18. All hard-boiled eggs are unwholesome.

19. I am happy.

20. John is not at home.

__________

[See pp. 56, 7]

21. Give a rule for knowing, when we look at the larger Diagram,
what Attributes belong to the Things contained in each compartment.

22. Explain 'Premisses', 'Conclusion', and 'Syllogism'. Give
examples.

23. Explain the phrases 'Middle Term' and 'Middle Terms'.

24. In marking a pair of Premisses on the larger Diagram, why is
it best to mark NEGATIVE Propositions before AFFIRMATIVE ones?

25. Why is it of no consequence to us, as Logicians, whether the
Premisses are true or false?

26. How can we work Syllogisms in which we are told that "some x
are y" is to be understood to mean "the Attribute x, y are COMPATIBLE",
and "no x are y" to mean "the Attributes x, y are INCOMPATIBLE"?

27. What are the two kinds of 'Fallacies'?