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Proof step 7 from proof transaction-prefix-app (previous step)

gndx0.head = mkgnode(nd1, m1, boolvar3, boolvar4), (gndx0 + gndx1).head = mkgnode(nd0, m0, boolvar1, boolvar2), gndx0[n0] = mkgnode(nd, m, boolvar, boolvar0), gndx0[n] = mkgnode(nd2, m2, boolvar5, boolvar6), # gndx0 + # gndx1 < # ndx, # gndx0 < # ndx, ∀ n. n < # gndx0 + # gndx1 → (gndx0 + gndx1)[n].nd = ndx[n], gndx0 + gndx1 = [] ∨ boolvar1 ∧ (∀ n. (n ≠ 0 ∧ n < # gndx0 + # gndx1 → ¬ (gndx0 + gndx1)[n].start) ∧ (n < # gndx0 + # gndx1 → ¬ (gndx0 + gndx1)[n].end)) ⊦ ndx = [], (n0 < # gndx0 → nd = ndx[n0]) ∧ (gndx0 = [] ∨ boolvar3 ∧ (n ≠ 0 ∧ n < # gndx0 → ¬ boolvar5) ∧ (n < # gndx0 → ¬ boolvar6))

User applied rule case distinction

And obtained the following new goals

Rule argument

pos: right 2

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