9.2 Inserting a subtype: Abstract

What now?

The next thing, of course, is to add the "Abstract" type as an immediate subtype of "Universal", alongside "Physical". That way, we make it clear that the two are a dichotomy.

"Insert"|"(Sub)Type

  1. Click on "Universal" to highlight it.
  2. Right-click on "Universal".
  3. Choose the "Insert" sub-menu from the pop-up menu.
  4. Choose the "(Sub)Type" menu-item.

Give it a name

In the dialog box that appears, type the name "Abstract":

Then click "OK".

The result

You should now have an ontology that looks like this:

The Physical/Abstract dichotomy has been codified and formalized. This is the first step to a coherent ontology. Congratulations!


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