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[s:{(real).(ly).(iy).(y).(ix).(x)}.seq].λ[ins:{(s).(ly).(iy).(y).(ix).(x)}.inseq].λ[pri:{(s).(real).(ly).(iy).(y).(ix).(x)}.proofsirrelevant].λ[ps:{(s).(ly).(iy).(y).(ix).(x)}.perm]}.<{({(ins).(s).(ly).(iy).(y).(ix).(x)}.shiftseq).(({(ly).(iy).(y).(ix).(x)}.shiftl).1to).(({(ly).(iy).(y).(ix).(x)}.shiftl).1to)}.bijective>.{({({(ps).({(s).(ly).(iy).(y).(ix).(x)}.surjseq).({(s).(ly).(iy).(y).(ix).(x)}.injseq)}.ande2).(pri).(ins).(s).(ly).(iy).(y).(ix).(x)}.surjshiftseq).({({(ps).({(s).(ly).(iy).(y).(ix).(x)}.surjseq).({(s).(ly).(iy).(y).(ix).(x)}.injseq)}.ande1).(ins).(s).(ly).(iy).(y).(ix).(x)}.injshiftseq).({({(ins).(s).(ly).(iy).(y).(ix).(x)}.shiftseq).(({(ly).(iy).(y).(ix).(x)}.shiftl).1to).(({(ly).(iy).(y).(ix).(x)}.shiftl).1to)}.surjective).({({(ins).(s).(ly).(iy).(y).(ix).(x)}.shiftseq).(({(ly).(iy).(y).(ix).(x)}.shiftl).1to).(({(ly).(iy).(y).(ix).(x)}.shiftl).1to)}.injective)}.andi 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")