λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[ksi:cut].λ[eta:cut].λ[l:{(eta).(ksi)}.less]}.<(λ[x:rat].{({(eta).((x).rpofrt)}.less).({((x).rpofrt).(ksi)}.less)}.and).some>.{(λ[x:rat].λ[t:{(x).(ksi)}.urt].λ[u:{(x).(eta)}.lrt].{(u).(t).(x).(l).(eta).(ksi)}.t4).((λ[x:rat].{({(eta).((x).rpofrt)}.less).({((x).rpofrt).(ksi)}.less)}.and).some).(l).(eta).(ksi)}.lessapp 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")