λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[p:prop3].λ[x:nat].λ[q:{(x).((p).y)}.prop1].λ[u:nat].λ[i:{({(u).((p).y)}.pl).(x)}.is].λ[t:nat].λ[j:{({(t).(u)}.pl).((p).y)}.is]}.<{({(x).(x)}.ts).({({((p).y).((p).y)}.ts).({((p).y).((p).y)}.ts)}.pl)}.is>.{({(q).(x).(p)}.t11).(({((p).y).((p).y)}.ts).t1).({(x).(x)}.ts).({({((p).y).((p).y)}.ts).((1).suc)}.ts).({({((p).y).((p).y)}.ts).({((p).y).((p).y)}.ts)}.pl).(nat)}.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")