λδ digital library (LDDL)
Constant
![\lambda\delta butterfly [butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png)
Informal description: ""
{λ[x:frac].λ[y:frac].λ[z:frac].λ[l:{(y).(x)}.lessf].λ[k:{(z).(y)}.lesseq]}.<{(z).(x)}.lessf>.{(λ[t:{(z).(y)}.eq].{(l).(t).(x).(z).(y)}.eqlessf2).(λ[t:{(z).(y)}.lessf].{(t).(l).(z).(y).(x)}.satz50).(k).({(z).(x)}.lessf).({(z).(y)}.eq).({(z).(y)}.lessf)}.orapp Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100