λδ digital library (LDDL)
Constant
![\lambda\delta butterfly [butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png)
Informal description: ""
{λ[x0:rat].λ[nx0:(x0).natrt]}.<(λ[t:nat].{(t).(x0)}.natprop).one>.{(nx0).((x0).t23).(λ[t:nat].{(t).(x0)}.natprop).(nat)}.onei Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100