Nuprl Lemma : bnot_bnot_elim
9,38
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p
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ProofTree
Definitions
t
T
,
x
:
A
.
B
(
x
)
,
tt
,
ff
,
if
b
then
t
else
f
fi
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b
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Unit
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Lemmas
bool
wf
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btrue
wf
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bfalse
wf
origin