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Proof step 5 from proof inv-orphans-remove (previous step)

key.inode?, jro < jmaxino ⊦ ⟪jro := jro -- key.ino⟫ (jro < jmaxino)

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

Additional information

Used simplifier rules: ⊦ ns < n → ns -- n0 < n; (s)