λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[x:nat].λ[p:(x).prop4].λ[f:Π[y:nat].nat].λ[pf:{(f).(x)}.prop2].λ[y:nat]}.<{(((y).{(pf).(f).(p).(x)}.g).suc).(((y).suc).{(pf).(f).(p).(x)}.g)}.is>.{({({(y).(pf).(f).(p).(x)}.t20).((y).{(pf).(f).(p).(x)}.g).(((y).suc).f)}.ax2).({((y).suc).(pf).(f).(p).(x)}.t15).(((y).{(pf).(f).(p).(x)}.g).suc).((((y).suc).f).suc).(((y).suc).{(pf).(f).(p).(x)}.g).(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")