Nuprl Lemma : inconsistent-bool-eq
11,40
postcript
pdf
(tt = ff
)
False
latex
ProofTree
Definitions
False
,
t
T
,
ff
,
tt
,
,
s
=
t
,
,
Void
,
P
Q
,
P
Q
,
P
&
Q
,
P
Q
,
Unit
,
left
+
right
,
,
#$n
,
case
b
of inl(
x
) =>
s
(
x
) | inr(
y
) =>
t
(
y
)
Lemmas
unit
wf
,
bool
wf
,
btrue
wf
,
bfalse
wf
,
false
wf
origin
T, ff, tt, 
, s = t, 
, Void, P 
Q, P 
Q, P & Q, P Q, Unit, left + right, 
, #$n, case b of inl(x) => s(x) | inr(y) => t(y)