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Proof step 2 from proof no-dups-keyset-size-simp (previous step)

no-dups(kar, m), m ≤ # kar ⊦ # keyset(kar, m) = m

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: <toplevel> name: no-dups-keyset-size seq: ⊦ m ≤ # kar → (no-dups(kar, m) ↔ # keyset(kar, m) = m) subst: [m, kar] → [m, kar] flags: <all paths>

Additional information

Used terms: m, kar