(3steps total)
PrintForm
Definitions
hol
arithmetic
2
Sections
HOLlib
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
hsub
wd
and
(all(
m
:hnum. equal(sub(0,
m
),0))
,all
,
(
m
:hnum. all(
n
:hnum. equal(sub(suc(
m
),
n
),cond(lt(
m
,
n
),0,suc(sub(
m
,
n
)))))))
By:
HN THEN Unab [`nnsub`] THEN Simp
Generated subgoals:
1
1.
m
:
if 0<
m
then 0 else 0-
m
fi = 0
1
step
2
1.
m
:
2.
n
:
if
m
+1<
n
then 0 else
m
+1-
n
fi
=
if
m
<
n
then 0 else if
m
<
n
then 0 else
m
-
n
fi +1 fi
1
step
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(3steps total)
PrintForm
Definitions
hol
arithmetic
2
Sections
HOLlib
Doc