λδ digital library (LDDL)
Constant
![\lambda\delta butterfly [butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png)
Informal description: ""
{λ[x:nat].λ[p:(x).prop4].λ[f:Π[y:nat].nat].λ[pf:{(f).(x)}.prop2]}.<{(((x).suc).suc).((1).{(pf).(f).(p).(x)}.g)}.is>.{({({(pf).(f).(p).(x)}.t16).((x).suc).((1).f)}.ax2).({(1).(pf).(f).(p).(x)}.t15).(((x).suc).suc).(((1).f).suc).((1).{(pf).(f).(p).(x)}.g).(nat)}.tris Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100