(8steps total)
PrintForm
Definitions
DiscreteMath
Sections
DiscrMathExt
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
inj
from
empty
unique
1
2
1.
A
: Type
2.
B
: Type
3.
(
A
)
4. (
x
.
x
)
A
B
Inj(
A
;
B
;
x
.
x
)
By:
Analyze
Generated subgoal:
1
5.
a1
:
A
a2
:
A
. (
x
.
x
)(
a1
) = (
x
.
x
)(
a2
)
a1
=
a2
1
step
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(8steps total)
PrintForm
Definitions
DiscreteMath
Sections
DiscrMathExt
Doc
(
A)
x.x) 
B
Inj(A; B; 
a2:A. (
a1 = a2
