λδ digital library (LDDL)
Constant
Informal description: ""
{λ[a:dif].λ[b:dif].λ[c:dif].λ[d:dif].λ[e:{(b).(a)}.eq].λ[f:{(d).(c)}.eq]}.<{({(d).(b)}.pd).({(c).(a)}.pd)}.eq>.{({(f).(b).(d).(c)}.eqpd2).({(e).(c).(b).(a)}.eqpd1).({(d).(b)}.pd).({(c).(b)}.pd).({(c).(a)}.pd)}.treq Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100