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]}.<{(x).({(y).(x)}.pl)}.more>.{({({(y).(x)}.pl).(nat)}.refis).(y).(λ[u:nat].{(u).(x).({(y).(x)}.pl)}.diffprop).(nat)}.somei Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100