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Programming Language Theory Flashcard

Which desirable properties should hold for most systems, which would not?

Question

Which desirable properties should hold for most systems, which would not?

Answer

Should hold:

  • Desired property: Determinacy of one-step evaluation relation.

  • Desired property: Uniqueness of normal forms.

  • Desired property: Value is in normal form.

Might not hold:

  • Desired property: Normal form implies values.

  • Desired property: Termination of evaluation.