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Theorem base for Specification zbranch-array-sorted

This is a listing of all goals defined over the current specification. Axioms are marked yellow, proved theorems green and unproved theorems blue. Click on individual names to get more information on the proof.

Name: Sequent: Type:
le-key ⊦ key0 ≤ key1 ↔ ¬ key1 < key0 An Axiom
sorted-base ⊦ sorted(zbrar, n, 0) An Axiom
sorted-rec ⊦ sorted(zbrar, n, m + 2) ↔ n < # zbrar ∧ zbrar[n].key < zbrar[n + 1].key ∧ sorted(zbrar, n + 1, m + 1) An Axiom
sorted-one ⊦ sorted(zbrar, n, 1) An Axiom
keep-sorted ⊦ zbr.key = zbrar[n0].key ∧ n0 < # zbrar → (sorted(zbrar[n0, zbr], n, m) ↔ sorted(zbrar, n, m)) A User Theorem
sorted-alln + m ≤ # zbrar ⊦ sorted(zbrar, n, m) ↔ (∀ m0, m1. m0 < m1 ∧ m1 < m → zbrar[n + m0].key < zbrar[n + m1].key) A User Theorem
sorted-branch-lt-post ⊦ m1 < m ∧ zbrar[n + m1] = mkzbranch(key, adr, r) ∧ sorted(zbrar, n, m) → (zbrar[n].key < key ↔ 0 ≠ m1) A User Theorem
sorted-entry-lt-post ⊦ m1 < m ∧ zbrar[n + m1] = mkzentry(key, adr) ∧ sorted(zbrar, n, m) → (zbrar[n].key < key ↔ 0 ≠ m1) A User Theorem
sorted-eq-entry⊦ m0 < m ∧ m1 < m ∧ m ≤ # zbrar ∧ sorted(zbrar, 0, m) ∧ zbrar[m0] = mkzentry(key, adr0) → (zbrar[m1] = mkzentry(key, adr1) ↔ m0 = m1 ∧ adr0 = adr1) A User Theorem
sorted-eq-entry-strongm0 < m, m1 < m, m ≤ # zbrar ⊦ sorted(zbrar, 0, m) ∧ zbrar[m0] = mkzentry(key, adr0) → (zbrar[m1] = mkzentry(key, adr1) ↔ m0 = m1 ∧ adr0 = adr1) A User Theorem
sorted-lt ⊦ m0 < m ∧ m1 < m ∧ sorted(zbrar, 0, m) → (zbrar[m0].key < zbrar[m1].key ↔ m0 < m1) A User Theorem
sorted-lt-h ⊦ m0 < m ∧ m1 < m ∧ sorted(zbrar, n, m) → (zbrar[n + m0].key < zbrar[n + m1].key ↔ m0 < m1) A User Theorem
sorted-lt-post ⊦ m1 < m ∧ sorted(zbrar, n, m) → (zbrar[n].key < zbrar[n + m1].key ↔ 0 ≠ m1) A User Theorem
sorted-lt-pre ⊦ m0 < m ∧ sorted(zbrar, n, m) → ¬ zbrar[n + m0].key < zbrar[n].key A User Theorem
sorted-rec1 ⊦ sorted(zbrar, n, m + 1) → (sorted(zbrar, n + 1, m) ↔ true) A User Theorem