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].λ[two1:{(y).(x)}.ii].λ[three1:{(y).(x)}.iii]}.<con>.{(λ[u:nat].λ[du:{(u).(y).(x)}.diffprop].{(du).(u).(three1).(two1).(y).(x)}.t8).(con).(two1).(λ[u:nat].{(u).(y).(x)}.diffprop).(nat)}.someapp Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100