λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[s:(rat).set].λ[s1:∀[x:rat].∀[t:{(s).(x)}.in].(λ[y:rat].{({(x).(y)}.more).({(s).(y)}.in)}.and).some].λ[x0:rat].λ[i:{(s).(x0)}.in].λ[y0:rat].λ[a:{({(x0).(y0)}.more).({(s).(y0)}.in)}.and]}.<({(x0).(y0)}.lessis).not>.{({(a).(y0).(i).(x0).(s1).(s)}.t22).(x0).(y0)}.satz81g 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")