λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[r:real].λ[a0:dif].λ[a0ir:{((r).class).(a0)}.inn].λ[i:{(0).(r)}.is]}.<(a0).zero>.{({({(1rp).(1rp)}.isstd).({(1rp).(1rp)}.stmis).(({(1rp).(1rp)}.df).std).(1rp).(({(1rp).(1rp)}.df).stm).(cut)}.tris).({({(i).(0).(r).(real)}.symis).(a0ir).(({(1rp).(1rp)}.df).innclass).(a0).({(1rp).(1rp)}.df).(r).(0)}.isex).(a0).({(1rp).(1rp)}.df)}.eqzero 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")