λδ digital library (LDDL)
Constant
![\lambda\delta butterfly [butterfly]](http://helm.cs.unibo.it/lambdadelta/images/b5.png)
Informal description: ""
<{(timesfrt).(rat)}.fixf>.λ[x:frac].λ[y:frac].λ[z:frac].λ[u:frac].λ[v:(y).(x).eq].λ[w:(u).(z).eq].{(w).(v).(u).(z).(y).(x)}.t20 Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100