(12steps total)
PrintForm
Definitions
Lemmas
DiscreteMath
Sections
DiscrMathExt
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
nsub
surj
least
preimage
works
gen
1
1
1.
B
: Type
2.
e
:
B
B
3. IsEqFun(
B
;
e
)
4.
a
:
5.
f
:
a
B
6. Surj(
a
;
B
;
f
)
7.
y
:
B
(
x
.(
f
(
x
))
e
y
)
{
p
:(
a
)|
i
:
a
.
p
(
i
) }
By:
Analyze THEN ReduceSOAps Concl
Generated subgoal:
1
i
:
a
. (
f
(
i
))
e
y
3
steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(12steps total)
PrintForm
Definitions
Lemmas
DiscreteMath
Sections
DiscrMathExt
Doc
B
(
x.(f(x)) e y) 
{p:(
i:
