λδ digital library (LDDL)
Constant
![\lambda\delta butterfly [butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png)
Informal description: ""
{λ[a:nat].λ[b:nat].λ[c:nat].λ[d:nat]}.<{({({(c).(b)}.ts).(d)}.ts).({({(d).(c)}.ts).(b)}.ts)}.is>.{({(d).({(c).(b)}.ts)}.comts).({(d).(c).(b)}.assts2).({({(c).(b)}.ts).(d)}.ts).({(d).({(c).(b)}.ts)}.ts).({({(d).(c)}.ts).(b)}.ts).(nat)}.tris Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100