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How to express forall_exists in Imandra #11

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Bronsa opened this issue Sep 4, 2019 · 0 comments
Open

How to express forall_exists in Imandra #11

Bronsa opened this issue Sep 4, 2019 · 0 comments
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Bronsa commented Sep 4, 2019 •
edited by mattjbray
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Imandra's logic is purely computational, without existential quantifiers.
In order to prove forall x exists y s.t. phi(x,y), you define a computable witnessing Skolem function f(x) and use Imandra to prove forall x (phi(x, f(x)))
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