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Proof step 34 from proof legal-noncylic-equiv-reaches-null (previous step)

¬ cyclic(r, H), legal(H), r ∈ H, r ≠ null ⊦ ∃ r0. reachable(r, r0, H) ∧ H[r0] .nxt = null

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 33:
r ∈ H, legal(H) ⊦ r = null, cyclic(r, H), ∃ r0. reachable(r, r0, H) ∧ H[r0] .nxt = null

Rule argument

[emptyarg]

Additional information

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