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Theorem base for Specification array-copy

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:
Fill-succ ⊦ fill(ar, a, m, n + 1) = fill(ar, a, m, n)[m + n := a] An Axiom
subarray-copyn1 ≥ m0, m0 + m1 ≤ # ar1 ⊦ subarray(copy(ar0, n0, ar1, n1, n2), m0, m1) = copy(ar0, n0, subarray(ar1, m0, m1), n1 - m0, n2) A User Theorem
idexcept-size ⊦ id○(ar0, ar1, n) → # ar0 = # ar1 A User Theorem
subarray-write-belown < n0 ⊦ subarray(ar[n := a], n0, n1) = subarray(ar, n0, n1) A User Theorem
copy-exact# ar0 = m, # ar1 = m ⊦ copy(ar0, 0, ar1, 0, m) = ar0 A User Theorem
idexcept-write-at0 ⊦ id○(ar0[n := a], ar1, n) ↔ id○(ar0, ar1, n) A User Theorem
subarray-copy-elim-exactm1 + n ≤ # ar1 ⊦ subarray(copy(ar0, m0, ar1, m1, n), m1, n) = subarray(ar0, m0, n) A User Theorem
Fill-all ⊦ fill(ar, a) = fill(ar, a, 0, # ar) An Axiom
idexcept-n-copy-other ⊦ m2 ≤ m1 ∧ m1 + n ≤ m2 + m → (id○(ar0, copy(ar, m0, ar1, m1, n), m2, m) ↔ id○(ar0, ar1, m2, m)) A User Theorem
idexcept-n-same ⊦ id○(ar, ar, n, m) ↔ n + m ≤ # ar A User Theorem
idexcept-n-shorterm ≤ m0 ⊦ id○(ar0, ar1, n, m) → (id○(ar0, ar1, n, m0) ↔ n + m0 ≤ # ar0) A User Theorem
copy-other-weakm0 + n0 ≤ m, m + n ≤ # ar, n0 ≤ # ar1, n ≤ # ar0 ⊦ copy(copy(ar0, 0, ar, m, n), m0, ar1, 0, n0) = copy(ar, m0, ar1, 0, n0) A User Theorem
cmp-full-atn < # ar ⊦ cmp(ar, a) → ar[n] = a A User Theorem
subarray-longer-eq-eq ⊦ subarray(ar0, 0, n + m) = subarray(ar1, 0, n + m) → (subarray(ar0, 0, n) = subarray(ar1, 0, n) ↔ true) A User Theorem
Copy-zero ⊦ copy(ar, m, ar0, m0, 0) = ar0 An Axiom
idexcept-comm ⊦ id○(ar0, ar1, n) ↔ id○(ar1, ar0, n) A User Theorem
subarray-copy-higherm0 + m1 ≤ n1, m0 + m1 ≤ # ar ⊦ subarray(copy(ar0, n0, ar, n1, n2), m0, m1) = subarray(ar, m0, m1) A User Theorem
at-fill ⊦ n < # ar → fill(ar, a)[n] = a A User Theorem
at-subarray ⊦ n + m ≤ # ar ∧ n0 < n → subarray(ar, m, n)[n0] = ar[m + n0] A User Theorem
idexcept-extract-left ⊦ ar0[n] = a → (id○(ar0, ar1, n) ↔ ar0 = ar1[n := a]) A User Theorem
copy-rec ⊦ copy(ar, m, ar0, m0, n + 1) = copy(ar, m + 1, ar0, m0 + 1, n)[m0 := ar[m]] A User Theorem
copy-other ⊦ m0 + n0 ≤ m ∧ m + n ≤ # ar ∧ n ≤ # ar0 → copy(copy(ar0, 0, ar, m, n), m0, mkarray(n0), 0, n0) = copy(ar, m0, mkarray(n0), 0, n0) A User Theorem
cmp-write-belown < m0 ⊦ cmp(ar[n := b], a, m0, m1) ↔ cmp(ar, a, m0, m1) A User Theorem
Idexcept-n ⊦ id○(ar0, ar1, m, n) ↔ # ar0 = # ar1 ∧ m + n ≤ # ar0 ∧ (∀ m0. (m0 < m ∨ m + n ≤ m0) ∧ m0 < # ar0 → ar0[m0] = ar1[m0]) An Axiom
cmp-0 ⊦ cmp(ar, a, n, 0) A User Theorem
cmp-at-0 ⊦ m ≠ 0 ∧ cmp(ar, a, n, m) → ar[n] = a A User Theorem
subarray-zero ⊦ subarray(ar, n, 0) = mkarray(0) A User Theorem
idexcept-n-widden ⊦ n ≤ n0 ∧ n0 + m0 ≤ n + m ∧ id○(ar0, ar1, n0, m0) → (id○(ar0, ar1, n, m) ↔ n + m ≤ # ar0) A User Theorem
cmp-cmp-eq ⊦ cmp(ar0, a) ∧ cmp(ar1, a) → (ar0 = ar1 ↔ # ar0 = # ar1) A User Theorem
cmp-cmp ⊦ cmp(ar, a) → cmp(ar, a, 0, # ar) A User Theorem
size-subarray ⊦ # subarray(ar, m, n) = n A User Theorem
cmp-full-writen < # ar ⊦ cmp(ar, a) → (cmp(ar[n := b], a) ↔ a = b) A User Theorem
subarray-copy-elimm1 + n ≤ # ar1 ⊦ n1 ≤ n → subarray(copy(ar0, m0, ar1, m1, n), m1, n1) = subarray(ar0, m0, n1) A User Theorem
subarray-subarray-elim ⊦ n0 + n1 ≤ # ar0 ∧ m0 + m1 ≤ n1 → subarray(subarray(ar0, n0, n1), m0, m1) = subarray(ar0, n0 + m0, m1) A User Theorem
cmp-write-valuen0 < # ar ⊦ cmp(ar, a, n, m) → cmp(ar[n0 := a], a, n, m) A User Theorem
copy-self ⊦ n < # ar → copy(ar, 0, ar, 0, n) = ar A User Theorem
cmp-filln + m ≤ # ar ⊦ cmp(fill(ar, a), a, n, m) A User Theorem
at-fill-other ⊦ n ≥ m ∧ n < # ar → fill(ar, a, 0, m)[n] = ar[n] A User Theorem
size-copy ⊦ # copy(ar, m, ar0, m0, n) = # ar0 A User Theorem
idexcpt-n-copy-hole ⊦ id○(ar, copy(ar0, n0, ar1, n, m), n, m) ↔ id○(ar, ar1, n, m) A User Theorem
Fill-zero ⊦ fill(ar, a, m, 0) = ar An Axiom
Subarray ⊦ subarray(ar, m, n) = copy(ar, m, mkarray(n), 0, n) An Axiom
copy-is-subarray# ar1 = n2 ⊦ copy(ar0, n0, ar1, 0, n2) = subarray(ar0, n0, n2) A User Theorem
cmp-atn < # ar ⊦ cmp(ar, a, 0, # ar) → ar[n] = a A User Theorem
idexcept-extract-right ⊦ ar1[n] = a → (id○(ar0, ar1, n) ↔ ar1 = ar0[n := a]) A User Theorem
subarray-elim# ar = n ⊦ subarray(ar, 0, n) = ar A User Theorem
idexcept-same ⊦ a = ar0[n] ∧ a = ar1[n] → (id○(ar0, ar1, n) ↔ ar0 = ar1) A User Theorem
copy-subarray2# ar1 ≥ m0 + m1 ⊦ copy(ar0, n0, subarray(ar1, m0, m1), n1, n2) = subarray(copy(ar0, n0, ar1, m0 + n1, n2), m0, m1) A User Theorem
idexcept-eq-aboven0 < # ar0 ⊦ n + m ≤ n0 ∧ id○(ar0, ar1, n, m) → (ar0[n0] = ar1[n0] ↔ true) A User Theorem
idexcept-write-at ⊦ id○(ar[n := a], ar, n) A User Theorem
idexcept-n-trans ⊦ id○(ar0, ar1, n, m) ∧ id○(ar1, ar2, n, m) → id○(ar0, ar2, n, m) A User Theorem
copy-subarray1-elimn0 + n1 ≤ # ar0, m + m1 ≤ n1 ⊦ copy(subarray(ar0, n0, n1), m, ar1, m0, m1) = copy(ar0, n0 + m, ar1, m0, m1) A User Theorem
cmp-move-1 ⊦ cmp(ar, a, n, m + 1) → cmp(ar, a, n + 1, m) A User Theorem
Idrange ⊦ idrange(ar, m, n) ↔ (∀ n0. n0 < n → ar[m + n0] = ar[m]) An Axiom
subarray-subarray-elim-0n2 ≤ n1 ⊦ n1 < # ar0 → subarray(subarray(ar0, 0, n1), 0, n2) = subarray(ar0, 0, n2) A User Theorem
at-fill-h0 ⊦ n < m ∧ n < # ar → fill(ar, a, 0, m)[n] = a A User Theorem
idexcept-write-at-right ⊦ id○(ar, ar[n := a], n) A User Theorem
idexcept-n-fill-other ⊦ m1 ≤ m0 ∧ m0 + n0 ≤ m1 + n1 → (id○(ar0, fill(ar1, a, m0, n0), m1, n1) ↔ id○(ar0, ar1, m1, n1)) A User Theorem
Cmp-elem ⊦ cmp(ar, a, m, n) ↔ (∀ n0. n0 < n → ar[m + n0] = a) An Axiom
subarray-elim-simp ⊦ subarray(ar, 0, # ar) = ar A User Theorem
idexcept-write-at0-right ⊦ id○(ar0, ar1[n := a], n) ↔ id○(ar0, ar1, n) A User Theorem
idexcept-trans ⊦ id○(ar0, ar1, n) ∧ id○(ar1, ar2, n) → id○(ar0, ar2, n) A User Theorem
idexcept-comm-simp ⊦ id○(ar0, ar1, n) → id○(ar1, ar0, n) A User Theorem
idexcept-n-trans-successive ⊦ id○(ar0, ar1, n, m) ∧ id○(ar1, ar2, n + m, m0) → id○(ar0, ar2, n, m + m0) A User Theorem
copy-append ⊦ copy(ar0, n + m1, copy(ar0, n, ar1, n1, m1), n1 + m1, m0) = copy(ar0, n, ar1, n1, m0 + m1) A User Theorem
size-fill ⊦ # fill(ar, a) = # ar A User Theorem
subarray-copy-lowern1 + n2 ≤ m0, m0 + m1 ≤ # ar ⊦ subarray(copy(ar0, n0, ar, n1, n2), m0, m1) = subarray(ar, m0, m1) A User Theorem
Idexcept ⊦ id○(ar0, ar1, n) ↔ # ar0 = # ar1 ∧ (∀ m. m < # ar0 ∧ m ≠ n → ar0[m] = ar1[m]) An Axiom
Copy-succ ⊦ copy(ar, m, ar0, m0, n + 1) = copy(ar, m, ar0, m0, n)[m0 + n := ar[m + n]] An Axiom
cmp-write-same ⊦ cmp(ar, a) → ar[n := a] = ar A User Theorem
copy-coalesce ⊦ m1 = # ar1 ∧ m0 ≤ m1 ∧ m0 + n ≤ # ar1 → copy(copy(ar0, n0, ar1, 0, m1), n, ar2, n2, m0) = copy(ar0, n0 + n, ar2, n2, m0) A User Theorem
idexcept-refl ⊦ id○(ar, ar, n) A User Theorem
idexcept-eq-below ⊦ n0 < n ∧ id○(ar0, ar1, n, m) → (ar0[n0] = ar1[n0] ↔ true) A User Theorem
at-copy ⊦ m0 < # ar1 → copy(ar0, n, ar1, n0, m)[m0] = (m0 < n0 ∨ n0 + m ≤ m0 ⊃ ar1[m0];ar0[m0 + n - n0]) A User Theorem
Compare ⊦ cmp(ar, m, ar0, m0, n) ↔ (∀ n0. n0 < n → ar[m + n0] = ar0[m0 + n0]) An Axiom
subarray-at ⊦ n0 < n → subarray(ar, m, n)[n0] = ar[m + n0] A User Theorem
idexcept-n-trans-rev ⊦ id○(ar0, ar1, n, m) ∧ id○(ar2, ar1, n, m) → id○(ar0, ar2, n, m) A User Theorem
Cmp ⊦ cmp(ar, a) ↔ (∀ n. n < # ar → ar[n] = a) An Axiom
at-fill-h ⊦ n < # ar → fill(ar, a, m0, m1)[n] = (m0 ≤ n ∧ n < m0 + m1 ⊃ a;ar[n]) A User Theorem
at-fill-mkarray ⊦ m < n → fill(mkarray(n), a)[m] = a A User Theorem
size-fill-h ⊦ # fill(ar, a, m, n) = # ar A User Theorem
idexcept-n-subarrays⊦ id○(ar0, ar1, n, m) ↔ # ar0 = # ar1 ∧ n + m ≤ # ar0 ∧ subarray(ar0, 0, n) = subarray(ar1, 0, n) ∧ subarray(ar0, n + m, # ar0 - n + m) = subarray(ar1, n + m, # ar0 - n + m) A User Theorem
cmp-fill-full ⊦ cmp(fill(ar, a), a) A User Theorem
cmp-write-aboven + 1 + m ≤ # ar ⊦ cmp(ar[n := a], b, n + 1, m) ↔ cmp(ar, b, n + 1, m) A User Theorem
subarray-up-same ⊦ n < # ar → subarray(ar[n := a], 0, n) = subarray(ar, 0, n) A User Theorem