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(Q11953040)
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MU puzzle
puzzle in Douglas Hofstadter's book "Gödel, Escher, Bach"
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Statements
instance of
logic puzzle
0 references
Semi-Thue system
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facet of
logic
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discoverer or inventor
Douglas Hofstadtesr
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defining formula
x
I
→
x
I
U
M
x
→
M
x
x
x
I
I
I
y
→
x
U
y
x
U
U
y
→
x
y
{\displaystyle {\begin{aligned}x{\mathtt {I}}&\to x{\mathtt {IU}}\\{\mathtt {M}}x&\to {\mathtt {M}}xx\\x{\mathtt {III}}y&\to x{\mathtt {U}}y\\x{\mathtt {UU}}y&\to xy\end{aligned}}}
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published in
Gödel, Escher, Bach
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maintained by WikiProject
WikiProject Mathematics
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Identifiers
Freebase ID
/m/0cb_dr
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Sitelinks
Wikipedia
(4 entries)
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cawiki
Trencaclosques MU
enwiki
MU puzzle
eswiki
Rompecabezas MU
ruwiki
MU (головоломка)
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