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)}.pl).({(y).(x)}.pl)}.is>.{(x).(λ[z:nat].λ[u:{(y).(z)}.prop1].{(u).(y).(z)}.t6).({(y).(x)}.t3).(λ[z:nat].{(y).(z)}.prop1)}.induction Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100