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]}.<{({(1).({(y).(x)}.pl)}.fr).({({(1).(y)}.fr).({(1).(x)}.fr)}.pf)}.eq>.{(1).(y).(x)}.satz57 Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100