Local Identity?

• Global IC: Rigid properties

• Local IC (+L): non-Rigid properties

• Local IC identifies instances of f only when they are instances of f

  • same-wing-pattern for Butterfly:

    • nec & suf but only when one entity is an instance of Butterfly, but not when that entity is a caterpillar
  • same-registration-no. for students

    • Only-suf: Holds only when one entity is in a certain ìstudent experienceî

• Global IC identifies an entity for its entire existence (only for +R properties)

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