Task: Description Logic Reasoning (ontology: Legal/LKIF_Core_Ontology)

Given the following Description Logic expression, determine whether it is satisfiable with respect to the local ontology module. Answer only true or false.

Expression:
∃in_force.(time_modification.duration.some(Efficacy_Interval)) ⊓ ¬(∃in_force.(time_modification.duration.some(Efficacy_Interval)))

True. true
False. false

Answer: false