1. The Apple Analogy: Core – skin – fruit WORKS  3 parts of one thing  each part is distinct from the others  each part has a job to do DOESN’T WORK  if one is taken away it is still an apple  each is only just a part

2. The Ice – Water – Steam Analogy WORKS  3 forms of one thing  each form is suited to a different role but is still H2O DOESN’T WORK  cannot be all three at once  changes from one to another

3. The Father – Husband – Son Analogy WORKS  3 functions of one thing  One person can be all three at the same time and still be one  Each one has all the parts of a man DOESN’T WORK  only one person not three  all three not necessary

4. The Triangle with three angles Analogy WORKS  3 ingredients of one thing  When one angle is taken away, there is no longer a triangle  Distinct but not separable DOESN’T WORK  not three different functions  each one is not by itself a triangle