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[m:{(eta).(ksi)}.more].λ[y0:rat].λ[ly:{(y0).(ksi)}.lrt].λ[uy:{(y0).(eta)}.urt].λ[x0:rat].λ[lx:{(x0).(ksi)}.lrt].λ[l:{(x0).(y0)}.less].λ[x1:rat].λ[ux1:{(x1).(ksi)}.urt]}.<({(eta).(ksi)}.diff).cutprop>.{(λ[x:rat].λ[t:{({(eta).(ksi)}.diff).(x)}.in].{(t).(x).(m).(eta).(ksi)}.t32).(λ[x:rat].λ[t:{({(eta).(ksi)}.diff).(x)}.in].λ[y:rat].λ[u:{(x).(y)}.less].{(u).(y).(t).(x).(m).(eta).(ksi)}.t22).({(ux1).(x1).(m).(eta).(ksi)}.t15).(x1).({(l).(lx).(x0).(uy).(ly).(y0).(m).(eta).(ksi)}.t10).({({(l).(lx).(x0).(uy).(ly).(y0).(m).(eta).(ksi)}.t9).(y0).(x0)}.mn).({(eta).(ksi)}.diff)}.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")