(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:
mul
cancel
in
assoced
a
,
b
:
,
n
:
. ((
n
a
) ~ (
n
b
))
(
a
~
b
)
By:
UnivCD
THEN
(OnMCls [0;-1] (RWH (LemmaC
Thm*
a
,
b
:
. (
a
~
b
)
a
=
b
a
= -
b
)))
Generated subgoal:
1
1.
a
:
2.
b
:
3.
n
:
4.
n
a
=
n
b
n
a
= -
n
b
a
=
b
a
= -
b
3
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
a,b:
, n:
. ((n
a) ~ (nb)) 
(a ~ b) a,b:, n:. ((na) ~ (nb)) (a ~ b)a,b:. (a ~ b) 
a = b 
a = -b)))
a = nb na = -nb
a = b a = -b
