λδ digital library (LDDL)
Constant
![[spacer]](http://lambdadelta.info/images/b5.png "lambdadelta butterfly")
Informal description: ""
{λ[x:
nat
]
.
λ[y:
nat
]}
.
<{({(x)
.
(y)}
.
ts
)
.
({(y)
.
(x)}
.
ts
)}
.
is
>
.
{(y)
.
(x)}
.
satz29
Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sun, 04 Jan 2015 22:04:39 +0100
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