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Lemmas
DiscreteMath
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DiscrMathExt
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IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
bijtype
ooc
inj
isect
surjtype
A
,
B
:Type. (
A
bij
B
) ~ ((
A
inj
B
)
(
A
onto
B
))
By:
Auto THEN OOCifExteq
THEN
BackThru:
Thm*
(
A
bij
B
) =ext ((
A
inj
B
)
(
A
onto
B
))
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
PrintForm
Definitions
Lemmas
DiscreteMath
Sections
DiscrMathExt
Doc
A,B:Type. (A bij
B) ~ ((A inj B)
(A onto B)) A,B:Type. (A bij B) ~ ((A inj B)(A onto B)) B) =ext ((A inj B)(A onto B))
