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Proof step 4 from proof even-mult (previous step)

2 * m0 = m * n ⊦ ∃ m0. 2 * m0 = m, ∃ m0. 2 * m0 = n

User applied rule cut formula

And obtained the following new goals

Proof step 5:
even(m), 2 * m0 = m * n ⊦ ∃ m0. 2 * m0 = m, ∃ m0. 2 * m0 = n
Proof step 7:
2 * m0 = m * n ⊦ even(m), ∃ m0. 2 * m0 = m, ∃ m0. 2 * m0 = n

Rule argument

fma: even(m)

Additional information

Used formulas: even(m)