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[e:{(y).(x)}.eq]}.<{(y).(x)}.lesseq>.{(e).({(y).(x)}.eq).({(y).(x)}.lessf)}.ori2 Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100