Nuprl Lemma : l_contains_nil
11,40
postcript
pdf
T
:Type,
L
:(
T
List). []
L
latex
Definitions
t
T
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Type
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type
List
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[]
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x
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A
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B
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x
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,
(
x
l
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{
x
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t
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as
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t
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{
T
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P
Q
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False
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A
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A
B
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,
SQType(
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x
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A
c
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x
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B
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x
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x
:
A
B
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x
)
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x
L
.
P
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x
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,
A
B
Lemmas
l
member
wf
origin