λδ digital library (LDDL)
Constant
![\lambda\delta butterfly [butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png)
Informal description: ""
{λ[x:nat].λ[y:nat]}.<{({(y).((x).suc)}.pl).(({(y).(x)}.pl).suc)}.is>.{({(y).(x)}.satz4d).(({(y).(x)}.pl).suc).({(y).((x).suc)}.pl).(nat)}.symis Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100