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Proof step 1 from proof valid-recs-in-nonempty-sqns (conclusion)

m < # apebs, # wlar = # apebs ⊦ valid-recs(subarray(apebs, 0, m), subarray(wlar, 0, m), recs) ∧ valid-wl(subarray(apebs, 0, m), subarray(wlar, 0, m)) ∧ v × n ∈ recs → valid-sqns(v, n, apebs, m) ≠ ∅

System applied rule normalize

And obtained the following new goals

Proof step 2:
# wlar = # apebs, valid-sqns(v, n, apebs, m) = ∅, m < # apebs, valid-recs(subarray(apebs, 0, m), subarray(wlar, 0, m), recs), valid-wl(subarray(apebs, 0, m), subarray(wlar, 0, m)), v × n ∈ recs ⊦

Proof step 1 from proof valid-recs-in-nonempty-sqns (conclusion)

System applied rule normalize

And obtained the following new goals

Rule argument

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