(2steps total)
PrintForm
Lemmas
LogicSupplement
Sections
DiscrMathExt
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
A choice principle.
At:
ax
choice
version2
A
,
B
:Type,
Q
:(
A
B
Prop).
(
x
:
A
.
y
:
B
.
Q
(
x
,
y
))
(
f
:(
A
B
).
x
:
A
.
Q
(
x
,
f
(
x
)))
By:
Auto
Generated subgoal:
1
1.
A
: Type
2.
B
: Type
3.
Q
:
A
B
Prop
4.
x
:
A
.
y
:
B
.
Q
(
x
,
y
)
f
:(
A
B
).
x
:
A
.
Q
(
x
,
f
(
x
))
1
step
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(2steps total)
PrintForm
Lemmas
LogicSupplement
Sections
DiscrMathExt
Doc