λδ digital library (LDDL)
Constant
![\lambda\delta butterfly [butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png)
Informal description: ""
{λ[x:nat].λ[n:{(1).(x)}.nis]}.<(λ[u:nat].{((u).suc).(x)}.is).some>.{(n).((x).t4).((λ[u:nat].{((u).suc).(x)}.is).some).({(1).(x)}.is)}.ore2 Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100