λδ digital library (LDDL)
Constant
Informal description: ""
{Π[sigma:Set].Π[tau:Set].Π[s:sigma].Π[t:tau]}.{(t).({({(t).(s).(tau).(sigma)}.pair).(tau).(sigma)}.second).(tau)}.is Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100