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Proof step 5 from proof ls-02 (previous step)

m0 / n * n ≤ m, m0 < n * m0 / n + n, m0 / n * n ≤ m0, m0 ≤ m, m / n < m0 / n ⊦ n * m0 / n + n = 0, m0 / n = 0, n = 0

User applied rule insert lemma

And obtained the following new goals

Rule argument

spec: inst: name: Divdef seq: ⊦ n ≠ 0 → m / n * n ≤ m ∧ m < (m / n)+1 * n subst: [n, m] → [n, m] flags: current, []

Additional information

Used simplifier rules: succ: ⊦ m +1 = m + 1; from specification nat-basic2%rsucc-02: ⊦ m * (n + 1) = m * n + m; from specification nat-mult%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic2%c: ⊦ m + n = n + m; from specification nat-basic2%mult-a: ⊦ m0 * m * n = (m0 * m) * n; from specification nat-mult%mult-c: ⊦ m * n = n * m; from specification nat-mult%f: ⊦ m < n → n ≠ 0; (forward) from specification nat-basic1%fle-01: ⊦ m ≤ n ∧ n < n0 → m < n0; (forward) from specification nat%coef-21: ⊦ m * n < m1 * n + n ↔ ¬ ¬(m < m1 + 1 ∧ n ≠ 0); from specification nat-mult%s: ⊦ m < n + 1 ↔ ¬ n < m; from specification nat-basic2%ref-1: ⊦ ¬ n < n; from specification nat-basic1 Used terms: n, m