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