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3 cards from this section. Quick, good the night before a test.
What is the dual of 'P ∧ Q'?
Remember to swap AND with OR.
If the dual of 'A ∨ True' is 'X', what is X?
Consider how constants transform.
What is the dual of 'A ∨ B'?
Remember to swap.
True or False: The dual of a dual is the original proposition.
Think logically
Prove that: If P ≡ Q, then P* ≡ Q*.
Focus on transforming the expressions correctly.
Create a complex dual and show both the dual and its dual back.
Use the operational rules clearly.
6 more questions in this section. Enroll free to practise them all.
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