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Proof step 14 from proof gcd-mod-one (previous step)

m0 * m = n * n0 - 1, m0 ≤ n * n0, gcd(m, n) = 1, m * m0 + 1 = n * n0, (n * n0) * m - m0 * m = m1 * n + n1, m0 ≤ n * n0, n1 < n ⊦ n1 = 1, n = 1, m = 0

User applied rule insert equation

And obtained the following new goals

Proof step 15:
m0 * m = n * n0 - 1, m0 ≤ n * n0, gcd(m, n) = 1, m * m0 + 1 = n * n0, (n * n0) * m - (n * n0 - 1) = m1 * n + n1, m0 ≤ n * n0, n1 < n ⊦ n1 = 1, n = 1, m = 0

Rule argument

pos: left 1 flags: [[1,5,1,2]]

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