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Proof step 2 from proof div-two (previous step)

0 ≤ i ⊦ (2 * i + 1) / 2 = i

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: div-mult-pos-03: ⊦ 0 ≤ i ∧ 0 ≤ i0 ∧ 0 < j → (i + j * i0) / j = i / j + i0;%commutativity: ⊦ i * j = j * i; from specification int-mult%associativity: ⊦ i * j * j0 = (i * j) * j0; from specification int-mult%add-c: ⊦ i + j = j + i; from specification int-basic2%add-a: ⊦ i + j + i0 = (i + j) + i0; from specification int-basic2% ⊦ i + 0 = i; (s)