λδ digital library (LDDL)
Constant
Informal description: ""
{λ[a1:cut].λ[a2:cut].λ[b1:cut].λ[b2:cut].λ[l:{({(a2).(b1)}.pl).({(b2).(a1)}.pl)}.less]}.<{({(b2).(b1)}.df).({(a2).(a1)}.df)}.lessd>.{({({(l).({(a2).(b1)}.pl).({(b2).(a1)}.pl)}.satz122).(a2).(a1).(b2).(b1)}.moredi12).({(a2).(a1)}.df).({(b2).(b1)}.df)}.lemmad5 Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100