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[i:{(eta).(ksi)}.is].λ[j:{(upsilon).(zeta)}.is]}.<{({(upsilon).(eta)}.ts).({(zeta).(ksi)}.ts)}.is>.{({(j).(eta).(upsilon).(zeta)}.ists2).({(i).(zeta).(eta).(ksi)}.ists1).({(upsilon).(eta)}.ts).({(zeta).(eta)}.ts).({(zeta).(ksi)}.ts).(cut)}.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")