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Theorem base for Specification vfs-base

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:
of-cons ⊦ of-cons(of, dirs, files) ↔ (∀ n. n ∈ of → of[n].ino ∈ files) An Axiom
min3 ⊦ min(n0, n1, n2) = min(n0, min(n1, n2)) An Axiom
is-open ⊦ is-open(ino, of) ↔ (∃ n. n ∈ of ∧ of[n].ino = ino) An Axiom
zero-cons ⊦ zero-cons(files) ↔ (∀ ino. ino ∈ files → zero-cons(ino, files)) An Axiom
valid-content ⊦ valid-content(files) ↔ (∀ ino. ino ∈ files → valid-content(ino, files)) An Axiom
dir-not-open ⊦ of-cons(of, dirs, files) ∧ afs-cons(dirs, files) ∧ ino ∈ dirs → ¬ is-open(ino, of) A User Theorem
has-valid-content ⊦ valid-content(files) ∧ ino ∈ files → valid-content(ino, files) A User Theorem
min-0 ⊦ min(n0, n1, n2) = 0 ↔ n0 = 0 ∨ n1 = 0 ∨ n2 = 0 A User Theorem
min-first ⊦ n0 ≤ n1 ∧ n0 ≤ n2 → min(n0, n1, n2) = n0 A User Theorem
min-le-diff-third ⊦ n2 ≤ n2 - min(n0, n1, n2) ↔ n0 = 0 ∨ n1 = 0 ∨ n2 = 0 A User Theorem
min-less-first ⊦ ¬ n0 < min(n0, n1, n2) A User Theorem
min-less-second ⊦ ¬ n1 < min(n0, n1, n2) A User Theorem
min-less-third ⊦ ¬ n2 < min(n0, n1, n2) A User Theorem
min-second ⊦ n1 ≤ n0 ∧ n1 ≤ n2 → min(n0, n1, n2) = n1 A User Theorem
min-third ⊦ n2 ≤ n0 ∧ n2 ≤ n1 → min(n0, n1, n2) = n2 A User Theorem
of-cons-file ⊦ of-cons(of, dirs, files) ∧ fd ∈ of ∧ of[fd] = mkfile(ino, mode, n) → ino ∈ files A User Theorem
of-cons-notdir ⊦ of-cons(of, dirs, files) ∧ fd ∈ of ∧ of[fd] = mkfile(ino, mode, n) ∧ afs-cons(dirs, files) → ¬ ino ∈ dirs A User Theorem
valid-content-trunc ⊦ ino ∈ files → valid-content(ino, files[ino, mkfile(n1, md, m1, content upto n1)]) A User Theorem