λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[r:real].λ[s:real]}.<{({(0).({(s).(r)}.ts)}.pli).({({(0).(s)}.pli).({(0).(r)}.pli)}.ts)}.is>.{({({(s).(r)}.t4).({(s).(r)}.t3).(0).({({(s).(0)}.ts).({(0).(r)}.ts)}.pl).({(s).(r)}.ts).({({(0).(0)}.ts).({(s).(r)}.ts)}.mn)}.isrecx12).({(0).(s).(0).(r)}.tsis12a).({(0).({(s).(r)}.ts)}.pli).({({({(s).(0)}.ts).({(0).(r)}.ts)}.pl).({({(0).(0)}.ts).({(s).(r)}.ts)}.mn)}.pli).({({(0).(s)}.pli).({(0).(r)}.pli)}.ts).(cx)}.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")