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| author | Helmut Grohne <helmut@subdivi.de> | 2012-11-19 14:48:24 +0100 |
|---|---|---|
| committer | Helmut Grohne <helmut@subdivi.de> | 2012-11-19 14:48:24 +0100 |
| commit | 2af4adb34bf68ab64227fc7189117540964559df (patch) | |
| tree | 58a55905b7946b1a202c2f36c0781c5d03ff605f | |
| parent | db5938ed22dc815720b88b62a51b5067e2b02740 (diff) | |
| download | bidiragda-2af4adb34bf68ab64227fc7189117540964559df.tar.gz | |
we can use one more \exists in assoc-enough
| -rw-r--r-- | Precond.agda | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Precond.agda b/Precond.agda index 134c359..b30720c 100644 --- a/Precond.agda +++ b/Precond.agda @@ -23,8 +23,8 @@ open Bidir Carrier deq using (lemma-∉-lookupM-assoc) open BFF.VecBFF Carrier deq using (get-type ; assoc ; enumerate ; denumerate ; bff) -assoc-enough : {getlen : ℕ → ℕ} (get : get-type getlen) → {m : ℕ} → (s : Vec Carrier m) → (v : Vec Carrier (getlen m)) → (h : FinMapMaybe m Carrier) → assoc (get (enumerate s)) v ≡ just h → ∃ λ u → bff get s v ≡ just u -assoc-enough get {m} s v h p = u , cong (fmap (flip map s′ ∘ flip lookup) ∘ (fmap (flip union g))) p +assoc-enough : {getlen : ℕ → ℕ} (get : get-type getlen) → {m : ℕ} → (s : Vec Carrier m) → (v : Vec Carrier (getlen m)) → ∃ (λ h → assoc (get (enumerate s)) v ≡ just h) → ∃ λ u → bff get s v ≡ just u +assoc-enough get {m} s v (h , p) = u , cong (fmap (flip map s′ ∘ flip lookup) ∘ (fmap (flip union g))) p where s′ = enumerate s g = fromFunc (denumerate s) u = map (flip lookup (union h g)) s′ |