λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[x:nat].λ[y:nat].λ[z:nat].λ[m:{(y).(x)}.more].λ[u:nat].λ[du:{(u).(y).(x)}.diffprop]}.<{({(u).({(z).(y)}.pl)}.pl).({(z).(x)}.pl)}.is>.{({({(z).(y)}.pl).(u)}.compl).({(z).(y).(u)}.asspl1).({({(du).(u).(m).(z).(y).(x)}.t1).(z).({(y).(u)}.pl).(x)}.ispl1).({(u).({(z).(y)}.pl)}.pl).({({(z).(y)}.pl).(u)}.pl).({(z).({(y).(u)}.pl)}.pl).({(z).(x)}.pl).(nat)}.tr3is 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")