Nuprl Lemma : last-change
11,40
postcript
pdf
es
:ES,
x
,
i
:Id,
T
:Type.
(
x
,
y
:
T
. Dec(
x
=
y
T
))
@
i
(
x
:
T
)
e'
@
i
.
(
e
<
e'
. (
x
when
e
) = (
x
when
e'
)
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)
(
e
:E
(
((
e
<loc
e'
)
(
c
((
((
x
when
e
) = (
x
after
e
)
T
))
(
c
& (
e''
:E. (
e
<loc
e''
)
e''
loc
e'
((
x
when
e''
) = (
x
when
e'
)
T
)))))
latex
Definitions
x
:
A
.
B
(
x
)
,
P
Q
,
e
@
i
.
P
(
e
)
,
P
Q
,
x
:
A
.
B
(
x
)
,
A
c
B
,
(
e
<loc
e'
)
,
P
&
Q
,
e
loc
e'
,
,
t
T
,
x
.
t
(
x
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,
e
<
e'
.
P
(
e
)
,
T
,
True
,
{
T
}
,
@
i
(
x
:
T
)
,
P
Q
,
x
(
s
)
,
P
Q
,
A
,
False
,
Dec(
P
)
Lemmas
alle-at-iff
,
alle-lt
wf
,
es-loc
wf
,
es-when
wf
,
es-vartype
wf
,
es-causl
wf
,
not
wf
,
es-loc-pred
,
es-locl-iff
,
es-after
wf
,
es-locl
wf
,
es-le-loc
,
assert
wf
,
es-first
wf
,
es-pred
wf
,
es-dtype
wf
,
decidable
wf
,
Id
wf
,
event
system
wf
,
es-le
wf
,
squash
wf
,
true
wf
,
es-E
wf
,
es-pred-locl
,
es-locl
transitivity2
,
es-le
weakening
,
es-le-iff
,
es-axioms
origin