λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[x:real].λ[ix:(x).intrl].λ[y:real].λ[iy:(y).intrl].λ[ly:{(x).(y)}.lessis].λ[f:{(cx).(ly).(iy).(y).(ix).(x)}.seq].λ[pi:{(f).(cx).(ly).(iy).(y).(ix).(x)}.proofsirrelevant].λ[q:Π[t:cx].Π[u:cx].cx].λ[a:(q).assoc].λ[u:real].λ[iu:(u).intrl].λ[l:{(u).(y)}.lessis].λ[k:{(x).(u)}.less]}.<Π[t:real].Π[v:(t).intrl].Π[lt:{(t).(y)}.lessis].Π[kt:{(u).(t)}.lessis].cx>.λ[t:real].λ[v:(t).intrl].λ[lt:{(t).(y)}.lessis].λ[kt:{(u).(t)}.lessis].({(kt).(lt).(v).(t).(k).(l).(iu).(u).(a).(q).(pi).(f).(ly).(iy).(y).(ix).(x)}.t1).(lt).(v).(t).f 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")