λδ digital library (LDDL)
Constant
Informal description: ""
{λ[a:dif].λ[b:dif]}.<{({(a).(b)}.td).({(b).(a)}.td)}.eq>.{(b).(a)}.satzd194 Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100