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[zeta:cut].λ[upsilon:cut].λ[l:{(eta).(ksi)}.lessis].λ[k:{(upsilon).(zeta)}.less]}.<{({(upsilon).(eta)}.pl).({(zeta).(ksi)}.pl)}.less>.{({({(k).(upsilon).(zeta)}.satz122).({(l).(eta).(ksi)}.satz125).(zeta).(upsilon).(ksi).(eta)}.satz138a).({(zeta).(ksi)}.pl).({(upsilon).(eta)}.pl)}.satz121 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")