article_snippet.sent: 56-page book contains Turing's thoughts on the clearly tricky 'Leibniz notation dx/dy'. '
article_snippet.sent: Above, he wrote that the Leibniz notation was 'extremely difficult' the Leibniz notation was written at the Bletchley Park code-breaking headquarters in 1942 and paved the way for computer science. 
article_snippet.sent: Turing (left) wrote the notes at the Bletchley Park code-breaking headquarters in 1942 and they paved the way for computer science.
highlights_snippet.sent: 56-page book contains Turing's thoughts on tricky 'Leibniz notation dx/dy'
  It was written at the Bletchley Park code-breaking headquarters in 1942 .
  