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view src/cbc-hoare-while.agda @ 1:73127e0ab57c

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author soto@cr.ie.u-ryukyu.ac.jp
date Tue, 08 Sep 2020 18:38:08 +0900
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whileCallwP : (c :  ℕ ) → Set
whileCallwP c = whileTestPwP {_} {_} c (λ env s → loopPwP' (varn env) env refl (conv env s) ( λ env s → vari env ≡ c10 env )  )
  where
    conv : (env : Envc ) → (vari env ≡ 0) /\ (varn env ≡ c10 env) → varn env + vari env ≡ c10 env
    conv e record { pi1 = refl ; pi2 = refl } = +zero