[net.ai] Essence of Things?

Miklos@YALE.ARPA (05/23/84)

From:  Stephen Miklos <Miklos@YALE.ARPA>

It is not too difficult to come up with a practical problem in which the
identity of the greek ship is important. To wit:
In year One, the owner of the ship writes a last will and testament,
leaving "my ship and all its fittings and appliances" to his nephew.
The balance of his estate he leaves to his wife. In Year Two, he commences
to refit his ship one board at a time. After a few years he has a pile of
old boards which he builds into a second ship. Then he dies.
A few hypotheticals:
   1. Suppose both ships are in existence at the time of probate.
   2. Suppose the old-board ship had been destroyed in a storm.
   3. Suppose the new-board ship had been destroyed in a storm.
   4. Suppose the original ship had been refitted by replacing the old
      boards with fiberglass
   5. Suppose the original boat had not been refitted, but just taken
      apart and later reassembled.
   6. Suppose the original ship had been taken apart and replaced board
      by board, but as part of a single project in which the intention was to
      come up with two boats.
  6a. Suppose that this took a while, and that from time to time
      our Greek testator took the partially-reboarded boat
      out for a spin on the Mediterranean.



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Miklos@YALE.ARPA (05/23/84)

From:  Stephen Miklos <Miklos@YALE.ARPA>

It is not too difficult to come up with a practical problem in which the
identity of the greek ship is important. To wit:
In year One, the owner of the ship writes a last will and testament,
leaving "my ship and all its fittings and appliances" to his nephew.
The balance of his estate he leaves to his wife. In Year Two, he commences
to refit his ship one board at a time. After a few years he has a pile of
old boards which he builds into a second ship. Then he dies.
A few hypotheticals:
   1. Suppose both ships are in existence at the time of probate.
   2. Suppose the old-board ship had been destroyed in a storm.
   3. Suppose the new-board ship had been destroyed in a storm.
   4. Suppose the original ship had been refitted by replacing the old
      boards with fiberglass

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