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Proof step 2 from proof ll-trav2-init (previous step)

((lls(r0, null, x) * P))(H) ⊦ ((ll-trav(r0, null, r0, x) * P))(H)

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: ll-trav2-null-def: ⊦ ((ll-trav(r0, null, r2, x) * P))(H) ↔ r2 = r0 ∧ ((lls(r0, null, x) * P))(H);%sep-com: ⊦ P0 * P1 = P1 * P0; from specification heap-sep%sep-ass: ⊦ (P0 * P1) * P2 = P0 * P1 * P2; from specification heap-sep