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Proof step 12 from proof divi-same (previous step)

m * n1 = dist(n0, m0), m * n2 = dist(n, m0), m0 < n ⊦ m | dist(n, n0)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 13:
⊦ n < m → dist(m, n) = m - n
Proof step 14:
m * n2 = n - m0, m * n1 = dist(n0, m0), m0 < n ⊦ m | dist(n, n0)

Rule argument

spec: <toplevel> name: dist-snd seq: ⊦ n < m → dist(m, n) = m - n subst: [n, m] → [m0, n] flags: <all paths>

Additional information

Used terms: m0, n