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Proof step 5 from proof unmodified-save (previous step)

⊦ save(mkznode(r0, zbrar, boolvar, true, m0)) = indexnode(save(zbrar, 0, m0), boolvar, m0)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 6:
⊦ save(znd) = indexnode(save(znd.zbranches, 0, znd.usedsize), znd.leaf, znd.usedsize)

Rule argument

spec: znode-ops name: save-node seq: ⊦ save(znd) = indexnode (save(znd.zbranches, 0, znd.usedsize), znd.leaf, znd.usedsize) subst: [znd] → [mkznode(r0, zbrar, boolvar, true, m0)] flags: <all paths>

Additional information

Used simplifier rules: ⊦ mkznode(r, zbrar, boolvar, boolvar0, m).zbranches = zbrar; (s)% ⊦ mkznode(r, zbrar, boolvar, boolvar0, m).usedsize = m; (s)% ⊦ mkznode(r, zbrar, boolvar, boolvar0, m).leaf ↔ boolvar; (s) Used terms: mkznode(r0, zbrar, boolvar, true, m0)