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[u0:rat].λ[i:{({(eta).(ksi)}.prod).(u0)}.in].λ[z0:rat].λ[l:{(u0).(z0)}.less].λ[x0:rat].λ[lx:{(x0).(ksi)}.lrt].λ[y0:rat].λ[ly:{(y0).(eta)}.lrt].λ[j:{({(y0).(x0)}.ts).(u0)}.is]}.<{({(x0).(z0)}.ov).(eta)}.lrt>.{({(j).(ly).(y0).(lx).(x0).(l).(z0).(i).(u0).(eta).(ksi)}.t9).({(x0).(z0)}.ov).(ly).(y0).(eta)}.satz120 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")