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Theorem base for Specification bag-array

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

Name: Sequent: Type:
⊦ ar .elems = ar elems # ar An Axiom
⊦ ar elems 0 = ∅ An Axiom
n < # ar ⊦ ar elems (n + 1) = (ar elems n) ++ ar[n] An Axiom
⊦ (ar0 + ar1) .elems = ar0 .elems ∪ ar1 .elems A User Theorem
⊦ n ≤ # ar0 → (ar0 + ar1) elems n = ar0 elems n A User Theorem
⊦ n > # ar0 ∧ n ≤ # ar0 + # ar1 → (ar0 + ar1) elems n = (ar0 elems # ar0) ∪ (ar1 elems (n - # ar0)) A User Theorem
⊦ n < # ar → ar .elems = (subarray(ar, 0, n) .elems ∪ subarray(ar, n + 1, # ar - n - 1) .elems) ++ ar[n] A User Theorem
⊦ ar0 .elems = ar1 .elems → # ar0 = # ar1 A User Theorem
⊦ ar0 .elems = ar1 .elems → (# ar0 < # ar1 ↔ false) A User Theorem
⊦ n < # ar → (¬ ar[n] ∈ ar .elems ↔ false) A User Theorem
⊦ a ∈ ar .elems → (∃ n. n < # ar ∧ ar[n] = a) A User Theorem
⊦ n ≤ # ar ∧ a ∈ ar elems n → (∃ n0. n0 < n ∧ ar[n0] = a) A User Theorem
⊦ n < n0 ∧ n0 ≤ # ar → (¬ ar[n] ∈ ar elems n0 ↔ false) A User Theorem
⊦ # ar .elems = # ar A User Theorem
⊦ n ≤ # ar → # (ar elems n) = n A User Theorem
⊦ n < # ar → ar[n, a] .elems = (ar .elems -- ar[n]) ++ a A User Theorem
⊦ n < n0 ∧ n0 ≤ # ar → ar[n, a] elems n0 = ((ar elems n0) -- ar[n]) ++ a A User Theorem
⊦ n < # ar ∧ n0 ≤ n → ar[n, a] elems n0 = ar elems n0 A User Theorem
⊦ # ar = 1 → ar .elems = ∅ ++ ar[0] A User Theorem