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[u:(x).1to].cx].λ[y:nat].λ[i:{(x).(y)}.is]}.<{((x).xout).({((y).xout).({(i).(y).(f).(x).(q)}.t1).(y).(x)}.left1to).((x).1to)}.is>.{({(i).(y).(f).(x).(q)}.t3).((x).lessisi3).(x).({({(i).(y).(f).(x).(q)}.t1).({((y).xout).(y)}.1top).(x).(y).({((y).xout).(y)}.inn)}.trlessis).({((y).xout).(y)}.inn).(x)}.isoutni 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")