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Proof step 2 from proof at-write-other (previous step)

# ax = # ndx ⊦ fs[ax, ndx][adr] = fs[adr], adr ∈ ax

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: ⊦ # ax = # ndx ∧ ¬ adr ∈ ax → fs[ax, ndx][adr] = fs[adr]; (s)