λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[x0:rat].λ[y0:rat].λ[a:Prop].λ[a1:∀[x:frac].∀[y:frac].∀[xi:{((x0).class).(x)}.inf].∀[yi:{((y0).class).(y)}.inf].a].λ[x:frac].λ[xix0:{((x0).class).(x)}.inf]}.<a>.{(λ[y:frac].λ[yi:{((y0).class).(y)}.inf].(yi).(xix0).(y).(x).a1).(a).(y0)}.ratapp1 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")