(4steps total)
PrintForm
Definitions
Lemmas
num
thy
1
Sections
StandardLIB
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
gcd
p
neg
arg
a
,
b
,
y
:
. GCD(
a
;
b
;
y
)
GCD(
a
;-
b
;
y
)
By:
Unfold `gcd_p` 0
Generated subgoals:
1
1.
a
:
2.
b
:
3.
y
:
4.
y
|
a
5.
y
|
b
6.
z
:
.
z
|
a
&
z
|
b
z
|
y
y
| -
b
1
step
2
1.
a
:
2.
b
:
3.
y
:
4.
y
|
a
5.
y
|
b
6.
z
:
.
z
|
a
&
z
|
b
z
|
y
7.
z
:
8.
z
|
a
9.
z
| -
b
z
|
y
2
steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(4steps total)
PrintForm
Definitions
Lemmas
num
thy
1
Sections
StandardLIB
Doc