a__terms
N
cons
recip
a__sqr
mark
N
terms
s
N
a__sqr
0
0
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s
X
s
a__add
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mark
X
a__dbl
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X
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0
0
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s
X
s
s
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X
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0
X
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X
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s
X
Y
s
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X
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Y
a__first
0
X
nil
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X
cons
Y
Z
cons
mark
Y
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X
Z
a__half
0
0
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s
X
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mark
X
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X
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X1
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X
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X
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X1
X2
a__first
mark
X1
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X2
mark
half
X
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mark
X
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cons
X1
X2
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X1
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X
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X
s
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X
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nil
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X
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X
sqr
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a__add
X1
X2
add
X1
X2
a__dbl
X
dbl
X
a__first
X1
X2
first
X1
X2
a__half
X
half
X
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1
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2
recip
1
a__sqr
1
mark
1
terms
1
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1
0
0
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2
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nil
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1
sqr
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add
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half
1
INNERMOST
./TRS/TRCSR/ExSec11_1_Luc02a_GM.trs