The VikiD Truth
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VikiD in his red suit and yellow cape, floating cross-legged with an open book

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Hello, I'm VikiD. Look closer, truth below: that's the whole idea. This site is two things. The Writing is my essays from Substack; the knowledge base is years of notes on code, maths, philosophy, languages and music, all linked together. Don't read it in order. Pick a path below and follow the links.

Browse essays by topicSee the knowledge graph

New to Lisp & PicoLisp

Where the site began. Start with the tutorial, then lift the lid on the machine.

  1. PicoLisp what it is and why
  2. The Vikid PicoLisp Tutorial the Vikid tutorial
  3. Picolisp Tutorials
  4. The Picolisp Machine how the interpreter works
  5. Picolisp Databases
  6. Lambda Calculus the theory underneath
  7. Common Lisp
  8. BCIYH build a computer in your head

Maths: from relations to fields

One climb, in order: what a relation is, then structure piled on structure.

  1. Sets and Structures
  2. Set Relations
  3. Reflexivity
  4. Symmetry
  5. Transitivity
  6. Groups
  7. Quotient Groups
  8. Rings
  9. Commutative Rings
  10. Fields
  11. Vector Spaces where it leads next

Philosophy picks

A way in, then a few thinkers worth the time.

  1. VikiD Philosophy the VikiD approach
  2. Philosophers to Study
  3. Epicurus (341–270 BCE) s
  4. Ludwig Wittgenstein
  5. teleology
  6. Philosophy in Physics
  7. Liar Liar an essay on the liar's paradox

Languages

How I learn them, and the ones I keep coming back to.

  1. How to Learn Languages the method
  2. Toki Pona
  3. Learn Esperanto Website Notes
  4. Vikid Swahili
  5. viKid Arabic
  6. Spanish
  7. The Tao of Esperanto

The best essays

If you only read a handful from Substack, read these.

  1. The Truth
  2. The True Heart of a Computer
  3. The Hard Problem
  4. Freewill or Freewon’t?
  5. The Coincidence Of Opposites
  6. The Sermon of The Vikid Truth
  7. The Vikid Fast - Day 1 of 20
  8. Why Write?