Nuprl Lemma : ite_rw_false
13,42
postcript
pdf
T
:Type,
b
:
,
x
,
y
:
T
. (
(
b
))
(if
b
then
x
else
y
fi =
y
)
latex
Up
bool
1
,
bool
1
Definitions
,
t
T
,
x
:
A
.
B
(
x
)
,
False
,
P
Q
,
A
Lemmas
not
wf
,
bnot
wf
,
assert
wf
,
bool
wf
origin
T:Type, b:
, x, y:T. (
(
b)) 
(if b then x else y fi = y) T:Type, b:, x, y:T. ((b)) (if b then x else y fi = y) 
Tx:A. B(x) QA