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[u:frac].λ[e:{(y).(x)}.eq].λ[l:{(u).(z)}.lessf]}.<{({(y).(u)}.pf).({(x).(z)}.pf)}.lessf>.{({(l).(e).(u).(z).(y).(x)}.satz62j).({(u).(y)}.compf).({(z).(x)}.compf).({(y).(u)}.pf).({(u).(y)}.pf).({(x).(z)}.pf).({(z).(x)}.pf)}.eqlessf12 Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100