λδ digital library (LDDL)
Constant
![\lambda\delta butterfly [butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png)
Informal description: ""
{λ[x:nat].λ[p:(x).prop4].λ[f:Π[y:nat].nat].λ[pf:{(f).(x)}.prop2]}.<{((x).suc).((1).{(pf).(f).(p).(x)}.g)}.is>.{((x).satz4a).({({(pf).(f).(p).(x)}.t15).(1).(x).((1).f)}.ispl1).((x).suc).({(1).(x)}.pl).((1).{(pf).(f).(p).(x)}.g).(nat)}.tris Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100