λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[st:(natt).set].λ[c1:(st).cond1].λ[c2:(st).cond2].λ[xt:natt]}.<{(λ[u:Π[t:natt].natt].{((λ[v:natt].{(((v).u).suct).(((v).suct).u)}.is).all).({((xt).suct).((1t).u)}.is)}.and).(Π[t:natt].natt)}.one>.{({(xt).(c2).(c1).(st)}.t31).({(xt).(c2).(c1).(st)}.t18).(λ[u:Π[t:natt].natt].{(u).(xt).(c2).(c1).(st)}.prop2t).(Π[t:natt].natt)}.onei Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100
![[Spacer]](http://helm.cs.unibo.it/lambdadelta/images/rainbow.png "\lambda\delta rainbow rule")
![[Generated from XML via XSL]](http://helm.cs.unibo.it/lambdadelta/images/xml_xsl2.png "Generated from XML via XSL")
![[PNG used here]](http://helm.cs.unibo.it/lambdadelta/images/PNGnow2.png "PNG used here")
![[Viewable with any browser]](http://www.anybrowser.org/campaign/bvgraphics/abtfile.png "Viewable with any browser")