λδ digital library (LDDL)
Constant
![[spacer]](http://lambdadelta.info/images/b5.png "lambdadelta butterfly")
Informal description: ""
{λ[x:
nat
]
.
λ[p:(x)
.
prop2
]
.
λ[y:
nat
]
.
λ[l:{(y)
.
((x)
.
suc
)}
.
less
]}
.
<({(y)
.
((x)
.
xs
)}
.
prop1
)
.
not
>
.
{(λ[f:Π[t:((x)
.
xs
)
.
1to
]
.
(y)
.
1to
]
.
λ[t:{(f)
.
((y)
.
1to
)
.
(((x)
.
xs
)
.
1to
)}
.
bijective
]
.
{(t)
.
(f)
.
(l)
.
(y)
.
(p)
.
(x)}
.
t65
)
.
(λ[f:Π[t:((x)
.
xs
)
.
1to
]
.
(y)
.
1to
]
.
{(f)
.
((y)
.
1to
)
.
(((x)
.
xs
)
.
1to
)}
.
bijective
)
.
(Π[t:((x)
.
xs
)
.
1to
]
.
(y)
.
1to
)}
.
th5
Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sun, 04 Jan 2015 22:01:28 +0100
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