A Computer Takes the LSAT: The Preamble

This is the second in a series of posts demonstrating how to encode LSAT Puzzle questions in the Ergo Lite programming language. To start from the beginning, go to the introductory post.

In this post, we will encode the “preamble” to the section of questions. These are the basic rules that apply to all of the following questions. By analogy to automating legal services, these rules represent statute law or regulations.

The preamble reads as follows:

Exactly three films — Greed, Harvest, and Limelight — are…