Mercurial > hg > Papers > 2021 > soto-prosym

diff Paper/src/cbc-hoare-loophelper.agda @ 0:c59202657321

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author soto <soto@cr.ie.u-ryukyu.ac.jp>
date Tue, 02 Nov 2021 06:55:58 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Paper/src/cbc-hoare-loophelper.agda	Tue Nov 02 06:55:58 2021 +0900
@@ -0,0 +1,5 @@
+loopHelper : (n : ℕ) → (env : Envc ) → (eq : varn env ≡ n) → (seq : whileTestStateP s2 env)
+           → loopPwP' n env (sym eq) seq (λ env₁ x → (vari env₁ ≡ c10 env₁))
+loopHelper zero env eq refl rewrite eq = refl
+loopHelper (suc n) env refl refl =
+           loopHelper n (record { c10 = suc (n + vari env) ; varn = n ; vari = suc (vari env) }) refl (+-suc n (vari env))