title: What is System.Reactive.Linq.Observαble? (note the alpha)
body: <p>Whatever is <code>System.Reactive.Linq.Observαble</code>?</p>
  
  <p>Note the Greek letter 'alpha' in place of the 'a'. Observαble not Observable</p>
  
  <p>Found about a hundred classes (all <code>internal</code>) in this namespace in the assembly</p>
  
  <blockquote>
    <p>// C:\Program Files (x86)\Microsoft SDKs\Reactive
    Extensions\v2.0\Binaries.NETFramework\v4.0\System.Reactive.Linq.dll
    // System.Reactive.Linq, Version=2.0.20823.0, Culture=neutral,
    PublicKeyToken=31bf3856ad364e35</p>
  </blockquote>