λδ digital library (LDDL)
Constant
![\lambda\delta butterfly [butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png)
Informal description: ""
{λ[a:Prop].λ[b:Prop].λ[c:Prop].λ[d:Prop].λ[o:{(c).(b).(a)}.or3].λ[i:{(d).(a)}.imp].λ[j:{(d).(b)}.imp].λ[k:{(d).(c)}.imp]}.<d>.{(λ[x:{(c).(b)}.or].{(k).(j).(x).(d).(c).(b)}.orapp).(i).(o).(d).({(c).(b)}.or).(a)}.orapp Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100