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Proof step 32 from proof legal-noncylic-equiv-reaches-null (previous step)

r ∈ H, legal(H) ⊦ r = null, ∀ n. ∃ r0. reachable-n(H, n, r, r0), ∃ r0. reachable(r, r0, H) ∧ H[r0] .nxt = null

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 31:
legal(H), r ∈ H ⊦ r = null, ∃ r0. reachable(r, r0, H) ∧ H[r0] .nxt = null, ∃ r0. reachable-n(H, n, r, r0)

Rule argument

[emptyarg]

Additional information

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