λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[a:dif].λ[b:dif].λ[n:((b).zero).not].λ[h:dif].λ[k:dif].λ[e:{(a).({(h).(b)}.td)}.eq].λ[f:{(a).({(k).(b)}.td)}.eq]}.<({({(k).(h)}.md).(b)}.td).zero>.{({({(f).(e).(k).(h).(n).(b).(a)}.t1).({(k).(b)}.td).({(h).(b)}.td)}.satzd182e).({(k).(h).(b)}.distmtd2).({({(k).(h)}.md).(b)}.td).({({(k).(b)}.td).({(h).(b)}.td)}.md)}.eqzero 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")