(5steps total)
PrintForm
Definitions
Lemmas
DiscreteMath
Sections
DiscrMathExt
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
exp
exp
reduce1
1
1.
a
:
2.
b
:
3.
c
:
c
(
a
b
) = (
c
b
)
a
By:
BackThru:
Thm*
a
,
b
:
. (
a
~
b
)
a
=
b
...w
Generated subgoal:
1
(
c
(
a
b
)) ~
((
c
b
)
a
)
3
steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(5steps total)
PrintForm
Definitions
Lemmas
DiscreteMath
Sections
DiscrMathExt
Doc
c
(a
b) = (cb)a
c(ab) = (cb)a
a,b:. (a ~ b) 
a = b ...w (c(ab)) ~ ((cb)a)
