λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[sigma:Set].λ[s0:sigma].λ[t0:sigma].λ[s:sigma]}.<{(s).({(t0).(s0).(sigma)}.wissel).(sigma).(sigma)}.image>.{(λ[v:({(s0).(s).(sigma)}.is).not].{(v).(s).(t0).(s0).(sigma)}.t35).(λ[v:{(s0).(s).(sigma)}.is].{(v).(s).(t0).(s0).(sigma)}.t30).({(s).({(t0).(s0).(sigma)}.wissel).(sigma).(sigma)}.image).({(s0).(s).(sigma)}.is)}.th1 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")