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Proof step 7 from proof rm-v-subseteq (previous step)

eqent0 = eq-entry(m, lref), eqent ∈ (lref ≠ none ∧ lref.vol = v ⊃ q0 - lref.vol;eqent0 ' + (q0 - v)), ∀ eqent, v. eqent ∈ q0 - v → eqent ∈ q0 ⊦ eqent = eqent0, eqent ∈ q0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
eqent ∈ (lref ≠ none ∧ lref.vol = v ⊃ q0 - lref.vol;eq-entry(m, lref) ' + (q0 - v)), ∀ eqent, v. eqent ∈ q0 - v → eqent ∈ q0 ⊦ eqent = eq-entry(m, lref), eqent ∈ q0

Proof step 7 from proof rm-v-subseteq (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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