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Proof step 2 from proof nodups-new (previous step)

# ax0 = # ndx0, fs1 = fs0[ax0, ndx0], dups(ax0 + ax1), new(ax1, fs1) ⊦ dups(ax1), dups(ax0)

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: write-new-app-nodups: # ax0 = # ndx0 ⊦ ¬ dups(ax0) ∧ ¬ dups(ax1) ∧ new(ax1, fs0[ax0, ndx0]) → ¬ dups(ax0 + ax1);%a: ⊦ (ax + ax0) + ax1 = ax + ax0 + ax1; from specification list[address-list-set]