(8steps total)
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Definitions
DiscreteMath
Sections
DiscrMathExt
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IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
inj
from
empty
unique
1
1.
A
: Type
2.
B
: Type
3.
(
A
)
!
(
A
inj
B
)
By:
(
x
.
x
)
A
B
| Inj(
A
;
B
;
x
.
x
) Asserted THEN Witness:
x
.
x
Generated subgoals:
1
4.
x
:
A
x
B
1
step
2
4. (
x
.
x
)
A
B
Inj(
A
;
B
;
x
.
x
)
2
steps
3
4. (
x
.
x
)
A
B
5. Inj(
A
;
B
;
x
.
x
)
(
x
.
x
)
A
inj
B
1
step
4
4. (
x
.
x
)
A
B
5. Inj(
A
;
B
;
x
.
x
)
6.
y
:
A
inj
B
(
x
.
x
) =
y
A
inj
B
2
steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(8steps total)
PrintForm
Definitions
DiscreteMath
Sections
DiscrMathExt
Doc