Nuprl Lemma : int_iseg_properties
9,38
postcript
pdf
i
,
j
:
,
y
:{
i
...
j
}. (
i
y
)
(
y
j
)
latex
ProofTree
Definitions
True
,
T
,
t
T
,
x
:
A
.
B
(
x
)
,
P
Q
,
SqStable(
P
)
,
P
Q
,
{
i
...
j
}
Lemmas
int
iseg
wf
,
decidable
le
,
sq
stable
from
decidable
,
le
wf
,
sq
stable
and
origin
i,j:
, y:{i...j}. (i 
y) 
(y j)
i,j:, y:{i...j}. (i y) (y j)
T
Tx:A. B(x)
Q Q