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Proof step 5 from proof alloc (previous step)

P(H), H1 = H, ∀ r1. ¬ (¬ r1 ∈ H1 ∧ r1 ≠ null) ⊦

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 4:
P(H), ∀ r. r ∈ H ∨ r = null ⊦

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]