λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[x:frac].λ[y:frac].λ[z:frac]}.<{({(z).(x)}.tf).({({({({(z).(y).(x)}.2z).({(y).(x)}.2y)}.ts).((x).2x)}.ts).({({({(y).(x)}.2y).({(z).(y).(x)}.1z)}.ts).((x).1x)}.ts)}.fr)}.eq>.{({(y).(z).(x)}.t2).({({({({(z).(y).(x)}.2z).({(y).(x)}.2y)}.comts).((x).2x).({({(y).(x)}.2y).({(z).(y).(x)}.2z)}.ts).({({(z).(y).(x)}.2z).({(y).(x)}.2y)}.ts)}.ists2).({({({(y).(x)}.2y).({(z).(y).(x)}.2z)}.ts).((x).2x)}.ts).({({({(z).(y).(x)}.2z).({(y).(x)}.2y)}.ts).((x).2x)}.ts).({({({(y).(x)}.2y).({(z).(y).(x)}.1z)}.ts).((x).1x)}.ts)}.eqd).({(z).(x)}.tf).({({({({(y).(x)}.2y).({(z).(y).(x)}.2z)}.ts).((x).2x)}.ts).({({({(y).(x)}.2y).({(z).(y).(x)}.1z)}.ts).((x).1x)}.ts)}.fr).({({({({(z).(y).(x)}.2z).({(y).(x)}.2y)}.ts).((x).2x)}.ts).({({({(y).(x)}.2y).({(z).(y).(x)}.1z)}.ts).((x).1x)}.ts)}.fr)}.treq 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")