Task description

The Assumption hierarchy editor enables the user to define a hierarchy of assumptions with child-parent relations between them. Assumptions are labels which are used to indicate that certain conditions are presumed to be true. They are often used to constrain the possible behaviour of a model. Because they describe neither structural nor behavioural aspects of a system, they belong to neither the structural building blocks nor the behavioural building blocks categories.

Task context

The Assumption hierarchy editor is located in the Build tasks workspace and can be accessed from there. Assumptions can be used in Model fragments and Scenarios and Quantities and Attributes can be attached to them. Build tasks | Scenario editor | Model Fragment editor

Tasks in this workspace

In this workspace Assumptions can be added to the hierarchy, they can be edited and deleted from the hierarchy and several changes to the layout of the hierarchy can be made.

Add: Assumption
Delete: Assumption
Edit: Assumption
Change view: Collapse | Expand
Layout: Horizontal | List | Vertical
Save: Diagram to EPS file

Menu options
Edit: Save diagram to EPS file | Add assumption | Edit assumption | Delete assumption
View: Layout horizontal | Layout vertical | Layout as list | Change view collapse | Change view expand
Additional features
Naming ingredients | Tooltips | Action buttons
Definitions involved ingredients
Assumption | Attribute | Entity | Influence | Model | Quantity
Icons
Icons related to this task
Related tasks
Other tasks for this ingredient : Add assumption | Edit assumption | Delete assumption
Similar tasks for other ingredients : Edit entity hierarchy | Edit agent hierarchy | Edit configuration definitions | Edit quantity definitions | Edit quantity spaces definitions | Edit 'About this model and Sketch' | Edit attribute definitions | Edit scenarios definitions | Edit model fragments definitions

Example

Assumptiom definitions hierarchy

In this example the Assumption hierarchy is shown with four classes of assumptions, Default, Not active, Operating and Simplifying.

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