λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[a:dif].λ[b:dif].λ[c:dif]}.<{({({(c).(b)}.td).({(c).(a)}.td)}.pd).({(c).({(b).(a)}.pd)}.td)}.eq>.{({({(b).(c)}.comtd).({(a).(c)}.comtd).({(c).(b)}.td).({(b).(c)}.td).({(c).(a)}.td).({(a).(c)}.td)}.eqpd12).({(b).(a).(c)}.satzd201).({(c).({(b).(a)}.pd)}.comtd).({({(c).(b)}.td).({(c).(a)}.td)}.pd).({({(b).(c)}.td).({(a).(c)}.td)}.pd).({({(b).(a)}.pd).(c)}.td).({(c).({(b).(a)}.pd)}.td)}.tr3eq 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")