A Combinator and Presheaf Topos Model for Primitive Recursion over ...

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Isabelle HOL, and prove the existence of a combinator for primitive re- ..... I EEE S y mp . o n Log i c in ompu te r Sc ien c e , LI S '99 , r ent o, I t al y , 2 - 5. J ul y 1 ...
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