Created
March 10, 2015 11:38
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What I think eval and eval_l should look like
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| lemma "eval (Ref e) s = do { | |
| (v, s) ← eval_l e s; | |
| (case v of (A _) ⇒ Some (v, s) | _ ⇒ None) | |
| }" | |
| lemma "eval_l (Derefl e) s = do { | |
| (v, s) ← eval e s; | |
| (case v of (A _) ⇒ Some (v, s) | _ ⇒ None) | |
| }" |
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