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Proof step 5 from proof dom-disj-in-r (previous step)

n ∈ gstore, n ∈ istore, ∀ n. n ∈ dom gstore ∩ dom istore ↔ n ∈ ∅ ⊦

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
n ∈ istore, n ∈ gstore, ∀ n0. ¬ n0 ∈ dom gstore ∩ dom istore ⊦

Rule argument

Additional information

Used simplifier rules: ⊦ ¬ n ∈ ∅; (s)