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Proof step 2 from proof est-4-big-01 (previous step)

(2 * i) / 3 < 2 * i % j, 0 < i, (2 * i) / 3 < j, j ≤ i, 2 < i, 2 * i < j * j, j ≤ 2 * i % j ⊦

User applied rule cut formula

And obtained the following new goals

Proof step 3:
j = 2 ∨ j = 3, (2 * i) / 3 < 2 * i % j, 0 < i, (2 * i) / 3 < j, j ≤ i, 2 < i, 2 * i < j * j, j ≤ 2 * i % j ⊦
Proof step 13:
(2 * i) / 3 < 2 * i % j, 0 < i, (2 * i) / 3 < j, j ≤ i, 2 < i, 2 * i < j * j, j ≤ 2 * i % j ⊦ j = 2 ∨ j = 3

Rule argument

fma: j = 2 ∨ j = 3

Additional information

Used formulas: j = 2 ∨ j = 3