title: Is it context-free language?
body: <p>i have a problem with an exercise: </p>
  
  <blockquote>
    <p>L = {a<sup>n</sup> b<sup>m</sup> c<sup>p</sup> | 1 &lt;= n &lt;= m &lt;= p}</p>
  </blockquote>
  
  <p>Is it possible write a grammar for that exercise ?</p>
  
  <p>I do not understand how to solve it :( please help me</p>