Philosophy 251: Handout #14

 

XXX. Translate each of the following sentences into PL.

  1. All pennies contain copper.
  2. Some dimes contain silver.
  3. Some dimes do not contain silver.
  4. No quarters contain platinum.
  5. Some nickels are buffalo heads.
  6. All nickels contain nickel, but some contain silver.
  7. Some coins contain silver but not gold.
  8. No penny contains silver, but some quarters do.
  9. Every coin minted after 1964 contains zinc.
  10. No coin that contains nickel contains silver.
  11. Some coins are quarters that contain silver and some are nickels that do not.
  12. Some quarters were not minted after 1964.
  13. Any quarter minted before 1964 contains silver.
  14. Some pennies are Indian heads, but no quarter is, and neither is any nickel.
  15. Some coins are valuable, but all the pennies George owns are not.

 

XXXI. Translate each of the following sentences into PL.

  1. All politicians are honest.
  2. No politicians are honest.
  3. Some politicians are honest.
  4. Some politicians are not honest.
  5. An honest politician is not respected.
  6. An honest politician is at the door.
  7. Politicians and influence peddlers are not all honest.
  8. Honest influence peddlers are nonexistent.
  9. An influence peddler is honest if and only if he or she is an amiable lobbyist.
  10. Some but not all obnoxious lobbyists are honest.
  11. If anyone is an influence peddler, Harrington is.
  12. If anyone is an influence peddler, he or she is either a lobbyist, a politician, or a wealthy entrepreneur.
  13. If anyone is an influence peddler, every conniving lobbyist is.
  14. No one is honest, a politician, and an influence peddler.
  15. Harrington is no influence peddler, but is an honest politician.
  16. Everyone is a politician, but not everyone is honest.
  17. If every politician is an influence peddler, then no politician is honest.
  18. Some politicians who are influence peddlers are honest, but none is likeable.
  19. Aggressive lobbyists are likeable influence peddlers, but they are not honest.
  20. Honest politicians are likeable only if an honest lobbyist is nearby.

 

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