP289  *  BP291 BP292 BP293 BP294 BP295

KEYWORD

convoluted

CONCEPT existence (info | search),
iff (info | search)

AUTHOR

"Lewis"

BP1082 Shapes are congruent if (and only if) they are enclosed in the same space vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1077 BP1078 BP1079 BP1080 BP1081  *  BP1083 BP1084 BP1085 BP1086 BP1087

KEYWORD

stub, precise, allsorted

CONCEPT iff (info | search)

AUTHOR

Leo Crabbe

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