λδ digital library (LDDL)
Constant
![[spacer]](http://lambdadelta.info/images/b5.png "lambdadelta butterfly")
Informal description: ""
{λ[y:
nat
]
.
λ[l:{(y)
.
(
1
)}
.
less
]
.
λ[f:Π[t:(
1
)
.
1to
]
.
(y)
.
1to
]}
.
<({(f)
.
((y)
.
1to
)
.
((
1
)
.
1to
)}
.
surjective
)
.
not
>
.
{(λ[t:({({(f)
.
(l)
.
(y)}
.
1y
)
.
((
1o
)
.
f)
.
((y)
.
1to
)}
.
is
)
.
not
]
.
{(t)
.
(f)
.
(l)
.
(y)}
.
t10
)
.
(λ[t:{({(f)
.
(l)
.
(y)}
.
1y
)
.
((
1o
)
.
f)
.
((y)
.
1to
)}
.
is
]
.
{(t)
.
(f)
.
(l)
.
(y)}
.
t7
)
.
(({(f)
.
((y)
.
1to
)
.
((
1
)
.
1to
)}
.
surjective
)
.
not
)
.
({({(f)
.
(l)
.
(y)}
.
1y
)
.
((
1o
)
.
f)
.
((y)
.
1to
)}
.
is
)}
.
th1
Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sun, 04 Jan 2015 22:01:17 +0100
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