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Proof step 1 from proof load-save-entry (conclusion)

⊦ load(save(zbr)).entry? ↔ zbr.entry?

Heuristic structural induction applied rule structural induction

And closed the goal!

Rule argument

term: zbr

Additional information

Used simplifier rules: save-branch: ⊦ save(mkzbranch(key, adr, r)) = mkbranch(key, adr);%load-branch: ⊦ load(mkbranch(key, adr)) = mkzbranch(key, adr, null);%save-entry: ⊦ save(mkzentry(key, adr)) = mkentry(key, adr);%load-entry: ⊦ load(mkentry(key, adr)) = mkzentry(key, adr);%zbranch freely generated by mkzbranch, mkzentry;;% ⊦ mkzentry(key, adr).entry?; (s)% ⊦ ¬ mkzbranch(key, adr, r).entry?; (s)