=== Base Template !ClassifiedInvolvement === [[br]]This template is for stating that a thing is involved in an activity, where the kind of involvement is classified. [[br]] [[br]]NOTE 1 This template is also suitable for weak kinds of involvement, “by reference”. [[br]] [[br]]!ClassifiedInvolvement(a, b, c) means that a is an thing and b is an activity and c is a type of involvement. a is involved in activity b and c is the type of involvement. [[br]] [[br]]Roles: [[br]]1 hasInvolved Thing [[br]]2 hasInvolver !activity Activity [[br]]3 hasInvolvementType !ClassOfInvolvementByReference Axiom: {{{ ClassifiedInvolvement(x1, x2, x3) <-> Thing(x1) & Activity(x2) & ClassOfInvolvementByReference(x3) & exists u(InvolvementByReferenceTriple(u, x1, x2) & ClassificationTemplate(u, x3)) . }}}