Please note that some terms may be used multiple times Consi
     Please note that some terms may be used multiple times. Consider the following judgment form: E e downarrow v This judgment form is read as, In the E, e to a v. This judgment form defines a operatic semantics because it relates an with its An E is a mapping from to Consider the following c downarrow e This judgment form is read as, The expression e to e\' (in step) \" This judgment form defines a operational semantics because it specifies how to make a single step  
  
  Solution
values expression variable inference rule evalutes values small-step judgement form reduction evalutes big-step exactly one value environment derivation
