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[l:{(y).(x)}.lessf].λ[e:{(z).(x)}.eq].λ[f:{(u).(y)}.eq]}.<{(u).(z)}.lessf>.{({(e).(f).({(l).(y).(x)}.satz43).(z).(u).(x).(y)}.satz44).(z).(u)}.satz42 Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100