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"Type Theory and Formal Proof: An Introduction" book formalization in Lean

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Type Theory and Formal Proof: An Introduction

This is a formalization of the book "Type Theory and Formal Proof: An Introduction" by Rob Nederpelt and Herman Geuvers.

Chapters

  1. Untyped Lambda Calculus
  2. Simply Typed Lambda Calculus

Caution

Be sure to review the book's errata (page 51).

License

BSD-3-Clause