(3steps 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
1
1.
a
:
2.
b
:
3.
y
:
4. GCD(
a
;
b
;
y
)
GCD(-
a
;
b
;
y
)
By:
(BackThru
Thm*
a
,
b
,
y
:
. GCD(
a
;
b
;
y
)
GCD(
b
;
a
;
y
))
THEN
(BackThru
Thm*
a
,
b
,
y
:
. GCD(
a
;
b
;
y
)
GCD(
a
;-
b
;
y
))
THEN
(BackThru
Thm*
a
,
b
,
y
:
. GCD(
a
;
b
;
y
)
GCD(
b
;
a
;
y
))
Generated subgoal:
1
GCD(
a
;
b
;
y
)
Trivial
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(3steps total)
PrintForm
Definitions
Lemmas
num
thy
1
Sections
StandardLIB
Doc
GCD(-a;b;y)
GCD(-a;b;y)
a,b,y:. GCD(a;b;y) 
GCD(b;a;y))
a,b,y:. GCD(a;b;y) GCD(a;-b;y))
a,b,y:. GCD(a;b;y) GCD(b;a;y)) GCD(a;b;y)
