λδ digital library (LDDL)
Constant
![\lambda\delta butterfly [butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png)
Informal description: ""
{λ[x0:rat].λ[y0:rat].λ[z0:rat].λ[i:{(y0).(x0)}.is]}.<{({(y0).(z0)}.ts).({(x0).(z0)}.ts)}.is>.{(i).(z0).(y0).(x0)}.ists2 Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100