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Theorems · Theorem · sequences and series

HasSum.tendsto_sum_nat

∀ {M : Type u_1} [inst : AddCommMonoid M] [inst_1 : TopologicalSpace M] {m : M} {f : ℕ → M},
  HasSum f m → Filter.Tendsto (fun n => ∑ i ∈ Finset.range n, f i) Filter.atTop (nhds m)

If f : ℕ → M has sum m, then the partial sums ∑ i ∈ range n, f i converge to m.

Defined in
Mathlib.Topology.Algebra.InfiniteSum.NatInt
Cited by
23 results in Mathlib
Foundations
Depth 69 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
AddCommMonoidTopologicalSpace

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Complex.exp_eq_exp_ℂ · cited by 8Complex.exp_eq_exp_ℂhasSum_iff_tendsto_nat_of_summable_norm · cited by 4hasSum_iff_tendsto_nat_of…MeasureTheory.VectorMeasure.tendsto_vectorMeasure_iUnion_atTop_nat · cited by 3VectorMeasure.tendsto_vec…Summable.tsum_le_of_sum_range_le · cited by 3Summable.tsum_le_of_sum_r…Summable.tsum_pow_mul_one_sub · cited by 3Summable.tsum_pow_mul_one…Summable.one_sub_mul_tsum_pow · cited by 3Summable.one_sub_mul_tsum…Summable.hasSum_iff_tendsto_nat · cited by 3Summable.hasSum_iff_tends…Summable.tendsto_sum_tsum_nat · cited by 3Summable.tendsto_sum_tsum…cauchySeq_of_edist_le_of_summable · cited by 2cauchySeq_of_edist_le_of_…ContinuousLinearMap.exists_preimage_norm_le · cited by 2ContinuousLinearMap.exist…ZetaAsymptotics.termTSum_of_lt · cited by 2ZetaAsymptotics.termTSum_…tendsto_sum_nat_add · cited by 2tendsto_sum_nat_addHasFPowerSeriesWithinAt.comp · cited by 2HasFPowerSeriesWithinAt.c…ENNReal.hasSum_iff_tendsto_nat · cited by 2ENNReal.hasSum_iff_tendst…MeasureTheory.Lp.ae_tendsto_of_cauchy_eLpNorm' · cited by 1Lp.ae_tendsto_of_cauchy_e…TopologicalSpace · cited by 24529TopologicalSpaceAddCommMonoid · cited by 12281AddCommMonoidnhds · cited by 5554nhdsFinset.sum · cited by 5195Finset.sumFilter.Tendsto · cited by 3814Filter.TendstoFilter.atTop · cited by 2405Filter.atTopSummationFilter.unconditional · cited by 2068SummationFilter.unconditi…Finset.range · cited by 1341Finset.rangeFilter.Tendsto.comp · cited by 560Tendsto.compHasSum · cited by 518HasSumFilter.tendsto_finset_range · cited by 15Filter.tendsto_finset_ran…HasSum.tendsto_sum_natCITED BYCITES

Cites11

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Cited by23

Results whose statement or proof uses this declaration.