λδ digital library (LDDL)
Constant
![\lambda\delta butterfly [butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png)
Informal description: ""
{λ[x:frac].λ[y:frac].λ[l:{(y).(x)}.lessf]}.<{({({({(y).(x)}.2y).((x).2x)}.pl).({({(y).(x)}.1y).((x).1x)}.pl)}.fr).(x)}.lessf>.{({(l).(y).(x)}.t3).({({(y).(x)}.2y).((x).2x)}.pl).({({(y).(x)}.1y).((x).1x)}.pl).(x)}.lessfi1 Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100