λδ digital library (LDDL)
Constant
![[spacer]](http://lambdadelta.info/images/b5.png "lambdadelta butterfly")
Informal description: ""
{λ[x:
nat
]
.
λ[y:
nat
]}
.
<Prop>
.
{(λ[f:Π[t:(x)
.
1to
]
.
(y)
.
1to
]
.
{(f)
.
((y)
.
1to
)
.
((x)
.
1to
)}
.
bijective
)
.
(Π[t:(x)
.
1to
]
.
(y)
.
1to
)}
.
some
Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sun, 04 Jan 2015 22:01:10 +0100
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