The Analogical Engine

A math and haskell blog
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Cale’s Index

Natural Transformations

  • Part 1
  • Part 2
  • Part 3.a
  • Part 3.b
  • Part 4
  • Part 5

String diagrams

Adjunctions

  • Part 1
  • Part 2
  • Part 3

Vector spaces via monads

  • Part 1

Categorical Logic

  • Part I

Other topics

  • A note about conjugation of permutations
  • A plot of permutation indices
  • Inversions on permutations and words
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    • Matrices and Determinants
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    • Back from the Dead
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    • Inversions in permutations and words
    • Permutation indices
    • Open Source Mathematics Software
    • Another nice analogy
    • A nice analogy
    • Matrices in Haskell II
    • Matrices in Haskell I
    • Coloured Permutations in GAP II
  • Math

    • A neighbourhood of Infinity
    • blog :: Brent -> [String]
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