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Proof step 1 from proof dom-disj-in-r (conclusion)

⊦ dom gstore ∩ dom istore = ∅ ∧ n ∈ istore → (n ∈ gstore ↔ false)

System applied rule normalize

And obtained the following new goals

Proof step 2:
dom gstore ∩ dom istore = ∅, n ∈ istore ⊦ n ∈ gstore ↔ false

Rule argument

Additional information