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Proof step 5 from proof prime-5 (previous step)

5 % i = 0, i * i ≤ 5, 0 < i, 1 < i ⊦ i = 2

User applied rule cut formula

And obtained the following new goals

Proof step 6:
3 ≤ i, 5 % i = 0, i * i ≤ 5, 0 < i, 1 < i ⊦ i = 2
Proof step 10:
5 % i = 0, i * i ≤ 5, 0 < i, 1 < i ⊦ 3 ≤ i, i = 2

Rule argument

fma: 3 ≤ i

Additional information

Used formulas: 3 ≤ i