(7steps total)
PrintForm
Definitions
well
fnd
Sections
StandardLIB
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
wellfounded
functionality
wrt
implies
T1
,
T2
:Type,
r1
:(
T1
T1
Prop),
r2
:(
T2
T2
Prop).
T1
=
T2
(
x
,
y
:
T1
.
r1
(
x
,
y
)
r2
(
x
,
y
))
WellFnd{i}(
T1
;
x
,
y
.
r1
(
x
,
y
))
WellFnd{i}(
T2
;
x
,
y
.
r2
(
x
,
y
))
By:
Unfolds [`wellfounded`;`guard`] 0 THEN UnivCD
Generated subgoal:
1
1.
T1
: Type
2.
T2
: Type
3.
r1
:
T1
T1
Prop
4.
r2
:
T2
T2
Prop
5.
T1
=
T2
6.
x
,
y
:
T1
.
r1
(
x
,
y
)
r2
(
x
,
y
)
7.
P
:(
T1
Prop). (
j
:
T1
. (
k
:
T1
.
r1
(
k
,
j
)
P
(
k
))
P
(
j
))
(
n
:
T1
.
P
(
n
))
8.
P
:
T2
Prop
9.
j
:
T2
. (
k
:
T2
.
r2
(
k
,
j
)
P
(
k
))
P
(
j
)
n
:
T2
.
P
(
n
)
6
steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(7steps total)
PrintForm
Definitions
well
fnd
Sections
StandardLIB
Doc