Mercurial > hg > Papers > 2020 > soto-midterm

annotate src/cbc-hoare-loophelper.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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soto@cr.ie.u-ryukyu.ac.jp
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1 loopHelper : (n : ℕ) → (env : Envc ) → (eq : varn env ≡ n) → (seq : whileTestStateP s2 env)
soto@cr.ie.u-ryukyu.ac.jp
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2 → loopPwP' n env (sym eq) seq (λ env₁ x → (vari env₁ ≡ c10 env₁))
soto@cr.ie.u-ryukyu.ac.jp
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3 loopHelper zero env eq refl rewrite eq = refl
soto@cr.ie.u-ryukyu.ac.jp
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4 loopHelper (suc n) env refl refl =
soto@cr.ie.u-ryukyu.ac.jp
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5 loopHelper n (record { c10 = suc (n + vari env) ; varn = n ; vari = suc (vari env) }) refl (+-suc n (vari env))