# Reference 1. [A Sequent Calculus for Type Theory](http://www.cs.ru.nl/J.McKinna/RESEARCH/csl2006.pdf) 1. [Statically typed PostgreSQL queries in TypeScript](https://www.cs.mcgill.ca/~mxia3/2016/11/18/Statically-typed-PostgreSQL-queries-and-typescript-schemats/) 1. [Lambdas are Codatatypes](http://blog.ielliott.io/lambdas-are-codatatypes/) 1. [SPL LIFT— Statically Analyzing Software Product Linesin Minutes Instead of Years](https://www.bodden.de/pubs/bmb+13spllift.pdf) 1. [jQuery, but for types](https://willcrichton.net/notes/jquery-for-types/)