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Proof step 1 from proof lebrefs-lref (conclusion)

⊦ eq-entry(n, v × m) '.lebrefs = ∅ ++ (v × m)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 2:
⊦ eqent ' = eqent + []
Proof step 3:
⊦ (eq-entry(n, v × m) + []).lebrefs = ∅ ++ (v × m)

Rule argument

spec: list, inst: erasequeue-base name: One seq: ⊦ eqent ' = eqent + [] subst: [eqent] → [eq-entry(n, v × m)] flags: <all paths>

Additional information

Used terms: eq-entry(n, v × m)