(6steps total)
PrintForm
Definitions
rel
1
Sections
StandardLIB
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
symmetrized
preorder
T
:Type,
R
:(
T
T
Prop).
Preorder(
T
;
x
,
y
.
R
(
x
,
y
))
(EquivRel
a
,
b
:
T
. Symmetrize(
x
,
y
.
R
(
x
,
y
);
a
;
b
))
By:
Unfolds [`preorder`;`equiv_rel`;`symmetrize`] 0
Generated subgoals:
1
1.
T
: Type
2.
R
:
T
T
Prop
3. Refl(
T
;
x
,
y
.
R
(
x
,
y
))
4. Trans
x
,
y
:
T
.
R
(
x
,
y
)
Refl(
T
;
a
,
b
.
R
(
a
,
b
) &
R
(
b
,
a
))
1
step
2
1.
T
: Type
2.
R
:
T
T
Prop
3. Refl(
T
;
x
,
y
.
R
(
x
,
y
))
4. Trans
x
,
y
:
T
.
R
(
x
,
y
)
Sym
a
,
b
:
T
.
R
(
a
,
b
) &
R
(
b
,
a
)
1
step
3
1.
T
: Type
2.
R
:
T
T
Prop
3. Refl(
T
;
x
,
y
.
R
(
x
,
y
))
4. Trans
x
,
y
:
T
.
R
(
x
,
y
)
Trans
a
,
b
:
T
.
R
(
a
,
b
) &
R
(
b
,
a
)
3
steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(6steps total)
PrintForm
Definitions
rel
1
Sections
StandardLIB
Doc