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authorRaito Bezarius2024-04-12 20:03:38 +0200
committerRaito Bezarius2024-04-12 20:04:10 +0200
commit54905c9536301024e9b265d524f775f5a8000a71 (patch)
tree8a36d0fd8546c8440dea039dd2235a1e43f50f0c
parenteb91d225437a0023fb17a344d4a125b7261c3b78 (diff)
feat: cleanup the Main
Signed-off-by: Raito Bezarius <masterancpp@gmail.com>
Diffstat (limited to '')
-rw-r--r--Main.lean34
1 files changed, 1 insertions, 33 deletions
diff --git a/Main.lean b/Main.lean
index 6010d26..be6e1dc 100644
--- a/Main.lean
+++ b/Main.lean
@@ -1,36 +1,4 @@
import «AvlVerification»
open Primitives
-namespace Avl
-
--- synthesize inhabited?
--- synthesize type aliases
--- AVLTree T := Option<Box<AVLNode>> ~ AVLTree T := Option<AVLNode>
-
-open avl_verification
-variable {T: Type}
-
--- instance {H: avl_verification.Ord T}: LT T := {
--- lt := λ x y => H.cmp x y = Result.ret Ordering.Less
--- }
-
--- This is the binary search invariant.
-def BSTree.searchInvariant {H: avl_verification.Ord T} (t: AVLTree T) := match t with
-| none => True
-| some (AVLNode.mk y u v) => ∀ x ∈ AVLTree.setOf (u : AVLTree T), H.cmp y x = Result.ret Ordering.Less ∧ ∀ x ∈ AVLTree.setOf (v : AVLTree T), H.cmp y x = Result.ret Ordering.Greater
-
--- Prove that:
--- searchInvariant t <-> searchInvariant t.left /\ searchInvariant t.right /\ something about t.val
--- searchInvariant t -> searchInvariant t.left /\ searchInvariant t.right by weakening.
-
-def BSTree.nil_has_searchInvariant {H: avl_verification.Ord T}: @BSTree.searchInvariant _ H AVL.nil.root := by trivial
-
-theorem BSTree.searchInvariant_children {H: avl_verification.Ord T} (t: AVLTree T): @searchInvariant _ H t -> @searchInvariant _ H t.left ∧ @searchInvariant _ H t.right := sorry
-
-def AVLTree.height (t: AVLTree T) := AVL.height t
-def AVLTree.balanceFactor (t: AVLTree T): Int := t.right.height - t.left.height
-def AVLTree.balanceInvariant (t: AVLTree T) := t.balanceFactor = -1 ∨ t.balanceFactor = 0 ∨ t.balanceFactor = 1
-
-def AVLTree.mem_eq_setOf (t: AVLTree T): AVLTree.mem t = t.setOf := rfl
-
-end Avl
+def Main := ""