Step of Proof: fincr_formation
12,41
postcript
pdf
Inference at
*
1
2
2
I
of proof for Lemma
fincr
formation
:
1.
i
:
2.
f
: {
f
|
i
:{
i1
:
|
i1
(
i
,
j
.
i
<
j
)
i
}
if (
i
=
0) then
else {
f
(
i
- 1)...} fi }
3.
j
:{
k
:
|
k
<
i
} .
f
(
j
)
if (
i
=
0) then
else {
f
(
i
- 1)...} fi
latex
by ((SplitITE 0)
THENW ((Auto_aux (first_nat 1:n) ((first_nat 1:n),(first_nat 3:n)) (first_tok
T
:t) inil_term)))
latex
T
1
: .....truecase..... NILNIL
T1:
4.
i
= 0
T1:
T
2
: .....falsecase..... NILNIL
T2:
4.
i
0
T2:
{
f
(
i
- 1)...}
T
.
Definitions
ff
,
tt
,
t
T
,
if
b
then
t
else
f
fi
,
P
Q
,
P
Q
,
x
:
A
.
B
(
x
)
,
Lemmas
eq
int
eq
false
elim
sqequal
,
eq
int
eq
true
elim
sqequal
,
bool
cases
sqequal
,
eq
int
wf
origin