(4steps total)
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Definitions
Lemmas
PrimesSquareRoots
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DiscrMathExt
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
A number and its square have the same prime divisors.
At:
prime
divides
square
a
:
. prime(
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)
(
x
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.
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|
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By:
Auto
Generated subgoals:
1
1.
a
:
2. prime(
a
)
3.
x
:
4.
a
|
x
x
a
|
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2
steps
2
1.
a
:
2. prime(
a
)
3.
x
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4.
a
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x
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x
x
1
step
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(4steps total)
PrintForm
Definitions
Lemmas
PrimesSquareRoots
Sections
DiscrMathExt
Doc
a:
. prime(a) 
(x:. a | x
x 
a | x) a:. prime(a) (x:. a | xx a | x)
x
a | x
a | xx
