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[a:(q).assoc].λ[x:nat].λ[y:nat].λ[p:{(y).(x).(a).(q)}.prop2].λ[f:Π[t:({(y).(x).(a).(q)}.xpy1).1to].cx]}.<{((({(y).(x).(a).(q)}.yp1).xout).{(f).({(y).(x).(a).(q)}.yp1).(x).(a).(q)}.f2).((({(y).(x).(a).(q)}.xyp1).xout).{(f).(p).(y).(x).(a).(q)}.fr)}.is>.{({(f).(p).(y).(x).(a).(q)}.t28).({(({(y).(x).(a).(q)}.yp1).xout).({(y).(x).(a).(q)}.yp1).(x)}.right1to).({(({(y).(x).(a).(q)}.xyp1).xout).({(y).(x).(a).(q)}.t12).({(y).(x).(a).(q)}.xyp1).({(y).(x).(a).(q)}.xpy1)}.left1to).(f).(cx).(({(y).(x).(a).(q)}.xpy1).1to)}.isf 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")