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Delphi at the Docks
From Delphi the Dreamer


Delphi is visiting the docks at Piraeus with her father.  However, his last instruction to her had been to ‘wait here’ and ‘not to argue with anybody’, but Delphi had done that and was a bit bored now.  Besides, an old sea captain had told her about the mystery of ‘The Ship of Theseus’ – a ship that somehow has become two ships.  She might even be able to get a few coins for doing a few jobs like shifting a heap of grain - but she soon discovers that even a task like that might be much more complicated than she imagined.  Delphi takes on two ancient logical problems in this intriguing and argumentative nautical adventure!

This download consists of the Delphi at the Docks enquiry from Delphi the Dreamer.


This lesson gives the children two famous logical problems to tackle, with the focus of the lesson being on understanding the problems and recognising they are difficult to answer.  The first is the Sorites paradox – when does a heap of grain become or stop being a heap when it is moved?  The second is the tale of the Ship of Theseus, where a ship is slowly replaced piece by piece, and the old pieces are used to recreate the ship.  Both stories are explored with practical activities to help children understand these problems.  The aim of the lesson is to summarise and identify what is interesting about these problems, and ask questions to explore them, rather than trying to solve them.


  • The full colour e-book of Delphi at the Docks from Delphi the Dreamer, including guidance notes for teachers throughout.
  • Detailed lesson plan.
  • The newly updated Delphi Philosophy Enquiry Guide, a quick-start guide to teaching with Delphi Philosophy.
  • Picture slideshow, including all the questions and hand drawn and painted colour illustrations.
  • All the sentence stems and other resources ready to print off for your classroom.


Terms and Conditions apply.


Please note that due to disruption caused by Covid-19, we were unable to trial these resources as thoroughly as we usually would.  Therefore, materials may change in the future - but should the resources change substantially, we will be in touch and happy to send you an updated version.  We would also value your feedback in the ongoing development of these materials.

Delphi at the Docks - Enquiry Pack

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