The Safety of Higher Order Demand Propagation

Dirk Pape
Institut für Informatik
Freie Universität Berlin

Report B 98-16
November 1998

Higher Order Demand Propagation as proposed in Report B 98-15 provides a non-standard denotational semantics for a realistic functional language. This semantics can be used to deduce generalised strictness information for higher order polymorphic functions. This report provides the formal proof for the correctness of this strictness information with respect to the non-strict standard semantics.

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