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Proof step 11 from proof valid-group-nodes-app-transaction-prefix (previous step)

¬ boolvar0, transaction-prefix(ndx, gndx + mkgnode(nd, m, boolvar, boolvar0) '), ∀ gndx2, ndx, gndx0. # gndx2 < #(gndx + mkgnode(nd, m, boolvar, boolvar0) ') → transaction-prefix(ndx, gndx2) → valid-group-nodes(gndx0 + gndx2) = valid-group-nodes(gndx0) ⊦ valid-group-nodes(gndx0 + gndx) = valid-group-nodes(gndx0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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