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[p:(a).posd].λ[n:(b).negd]}.<{(({((b).absd).((a).absd)}.td).m0d).({(b).(a)}.td)}.eq>.{({((b).absd).((a).absd)}.satzd197b).({({({(n).(b)}.absnd).(b).((b).absd)}.satzd177b).({({(p).(a)}.pnotnd).(a)}.absnnd).(b).(((b).absd).m0d).(a).((a).absd)}.eqtd12).({(((b).absd).m0d).((a).absd)}.td).(({((b).absd).((a).absd)}.td).m0d).({(b).(a)}.td)}.treq1 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")