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[x1:frac].λ[y1:frac].λ[x1ix0:{((x0).class).(x1)}.inf].λ[y1iy0:{((y0).class).(y1)}.inf].λ[l:{(y1).(x1)}.lesseq]}.<{(y0).(x0)}.lessis>.{(λ[t:{(y1).(x1)}.eq].{({(t).(y1iy0).(x1ix0).(y1).(x1).(y0).(x0)}.isi).(y0).(x0)}.lessisi2).(λ[t:{(y1).(x1)}.lessf].{({(t).(y1iy0).(x1ix0).(y1).(x1).(y0).(x0)}.lessi).(y0).(x0)}.lessisi1).(l).({(y0).(x0)}.lessis).({(y1).(x1)}.eq).({(y1).(x1)}.lessf)}.orapp 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")