PROOF 141
Prove.
If the upper and lower sums meet, the function is integrable
On a closed interval.
Definition D1
A partition of [a,b] is a finite set of points a = x₀ < x₁ < … < xₙ = b. Write Δxᵢ = xᵢ − xᵢ₋₁.
Proof.
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PROOF 141
If the upper and lower sums meet, the function is integrable
On a closed interval.
Definition D1
A partition of [a,b] is a finite set of points a = x₀ < x₁ < … < xₙ = b. Write Δxᵢ = xᵢ − xᵢ₋₁.
Proof.
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