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Theorem base for Specification posix-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:
inf-fids ⊦ ∃ fid. ¬ fid ∈ dom fs An Axiom
inf-ofh ⊦ ∃ fd. ¬ fd ∈ dom ofh An Axiom
meta-dirtree[p].dir? ⊦ meta(p, tree, fs) = tree[p].meta An Axiom
meta-file¬ tree[p].dir? ⊦ meta(p, tree, fs) = fs[tree[p].fid].meta An Axiom
fids-cons ⊦ fids-cons(root, fs, ofh) ↔ (∀ fid. fid ∈ fs ↔ fid ∈ root.fids ∨ fid ∈ ofh.fids) An Axiom
ofh-fids ⊦ fid ∈ ofh.fids ↔ (∃ n. n ∈ ofh ∧ ofh[n].fid = fid) An Axiom
posix-crash⊦ posix-crash(tree0, fs0, ofh0, tree1, fs1, ofh1) ↔ ofh1 = ∅ ∧ tree1 = tree0 ∧ (∀ fid. fid ∈ fs1 ↔ fid ∈ tree1.fids ∧ fid ∈ fs0) ∧ (∀ fid. fid ∈ fs1 → fs1[fid] = fs0[fid]) An Axiom
crash-exists ⊦ ∃ tree1, fs1, ofh1. posix-crash(tree0, fs0, ofh0, tree1, fs1, ofh1) A User Theorem
crash-exists-h ⊦ ∃ fs1. (∀ fid. fid ∈ fs1 ↔ fid ∈ tree.fids ∧ fid ∈ fs0) ∧ (∀ fid. fid ∈ fs1 → fs1[fid] = fs0[fid]) A User Theorem
fids-cons-in ⊦ p ∈ root ∧ root[p] = fnode(fid) ∧ fids-cons(root, fs, ofh) → fid ∈ fs A User Theorem
fids-emp ⊦ ∅.fids = ∅ A User Theorem
hesselink-cons ⊦ p ⊑ q ∧ p ≠ q ∧ q ∈ root → p ∈ root ∧ root[p].dir? A User Theorem
ofh-fids-mod ⊦ fd ∈ ofh ∧ ofh[fd] = mkfh(fid, mode0, n0) → ofh[fd, mkfh(fid, mode1, n1)].fids = ofh.fids A User Theorem
ofh-fids-new ⊦ ¬ fd ∈ ofh → ofh[fd, fh].fids = ofh.fids ++ fh.fid A User Theorem