λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[x:nat].λ[a:Π[y:nat].nat].λ[b:Π[y:nat].nat].λ[pa:{(a).(x)}.prop2].λ[pb:{(b).(x)}.prop2]}.<{(1).(pb).(pa).(b).(a).(x)}.prop3>.{({(pb).(pa).(b).(a).(x)}.t2).({(pb).(pa).(b).(a).(x)}.t1).(x).((1).b).((1).a).(nat)}.tris2 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")