λδ digital library (LDDL)
Constant
Informal description: ""
{λ[a:dif].λ[z:(a).zero]}.<((a).absd).zero>.{(z).({({({(z).(a)}.0notnd).(a)}.absnnd).(a).((a).absd)}.symeq).((a).absd).(a)}.eqzero Validation parameters: sort hierarchy = "Z2", kernel options = ""
Last update: Sat, 12 Dec 2020 10:46:54 +0100