λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[x0:rat].λ[y0:rat].λ[m:{(y0).(x0)}.more].λ[x:frac].λ[y:frac].λ[xix0:{((x0).class).(x)}.inf].λ[yiy0:{((y0).class).(y)}.inf].λ[v:frac].λ[e:{(x).({(v).(y)}.pf)}.eq]}.<{(x0).({((v).ratof).(y0)}.pl)}.is>.{(e).(xix0).({((v).inclass).(yiy0).(v).(y).((v).ratof).(y0)}.picp).(x).({(v).(y)}.pf).(x0).({((v).ratof).(y0)}.pl)}.isi 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")