<I-N-CA>Constraint Model of Activity

• I - Issues - Implied Constraints

• N - Node (Activity) Constraints

• C - Critical Constraints

  • O - Critical Ordering Constraints
  • V - Critical Variable/Object Constraints

• A - Auxiliary Constraints

  • Non-critical Ordering and Variable Constraints
  • Authority, World State, Resource, Spatial Constraints
  • Miscellaneous Constraints

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