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[x0:rat].λ[lx:{(x0).(ksi)}.lrt].λ[y0:rat].λ[ly:{(y0).(eta)}.lrt].λ[x1:rat].λ[ux:{(x1).(ksi)}.urt].λ[y1:rat].λ[uy:{(y1).(eta)}.urt]}.<({(eta).(ksi)}.sum).cutprop>.{(λ[x:rat].λ[t:{({(eta).(ksi)}.sum).(x)}.in].{(t).(x).(eta).(ksi)}.t23).(λ[x:rat].λ[t:{({(eta).(ksi)}.sum).(x)}.in].λ[y:rat].λ[u:{(x).(y)}.less].{(u).(y).(t).(x).(eta).(ksi)}.t16).({(uy).(y1).(ux).(x1).(eta).(ksi)}.satz129a).({(y1).(x1)}.pl).({({({(y0).(x0)}.pl).(rat)}.refis).(ly).(y0).(lx).(x0).({(y0).(x0)}.pl).(eta).(ksi)}.sum1).({(y0).(x0)}.pl).({(eta).(ksi)}.sum)}.cut2 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")