WhoCites
Definitions
DiscreteMath
Sections
DiscrMathExt
Doc
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Who Cites sigma
to
union?
sigma_to_union
Def sigma_to_union(
e
) ==
e
/
i
,
u
. if
i
=
0
inl(
u
) else inr(
u
) fi
Thm*
A
,
B
:Type. sigma_to_union
(
i
:
2
if
i
=
0
A
else
B
fi)
(
A
+
B
)
eq_int
Def
i
=
j
== if
i
=
j
true
; false
fi
Thm*
i
,
j
:
. (
i
=
j
)
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
WhoCites
Definitions
DiscreteMath
Sections
DiscrMathExt
Doc