(20steps total)
PrintForm
Definitions
Lemmas
FTA
Sections
DiscrMathExt
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
nat
prime
div
each
factorLEMMA
X
:
.
prime(
X
)
(
X1
:
.
X1
<
X
prime(
X1
)
(
a
,
b
:
.
X1
|
a
b
X1
|
a
X1
|
b
))
(
W
:
. 0<
W
W
<
X
(
t
:
.
X
|
t
W
X
|
t
))
By:
Auto
THEN RemoveGuards Concl ...w
Generated subgoal:
1
1.
X
:
2. prime(
X
)
3.
X1
:
.
X1
<
X
prime(
X1
)
(
a
,
b
:
.
X1
|
a
b
X1
|
a
X1
|
b
)
W
:
. 0<
W
W
<
X
(
t
:
.
X
|
t
W
X
|
t
)
19
steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(20steps total)
PrintForm
Definitions
Lemmas
FTA
Sections
DiscrMathExt
Doc