Also, Bif j ϕ and Uif j ϕ are the abbreviations of B j ϕ ∨ ¬B j ϕ and U j ϕ ∨ ¬U j ϕ, respectively, where U j ϕ means that agent j is uncertain about ϕ but the agent supposes that ϕ is more likely than ¬ϕ.
is the rational effect enough to represent our linguistic communication?