λδ digital library (LDDL)
Constant
Informal description: ""
{λ[a:dif].λ[b:dif]}.<Prop>.{({((a).2a).({(b).(a)}.1b)}.pl).({({(b).(a)}.2b).((a).1a)}.pl)}.more Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100