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Proof step 8 from proof lsucc-01 (previous step)

n < 2 ^ log2 n ⊦ log2(2 * n + 1) = log2 n + 1, n = 0

User applied rule insert lemma

And obtained the following new goals

Proof step 9:
⊦ n ≠ 0 → ¬ n < 2^ log2 n
Proof step 10:
n < 2 ^ log2 n, n ≠ 0 → ¬ n < 2^ log2 n ⊦ log2(2 * n + 1) = log2 n + 1, n = 0

Rule argument

spec: <toplevel> name: lls seq: ⊦ n ≠ 0 → ¬ n < 2^ log2 n subst: [n] → [n]

Additional information

Used terms: n