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Proof step 8 from proof wand-elim (previous step)

P0 ⊆ Q0 -* Q1, P1 ⊆ Q0, ∃ H0, H1. H0 ⊥ H1 ∧ H = H0 ∪ H1 ∧ P0(H0) ∧ P1(H1) ⊦ Q1(H)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 9:
((Q0 -* Q1))(H1), P0(H1), P1(H0), Q0(H0), P1 ⊆ Q0, P0 ⊆ Q0 -* Q1, H1 ⊥ H0 ⊦ Q1(H1 ∪ H0)

Rule argument

Additional information

Used simplifier rules: Imp1: ⊦ P0 ⊆ P1 ∧ P0(H) → P1(H); (forward) from specification heap-sep