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).(y)}.tf).(x)}.tf).({(z).({(y).(x)}.tf)}.tf)}.eq>.{({({({(z).(y).(x)}.2z).({(y).(x)}.2y)}.ts).({({(z).(y).(x)}.1z).({(y).(x)}.1y)}.ts).(x)}.tfeq1b).({({({(z).(y).(x)}.2z).({(y).(x)}.2y).((x).2x)}.assts1).({({(z).(y).(x)}.1z).({(y).(x)}.1y).((x).1x)}.assts1).({({({(z).(y).(x)}.2z).({(y).(x)}.2y)}.ts).((x).2x)}.ts).({({({(z).(y).(x)}.1z).({(y).(x)}.1y)}.ts).((x).1x)}.ts).({({(z).(y).(x)}.2z).({({(y).(x)}.2y).((x).2x)}.ts)}.ts).({({(z).(y).(x)}.1z).({({(y).(x)}.1y).((x).1x)}.ts)}.ts)}.eqnd).({({({(y).(x)}.2y).((x).2x)}.ts).({({(y).(x)}.1y).((x).1x)}.ts).(z)}.tfeq2a).({({(z).(y)}.tf).(x)}.tf).({({({({(z).(y).(x)}.2z).({(y).(x)}.2y)}.ts).((x).2x)}.ts).({({({(z).(y).(x)}.1z).({(y).(x)}.1y)}.ts).((x).1x)}.ts)}.fr).({({({(z).(y).(x)}.2z).({({(y).(x)}.2y).((x).2x)}.ts)}.ts).({({(z).(y).(x)}.1z).({({(y).(x)}.1y).((x).1x)}.ts)}.ts)}.fr).({(z).({(y).(x)}.tf)}.tf)}.tr3eq 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")