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Reports (Research Report) Year : 1990

A note on guarded recursion


We introduce a logical notion of well-guardedness for recursive terms on arbitrary signatures defined in Plotkin's framework of structural operational specifications, restricted by de Simone's realizability requirements. We then suggest a simpler form for the logical rule that gives the behaviour of a recursively defined expression in terms of the behaviour of its unfoldings. For well-guarded terms, the simplified rule is logically equivalent to the general rule, but is has not the draw-back to ask for premises more complex that consequences.


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Dates and versions

inria-00075309 , version 1 (24-05-2006)


  • HAL Id : inria-00075309 , version 1


Eric Badouel, Philippe Darondeau. A note on guarded recursion. [Research Report] RR-1249, INRIA. 1990. ⟨inria-00075309⟩
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