λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[q:Π[t:cx].Π[u:cx].cx].λ[x:nat].λ[f:Π[t:(x).1to].cx].λ[g:Π[t:(x).1to].cx].λ[pg:{(g).(f).(x).(q)}.recprop].λ[u:nat].λ[l:{(x).((u).suc)}.lessis]}.<{((({({(l).(u).(x).(q)}.t14).({(l).(u).(x).(q)}.ux).(x).(q)}.ns).f).(({(l).(u).(x).(q)}.ux).g).q).(({(l).((u).suc).(x)}.outn).g)}.is>.{({({(l).(u).(x).(q)}.t14).({(l).(u).(x).(q)}.ux).(pg).(g).(f).(x).(q)}.t4).({(l).(u).(pg).(g).(f).(x).(q)}.t17).((({({(l).(u).(x).(q)}.t14).({(l).(u).(x).(q)}.ux).(x).(q)}.ns).f).(({(l).(u).(x).(q)}.ux).g).q).(({({(l).(u).(x).(q)}.t14).({(l).(u).(x).(q)}.ux).(x).(q)}.ns).g).(({(l).((u).suc).(x)}.outn).g).(cx)}.tris 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")