λδ digital library (LDDL)
Constant
![[butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png "\lambda\delta butterfly")
Informal description: ""
{λ[q:Π[t:cx].Π[u:cx].cx].λ[a:(q).assoc].λ[c:(q).commut].λ[x:nat].λ[p:{(x).(c).(a).(q)}.prop2].λ[s:Π[t:({(x).(c).(a).(q)}.xp1).1to].({(x).(c).(a).(q)}.xp1).1to].λ[f:Π[t:({(x).(c).(a).(q)}.xp1).1to].cx].λ[b:{(s).(({(x).(c).(a).(q)}.xp1).1to).(({(x).(c).(a).(q)}.xp1).1to)}.bijective].λ[not1:({(({(x).(c).(a).(q)}.xp1).xout).((({(x).(c).(a).(q)}.xp1).xout).s).(({(x).(c).(a).(q)}.xp1).1to)}.is).not].λ[not2:({(({(x).(c).(a).(q)}.xp1).1out).((({(x).(c).(a).(q)}.xp1).1out).s).(({(x).(c).(a).(q)}.xp1).1to)}.is).not].λ[alpha:({(({(x).(c).(a).(q)}.xp1).xout).({(not2).(not1).(b).(f).(s).(p).(x).(c).(a).(q)}.a0).(({(x).(c).(a).(q)}.xp1).1to)}.is).not]}.<{(λ[t:({(x).(c).(a).(q)}.xp1).1to].((t).{(not2).(not1).(b).(f).(s).(p).(x).(c).(a).(q)}.s1).{(alpha).(not2).(not1).(b).(f).(s).(p).(x).(c).(a).(q)}.s2).(s).(Π[t:({(x).(c).(a).(q)}.xp1).1to].({(x).(c).(a).(q)}.xp1).1to)}.is>.{(λ[t:({(x).(c).(a).(q)}.xp1).1to].{(t).(alpha).(not2).(not1).(b).(f).(s).(p).(x).(c).(a).(q)}.t119).(λ[t:({(x).(c).(a).(q)}.xp1).1to].((t).{(not2).(not1).(b).(f).(s).(p).(x).(c).(a).(q)}.s1).{(alpha).(not2).(not1).(b).(f).(s).(p).(x).(c).(a).(q)}.s2).(s).(({(x).(c).(a).(q)}.xp1).1to).(({(x).(c).(a).(q)}.xp1).1to)}.fisi 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")