λδ digital library (LDDL)
Constant
![\lambda\delta butterfly [butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png)
Informal description: ""
{λ[x:nat].λ[a:Π[y:nat].nat].λ[b:Π[y:nat].nat].λ[pa:{(a).(x)}.prop2].λ[pb:{(b).(x)}.prop2].λ[y:nat].λ[p:{(y).(pb).(pa).(b).(a).(x)}.prop3]}.<{(b).(x)}.prop1>.{(pb).({(b).(x)}.prop1).({(x).((1).b)}.is)}.ande2 Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100