λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[alpha:Set].λ[x:nat].λ[y:nat].λ[i:{(x).(y)}.is].λ[f:Π[t:(y).1to].alpha].λ[u:(y).1to]}.<{({({(u).({(f).(i).(y).(x).(alpha)}.t4).(y).(x)}.left1to).({(f).(i).(y).(x).(alpha)}.t5).(x).(y)}.left1to).(u).((y).1to)}.is>.{({({(u).(f).(i).(y).(x).(alpha)}.t6).({({(f).(i).(y).(x).(alpha)}.t5).({({(u).({(f).(i).(y).(x).(alpha)}.t4).(y).(x)}.left1to).(x)}.1top).(y).(x).({({(u).({(f).(i).(y).(x).(alpha)}.t4).(y).(x)}.left1to).(x)}.inn)}.trlessis).({({(u).({(f).(i).(y).(x).(alpha)}.t4).(y).(x)}.left1to).(x)}.inn).({(u).(y)}.1top).({(u).(y)}.inn).(y)}.isoutni).({(u).(y)}.isoutinn).({({(u).({(f).(i).(y).(x).(alpha)}.t4).(y).(x)}.left1to).({(f).(i).(y).(x).(alpha)}.t5).(x).(y)}.left1to).({({(u).(y)}.1top).({(u).(y)}.inn).(y)}.outn).(u).((y).1to)}.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")