λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[p:cut].λ[q:cut].λ[r:cut].λ[s:cut].λ[t:cut].λ[u:cut]}.<{({({({(t).(s)}.ts).(q)}.ts).({({(t).(r)}.ts).(p)}.ts)}.pl).({(t).({({(s).(q)}.ts).({(r).(p)}.ts)}.pl)}.ts)}.is>.{({({(t).(s).(q)}.assts1).({(t).(r).(p)}.assts1).({({(t).(s)}.ts).(q)}.ts).({(t).({(s).(q)}.ts)}.ts).({({(t).(r)}.ts).(p)}.ts).({(t).({(r).(p)}.ts)}.ts)}.ispl12).({(t).({(s).(q)}.ts).({(r).(p)}.ts)}.disttp1).({({({(t).(s)}.ts).(q)}.ts).({({(t).(r)}.ts).(p)}.ts)}.pl).({({(t).({(s).(q)}.ts)}.ts).({(t).({(r).(p)}.ts)}.ts)}.pl).({(t).({({(s).(q)}.ts).({(r).(p)}.ts)}.pl)}.ts).(cut)}.tris 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")