title: Disable Recursion in Ruby to Force Use of Y Combinator
body: <p>How can Ruby's recursion be 'sabotaged' to disable the ability of ruby methods to engage in recursion?</p>
  
  <p>Needed for the creation of a program to teach lambda calculus, but using Ruby.</p>
  
  <p>Motivation from Crockford on JavaScript - <a href="https://www.youtube.com/watch?v=ya4UHuXNygM&amp;feature=youtu.be&amp;t=1h9m53s" rel="nofollow">https://www.youtube.com/watch?v=ya4UHuXNygM&amp;feature=youtu.be&amp;t=1h9m53s</a></p>