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Proof step 36 from proof nextli-lemma (previous step)

∀ nextli. ∃ lf. lf(0) = [] ∧ (∀ m. m < n0 → lf(m + 1) = nextli(lf(m))) ⊦ ∃ lf. lf(0) = [] ∧ (∀ m. ¬ n0 < m → lf(m + 1) = nextli(lf(m)))

User applied rule all left

And obtained the following new goals

Proof step 37:
∃ lf. lf(0) = [] ∧ (∀ m. m < n0 → lf(m + 1) = nextli(lf(m))) ⊦ ∃ lf. lf(0) = [] ∧ (∀ m. ¬ n0 < m → lf(m + 1) = nextli(lf(m)))

Rule argument

pos: left 1 terms: nextli abort: F discard: T computed: T

Additional information

Used terms: nextli