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Proof step 8 from proof prime-163 (previous step)

163 % i = 0, i * i ≤ 163, 0 < i, 1 < i, i < 13 ⊦

User applied rule insert lemma

And obtained the following new goals

Proof step 9:
2 ≤ i, i < 10 ⊦ i = 2 ∨ i = 3 ∨ i = 4 ∨ i = 5 ∨ i = 6 ∨ i = 7 ∨ i = 8 ∨ i = 9
Proof step 10:
163 % i = 0, i * i ≤ 163, 0 < i, 1 < i, i < 13 ⊦ 2 ≤ i ∧ i < 10

Rule argument

spec: inst: name: case-10 seq: 2 ≤ i, i < 10 ⊦ i = 2 ∨ i = 3 ∨ i = 4 ∨ i = 5 ∨ i = 6 ∨ i = 7 ∨ i = 8 ∨ i = 9 subst: [i] → [i] flags: current, []

Additional information

Used terms: i