λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[sigma:Set].λ[alpha:Set].λ[sa:Π[x:alpha].(sigma).set].λ[s:sigma].λ[a:alpha].λ[seasa:{((a).sa).(s).(sigma)}.esti]}.<{({(sa).(alpha).(sigma)}.unmore).(s).(sigma)}.esti>.{({(seasa).(a).(λ[y:alpha].{((y).sa).(s).(sigma)}.esti).(alpha)}.somei).(s).(λ[x:sigma].{(λ[y:alpha].{((y).sa).(x).(sigma)}.esti).(alpha)}.some).(sigma)}.estii 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")