λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[r:real].λ[s:real]}.<{({((s).abs).((r).abs)}.ts).(({(s).(r)}.ts).abs)}.is>.{(λ[x:dif].λ[y:dif].λ[t:{((r).class).(x)}.inn].λ[u:{((s).class).(y)}.inn].{(u).(t).(y).(x).(s).(r)}.t2).({({((s).abs).((r).abs)}.ts).(({(s).(r)}.ts).abs)}.is).(s).(r)}.realapp2 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")