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Theorem esumpcvgval 30449
Description: The value of the extended sum when the corresponding series sum is convergent. (Contributed by Thierry Arnoux, 31-Jul-2017.)
Hypotheses
Ref Expression
esumpcvgval.1 ((𝜑𝑘 ∈ ℕ) → 𝐴 ∈ (0[,)+∞))
esumpcvgval.2 (𝑘 = 𝑙𝐴 = 𝐵)
esumpcvgval.3 (𝜑 → (𝑛 ∈ ℕ ↦ Σ𝑘 ∈ (1...𝑛)𝐴) ∈ dom ⇝ )
Assertion
Ref Expression
esumpcvgval (𝜑 → Σ*𝑘 ∈ ℕ𝐴 = Σ𝑘 ∈ ℕ 𝐴)
Distinct variable groups:   𝑘,𝑙,𝑛   𝐴,𝑙,𝑛   𝐵,𝑘,𝑛   𝜑,𝑘,𝑛
Allowed substitution hints:   𝜑(𝑙)   𝐴(𝑘)   𝐵(𝑙)

Proof of Theorem esumpcvgval
Dummy variables 𝑠 𝑥 𝑦 𝑧 𝑏 𝑚 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 xrltso 12167 . . . 4 < Or ℝ*
21a1i 11 . . 3 (𝜑 → < Or ℝ*)
3 nnuz 11916 . . . . 5 ℕ = (ℤ‘1)
4 1zzd 11600 . . . . 5 (𝜑 → 1 ∈ ℤ)
5 esumpcvgval.1 . . . . . . . . . 10 ((𝜑𝑘 ∈ ℕ) → 𝐴 ∈ (0[,)+∞))
6 esumpcvgval.2 . . . . . . . . . . . 12 (𝑘 = 𝑙𝐴 = 𝐵)
7 eqcom 2767 . . . . . . . . . . . 12 (𝑘 = 𝑙𝑙 = 𝑘)
8 eqcom 2767 . . . . . . . . . . . 12 (𝐴 = 𝐵𝐵 = 𝐴)
96, 7, 83imtr3i 280 . . . . . . . . . . 11 (𝑙 = 𝑘𝐵 = 𝐴)
109cbvmptv 4902 . . . . . . . . . 10 (𝑙 ∈ ℕ ↦ 𝐵) = (𝑘 ∈ ℕ ↦ 𝐴)
115, 10fmptd 6548 . . . . . . . . 9 (𝜑 → (𝑙 ∈ ℕ ↦ 𝐵):ℕ⟶(0[,)+∞))
1211ffvelrnda 6522 . . . . . . . 8 ((𝜑𝑥 ∈ ℕ) → ((𝑙 ∈ ℕ ↦ 𝐵)‘𝑥) ∈ (0[,)+∞))
13 elrege0 12471 . . . . . . . . 9 (((𝑙 ∈ ℕ ↦ 𝐵)‘𝑥) ∈ (0[,)+∞) ↔ (((𝑙 ∈ ℕ ↦ 𝐵)‘𝑥) ∈ ℝ ∧ 0 ≤ ((𝑙 ∈ ℕ ↦ 𝐵)‘𝑥)))
1413simplbi 478 . . . . . . . 8 (((𝑙 ∈ ℕ ↦ 𝐵)‘𝑥) ∈ (0[,)+∞) → ((𝑙 ∈ ℕ ↦ 𝐵)‘𝑥) ∈ ℝ)
1512, 14syl 17 . . . . . . 7 ((𝜑𝑥 ∈ ℕ) → ((𝑙 ∈ ℕ ↦ 𝐵)‘𝑥) ∈ ℝ)
163, 4, 15serfre 13024 . . . . . 6 (𝜑 → seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)):ℕ⟶ℝ)
1711adantr 472 . . . . . . . . . 10 ((𝜑𝑛 ∈ ℕ) → (𝑙 ∈ ℕ ↦ 𝐵):ℕ⟶(0[,)+∞))
18 simpr 479 . . . . . . . . . . 11 ((𝜑𝑛 ∈ ℕ) → 𝑛 ∈ ℕ)
1918peano2nnd 11229 . . . . . . . . . 10 ((𝜑𝑛 ∈ ℕ) → (𝑛 + 1) ∈ ℕ)
2017, 19ffvelrnd 6523 . . . . . . . . 9 ((𝜑𝑛 ∈ ℕ) → ((𝑙 ∈ ℕ ↦ 𝐵)‘(𝑛 + 1)) ∈ (0[,)+∞))
21 elrege0 12471 . . . . . . . . . 10 (((𝑙 ∈ ℕ ↦ 𝐵)‘(𝑛 + 1)) ∈ (0[,)+∞) ↔ (((𝑙 ∈ ℕ ↦ 𝐵)‘(𝑛 + 1)) ∈ ℝ ∧ 0 ≤ ((𝑙 ∈ ℕ ↦ 𝐵)‘(𝑛 + 1))))
2221simprbi 483 . . . . . . . . 9 (((𝑙 ∈ ℕ ↦ 𝐵)‘(𝑛 + 1)) ∈ (0[,)+∞) → 0 ≤ ((𝑙 ∈ ℕ ↦ 𝐵)‘(𝑛 + 1)))
2320, 22syl 17 . . . . . . . 8 ((𝜑𝑛 ∈ ℕ) → 0 ≤ ((𝑙 ∈ ℕ ↦ 𝐵)‘(𝑛 + 1)))
2416ffvelrnda 6522 . . . . . . . . 9 ((𝜑𝑛 ∈ ℕ) → (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ∈ ℝ)
2521simplbi 478 . . . . . . . . . 10 (((𝑙 ∈ ℕ ↦ 𝐵)‘(𝑛 + 1)) ∈ (0[,)+∞) → ((𝑙 ∈ ℕ ↦ 𝐵)‘(𝑛 + 1)) ∈ ℝ)
2620, 25syl 17 . . . . . . . . 9 ((𝜑𝑛 ∈ ℕ) → ((𝑙 ∈ ℕ ↦ 𝐵)‘(𝑛 + 1)) ∈ ℝ)
2724, 26addge01d 10807 . . . . . . . 8 ((𝜑𝑛 ∈ ℕ) → (0 ≤ ((𝑙 ∈ ℕ ↦ 𝐵)‘(𝑛 + 1)) ↔ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ ((seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) + ((𝑙 ∈ ℕ ↦ 𝐵)‘(𝑛 + 1)))))
2823, 27mpbid 222 . . . . . . 7 ((𝜑𝑛 ∈ ℕ) → (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ ((seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) + ((𝑙 ∈ ℕ ↦ 𝐵)‘(𝑛 + 1))))
2918, 3syl6eleq 2849 . . . . . . . 8 ((𝜑𝑛 ∈ ℕ) → 𝑛 ∈ (ℤ‘1))
30 seqp1 13010 . . . . . . . 8 (𝑛 ∈ (ℤ‘1) → (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘(𝑛 + 1)) = ((seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) + ((𝑙 ∈ ℕ ↦ 𝐵)‘(𝑛 + 1))))
3129, 30syl 17 . . . . . . 7 ((𝜑𝑛 ∈ ℕ) → (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘(𝑛 + 1)) = ((seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) + ((𝑙 ∈ ℕ ↦ 𝐵)‘(𝑛 + 1))))
3228, 31breqtrrd 4832 . . . . . 6 ((𝜑𝑛 ∈ ℕ) → (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘(𝑛 + 1)))
33 simpr 479 . . . . . . . . 9 ((𝜑𝑘 ∈ ℕ) → 𝑘 ∈ ℕ)
3410fvmpt2 6453 . . . . . . . . 9 ((𝑘 ∈ ℕ ∧ 𝐴 ∈ (0[,)+∞)) → ((𝑙 ∈ ℕ ↦ 𝐵)‘𝑘) = 𝐴)
3533, 5, 34syl2anc 696 . . . . . . . 8 ((𝜑𝑘 ∈ ℕ) → ((𝑙 ∈ ℕ ↦ 𝐵)‘𝑘) = 𝐴)
36 rge0ssre 12473 . . . . . . . . 9 (0[,)+∞) ⊆ ℝ
3736, 5sseldi 3742 . . . . . . . 8 ((𝜑𝑘 ∈ ℕ) → 𝐴 ∈ ℝ)
3816feqmptd 6411 . . . . . . . . . 10 (𝜑 → seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) = (𝑛 ∈ ℕ ↦ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛)))
39 simpll 807 . . . . . . . . . . . . . 14 (((𝜑𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 𝜑)
40 elfznn 12563 . . . . . . . . . . . . . . 15 (𝑘 ∈ (1...𝑛) → 𝑘 ∈ ℕ)
4140adantl 473 . . . . . . . . . . . . . 14 (((𝜑𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 𝑘 ∈ ℕ)
4239, 41, 35syl2anc 696 . . . . . . . . . . . . 13 (((𝜑𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝑙 ∈ ℕ ↦ 𝐵)‘𝑘) = 𝐴)
4337recnd 10260 . . . . . . . . . . . . . 14 ((𝜑𝑘 ∈ ℕ) → 𝐴 ∈ ℂ)
4439, 41, 43syl2anc 696 . . . . . . . . . . . . 13 (((𝜑𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 𝐴 ∈ ℂ)
4542, 29, 44fsumser 14660 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ ℕ) → Σ𝑘 ∈ (1...𝑛)𝐴 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛))
4645eqcomd 2766 . . . . . . . . . . 11 ((𝜑𝑛 ∈ ℕ) → (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) = Σ𝑘 ∈ (1...𝑛)𝐴)
4746mpteq2dva 4896 . . . . . . . . . 10 (𝜑 → (𝑛 ∈ ℕ ↦ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛)) = (𝑛 ∈ ℕ ↦ Σ𝑘 ∈ (1...𝑛)𝐴))
4838, 47eqtr2d 2795 . . . . . . . . 9 (𝜑 → (𝑛 ∈ ℕ ↦ Σ𝑘 ∈ (1...𝑛)𝐴) = seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)))
49 esumpcvgval.3 . . . . . . . . 9 (𝜑 → (𝑛 ∈ ℕ ↦ Σ𝑘 ∈ (1...𝑛)𝐴) ∈ dom ⇝ )
5048, 49eqeltrrd 2840 . . . . . . . 8 (𝜑 → seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ∈ dom ⇝ )
513, 4, 35, 37, 50isumrecl 14695 . . . . . . 7 (𝜑 → Σ𝑘 ∈ ℕ 𝐴 ∈ ℝ)
52 1zzd 11600 . . . . . . . . . 10 ((𝜑𝑛 ∈ ℕ) → 1 ∈ ℤ)
53 fzfid 12966 . . . . . . . . . 10 ((𝜑𝑛 ∈ ℕ) → (1...𝑛) ∈ Fin)
54 fzssuz 12575 . . . . . . . . . . . 12 (1...𝑛) ⊆ (ℤ‘1)
5554, 3sseqtr4i 3779 . . . . . . . . . . 11 (1...𝑛) ⊆ ℕ
5655a1i 11 . . . . . . . . . 10 ((𝜑𝑛 ∈ ℕ) → (1...𝑛) ⊆ ℕ)
5735adantlr 753 . . . . . . . . . 10 (((𝜑𝑛 ∈ ℕ) ∧ 𝑘 ∈ ℕ) → ((𝑙 ∈ ℕ ↦ 𝐵)‘𝑘) = 𝐴)
5837adantlr 753 . . . . . . . . . 10 (((𝜑𝑛 ∈ ℕ) ∧ 𝑘 ∈ ℕ) → 𝐴 ∈ ℝ)
595adantlr 753 . . . . . . . . . . 11 (((𝜑𝑛 ∈ ℕ) ∧ 𝑘 ∈ ℕ) → 𝐴 ∈ (0[,)+∞))
60 elrege0 12471 . . . . . . . . . . . 12 (𝐴 ∈ (0[,)+∞) ↔ (𝐴 ∈ ℝ ∧ 0 ≤ 𝐴))
6160simprbi 483 . . . . . . . . . . 11 (𝐴 ∈ (0[,)+∞) → 0 ≤ 𝐴)
6259, 61syl 17 . . . . . . . . . 10 (((𝜑𝑛 ∈ ℕ) ∧ 𝑘 ∈ ℕ) → 0 ≤ 𝐴)
6350adantr 472 . . . . . . . . . 10 ((𝜑𝑛 ∈ ℕ) → seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ∈ dom ⇝ )
643, 52, 53, 56, 57, 58, 62, 63isumless 14776 . . . . . . . . 9 ((𝜑𝑛 ∈ ℕ) → Σ𝑘 ∈ (1...𝑛)𝐴 ≤ Σ𝑘 ∈ ℕ 𝐴)
6545, 64eqbrtrrd 4828 . . . . . . . 8 ((𝜑𝑛 ∈ ℕ) → (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ Σ𝑘 ∈ ℕ 𝐴)
6665ralrimiva 3104 . . . . . . 7 (𝜑 → ∀𝑛 ∈ ℕ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ Σ𝑘 ∈ ℕ 𝐴)
67 breq2 4808 . . . . . . . . 9 (𝑠 = Σ𝑘 ∈ ℕ 𝐴 → ((seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ 𝑠 ↔ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ Σ𝑘 ∈ ℕ 𝐴))
6867ralbidv 3124 . . . . . . . 8 (𝑠 = Σ𝑘 ∈ ℕ 𝐴 → (∀𝑛 ∈ ℕ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ 𝑠 ↔ ∀𝑛 ∈ ℕ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ Σ𝑘 ∈ ℕ 𝐴))
6968rspcev 3449 . . . . . . 7 ((Σ𝑘 ∈ ℕ 𝐴 ∈ ℝ ∧ ∀𝑛 ∈ ℕ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ Σ𝑘 ∈ ℕ 𝐴) → ∃𝑠 ∈ ℝ ∀𝑛 ∈ ℕ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ 𝑠)
7051, 66, 69syl2anc 696 . . . . . 6 (𝜑 → ∃𝑠 ∈ ℝ ∀𝑛 ∈ ℕ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ 𝑠)
713, 4, 16, 32, 70climsup 14599 . . . . 5 (𝜑 → seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ⇝ sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))
723, 4, 71, 24climrecl 14513 . . . 4 (𝜑 → sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ) ∈ ℝ)
7372rexrd 10281 . . 3 (𝜑 → sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ) ∈ ℝ*)
74 eqid 2760 . . . . . . 7 (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴) = (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)
75 sumex 14617 . . . . . . 7 Σ𝑘𝑏 𝐴 ∈ V
7674, 75elrnmpti 5531 . . . . . 6 (𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴) ↔ ∃𝑏 ∈ (𝒫 ℕ ∩ Fin)𝑥 = Σ𝑘𝑏 𝐴)
77 ssnnssfz 29858 . . . . . . . . . 10 (𝑏 ∈ (𝒫 ℕ ∩ Fin) → ∃𝑚 ∈ ℕ 𝑏 ⊆ (1...𝑚))
78 fzfid 12966 . . . . . . . . . . . . . 14 ((𝜑𝑏 ⊆ (1...𝑚)) → (1...𝑚) ∈ Fin)
79 elfznn 12563 . . . . . . . . . . . . . . . . 17 (𝑘 ∈ (1...𝑚) → 𝑘 ∈ ℕ)
8079, 5sylan2 492 . . . . . . . . . . . . . . . 16 ((𝜑𝑘 ∈ (1...𝑚)) → 𝐴 ∈ (0[,)+∞))
8160simplbi 478 . . . . . . . . . . . . . . . 16 (𝐴 ∈ (0[,)+∞) → 𝐴 ∈ ℝ)
8280, 81syl 17 . . . . . . . . . . . . . . 15 ((𝜑𝑘 ∈ (1...𝑚)) → 𝐴 ∈ ℝ)
8382adantlr 753 . . . . . . . . . . . . . 14 (((𝜑𝑏 ⊆ (1...𝑚)) ∧ 𝑘 ∈ (1...𝑚)) → 𝐴 ∈ ℝ)
8480, 61syl 17 . . . . . . . . . . . . . . 15 ((𝜑𝑘 ∈ (1...𝑚)) → 0 ≤ 𝐴)
8584adantlr 753 . . . . . . . . . . . . . 14 (((𝜑𝑏 ⊆ (1...𝑚)) ∧ 𝑘 ∈ (1...𝑚)) → 0 ≤ 𝐴)
86 simpr 479 . . . . . . . . . . . . . 14 ((𝜑𝑏 ⊆ (1...𝑚)) → 𝑏 ⊆ (1...𝑚))
8778, 83, 85, 86fsumless 14727 . . . . . . . . . . . . 13 ((𝜑𝑏 ⊆ (1...𝑚)) → Σ𝑘𝑏 𝐴 ≤ Σ𝑘 ∈ (1...𝑚)𝐴)
8887ex 449 . . . . . . . . . . . 12 (𝜑 → (𝑏 ⊆ (1...𝑚) → Σ𝑘𝑏 𝐴 ≤ Σ𝑘 ∈ (1...𝑚)𝐴))
8988reximdv 3154 . . . . . . . . . . 11 (𝜑 → (∃𝑚 ∈ ℕ 𝑏 ⊆ (1...𝑚) → ∃𝑚 ∈ ℕ Σ𝑘𝑏 𝐴 ≤ Σ𝑘 ∈ (1...𝑚)𝐴))
9089imp 444 . . . . . . . . . 10 ((𝜑 ∧ ∃𝑚 ∈ ℕ 𝑏 ⊆ (1...𝑚)) → ∃𝑚 ∈ ℕ Σ𝑘𝑏 𝐴 ≤ Σ𝑘 ∈ (1...𝑚)𝐴)
9177, 90sylan2 492 . . . . . . . . 9 ((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) → ∃𝑚 ∈ ℕ Σ𝑘𝑏 𝐴 ≤ Σ𝑘 ∈ (1...𝑚)𝐴)
92 breq1 4807 . . . . . . . . . 10 (𝑥 = Σ𝑘𝑏 𝐴 → (𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴 ↔ Σ𝑘𝑏 𝐴 ≤ Σ𝑘 ∈ (1...𝑚)𝐴))
9392rexbidv 3190 . . . . . . . . 9 (𝑥 = Σ𝑘𝑏 𝐴 → (∃𝑚 ∈ ℕ 𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴 ↔ ∃𝑚 ∈ ℕ Σ𝑘𝑏 𝐴 ≤ Σ𝑘 ∈ (1...𝑚)𝐴))
9491, 93syl5ibrcom 237 . . . . . . . 8 ((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) → (𝑥 = Σ𝑘𝑏 𝐴 → ∃𝑚 ∈ ℕ 𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴))
9594rexlimdva 3169 . . . . . . 7 (𝜑 → (∃𝑏 ∈ (𝒫 ℕ ∩ Fin)𝑥 = Σ𝑘𝑏 𝐴 → ∃𝑚 ∈ ℕ 𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴))
9695imp 444 . . . . . 6 ((𝜑 ∧ ∃𝑏 ∈ (𝒫 ℕ ∩ Fin)𝑥 = Σ𝑘𝑏 𝐴) → ∃𝑚 ∈ ℕ 𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴)
9776, 96sylan2b 493 . . . . 5 ((𝜑𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)) → ∃𝑚 ∈ ℕ 𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴)
98 simpr 479 . . . . . . . . . 10 (((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) ∧ 𝑥 = Σ𝑘𝑏 𝐴) → 𝑥 = Σ𝑘𝑏 𝐴)
99 inss2 3977 . . . . . . . . . . . . 13 (𝒫 ℕ ∩ Fin) ⊆ Fin
100 simpr 479 . . . . . . . . . . . . 13 ((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) → 𝑏 ∈ (𝒫 ℕ ∩ Fin))
10199, 100sseldi 3742 . . . . . . . . . . . 12 ((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) → 𝑏 ∈ Fin)
102 simpll 807 . . . . . . . . . . . . . 14 (((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) ∧ 𝑘𝑏) → 𝜑)
103 inss1 3976 . . . . . . . . . . . . . . . . 17 (𝒫 ℕ ∩ Fin) ⊆ 𝒫 ℕ
104 simplr 809 . . . . . . . . . . . . . . . . 17 (((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) ∧ 𝑘𝑏) → 𝑏 ∈ (𝒫 ℕ ∩ Fin))
105103, 104sseldi 3742 . . . . . . . . . . . . . . . 16 (((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) ∧ 𝑘𝑏) → 𝑏 ∈ 𝒫 ℕ)
106105elpwid 4314 . . . . . . . . . . . . . . 15 (((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) ∧ 𝑘𝑏) → 𝑏 ⊆ ℕ)
107 simpr 479 . . . . . . . . . . . . . . 15 (((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) ∧ 𝑘𝑏) → 𝑘𝑏)
108106, 107sseldd 3745 . . . . . . . . . . . . . 14 (((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) ∧ 𝑘𝑏) → 𝑘 ∈ ℕ)
109102, 108, 5syl2anc 696 . . . . . . . . . . . . 13 (((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) ∧ 𝑘𝑏) → 𝐴 ∈ (0[,)+∞))
110109, 81syl 17 . . . . . . . . . . . 12 (((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) ∧ 𝑘𝑏) → 𝐴 ∈ ℝ)
111101, 110fsumrecl 14664 . . . . . . . . . . 11 ((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) → Σ𝑘𝑏 𝐴 ∈ ℝ)
112111adantr 472 . . . . . . . . . 10 (((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) ∧ 𝑥 = Σ𝑘𝑏 𝐴) → Σ𝑘𝑏 𝐴 ∈ ℝ)
11398, 112eqeltrd 2839 . . . . . . . . 9 (((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) ∧ 𝑥 = Σ𝑘𝑏 𝐴) → 𝑥 ∈ ℝ)
114113r19.29an 3215 . . . . . . . 8 ((𝜑 ∧ ∃𝑏 ∈ (𝒫 ℕ ∩ Fin)𝑥 = Σ𝑘𝑏 𝐴) → 𝑥 ∈ ℝ)
11576, 114sylan2b 493 . . . . . . 7 ((𝜑𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)) → 𝑥 ∈ ℝ)
116115adantr 472 . . . . . 6 (((𝜑𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)) ∧ (𝑚 ∈ ℕ ∧ 𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴)) → 𝑥 ∈ ℝ)
117 fzfid 12966 . . . . . . . 8 (𝜑 → (1...𝑚) ∈ Fin)
118117, 82fsumrecl 14664 . . . . . . 7 (𝜑 → Σ𝑘 ∈ (1...𝑚)𝐴 ∈ ℝ)
119118ad2antrr 764 . . . . . 6 (((𝜑𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)) ∧ (𝑚 ∈ ℕ ∧ 𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴)) → Σ𝑘 ∈ (1...𝑚)𝐴 ∈ ℝ)
12072ad2antrr 764 . . . . . 6 (((𝜑𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)) ∧ (𝑚 ∈ ℕ ∧ 𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴)) → sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ) ∈ ℝ)
121 simprr 813 . . . . . 6 (((𝜑𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)) ∧ (𝑚 ∈ ℕ ∧ 𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴)) → 𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴)
122 frn 6214 . . . . . . . . 9 (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)):ℕ⟶ℝ → ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ⊆ ℝ)
12316, 122syl 17 . . . . . . . 8 (𝜑 → ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ⊆ ℝ)
124123ad2antrr 764 . . . . . . 7 (((𝜑𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)) ∧ (𝑚 ∈ ℕ ∧ 𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴)) → ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ⊆ ℝ)
125 1nn 11223 . . . . . . . . . 10 1 ∈ ℕ
126125ne0ii 4066 . . . . . . . . 9 ℕ ≠ ∅
127 dm0rn0 5497 . . . . . . . . . . 11 (dom seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) = ∅ ↔ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) = ∅)
128 fdm 6212 . . . . . . . . . . . . 13 (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)):ℕ⟶ℝ → dom seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) = ℕ)
12916, 128syl 17 . . . . . . . . . . . 12 (𝜑 → dom seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) = ℕ)
130129eqeq1d 2762 . . . . . . . . . . 11 (𝜑 → (dom seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) = ∅ ↔ ℕ = ∅))
131127, 130syl5bbr 274 . . . . . . . . . 10 (𝜑 → (ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) = ∅ ↔ ℕ = ∅))
132131necon3bid 2976 . . . . . . . . 9 (𝜑 → (ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ≠ ∅ ↔ ℕ ≠ ∅))
133126, 132mpbiri 248 . . . . . . . 8 (𝜑 → ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ≠ ∅)
134133ad2antrr 764 . . . . . . 7 (((𝜑𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)) ∧ (𝑚 ∈ ℕ ∧ 𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴)) → ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ≠ ∅)
135 1z 11599 . . . . . . . . . . . . . . . 16 1 ∈ ℤ
136 seqfn 13007 . . . . . . . . . . . . . . . 16 (1 ∈ ℤ → seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) Fn (ℤ‘1))
137135, 136ax-mp 5 . . . . . . . . . . . . . . 15 seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) Fn (ℤ‘1)
1383fneq2i 6147 . . . . . . . . . . . . . . 15 (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) Fn ℕ ↔ seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) Fn (ℤ‘1))
139137, 138mpbir 221 . . . . . . . . . . . . . 14 seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) Fn ℕ
140 dffn5 6403 . . . . . . . . . . . . . 14 (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) Fn ℕ ↔ seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) = (𝑛 ∈ ℕ ↦ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛)))
141139, 140mpbi 220 . . . . . . . . . . . . 13 seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) = (𝑛 ∈ ℕ ↦ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛))
142 fvex 6362 . . . . . . . . . . . . 13 (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ∈ V
143141, 142elrnmpti 5531 . . . . . . . . . . . 12 (𝑧 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ↔ ∃𝑛 ∈ ℕ 𝑧 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛))
144 r19.29 3210 . . . . . . . . . . . . 13 ((∀𝑛 ∈ ℕ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ 𝑠 ∧ ∃𝑛 ∈ ℕ 𝑧 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛)) → ∃𝑛 ∈ ℕ ((seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ 𝑠𝑧 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛)))
145 breq1 4807 . . . . . . . . . . . . . . 15 (𝑧 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) → (𝑧𝑠 ↔ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ 𝑠))
146145biimparc 505 . . . . . . . . . . . . . 14 (((seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ 𝑠𝑧 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛)) → 𝑧𝑠)
147146rexlimivw 3167 . . . . . . . . . . . . 13 (∃𝑛 ∈ ℕ ((seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ 𝑠𝑧 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛)) → 𝑧𝑠)
148144, 147syl 17 . . . . . . . . . . . 12 ((∀𝑛 ∈ ℕ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ 𝑠 ∧ ∃𝑛 ∈ ℕ 𝑧 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛)) → 𝑧𝑠)
149143, 148sylan2b 493 . . . . . . . . . . 11 ((∀𝑛 ∈ ℕ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ 𝑠𝑧 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))) → 𝑧𝑠)
150149ralrimiva 3104 . . . . . . . . . 10 (∀𝑛 ∈ ℕ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ 𝑠 → ∀𝑧 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))𝑧𝑠)
151150reximi 3149 . . . . . . . . 9 (∃𝑠 ∈ ℝ ∀𝑛 ∈ ℕ (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ≤ 𝑠 → ∃𝑠 ∈ ℝ ∀𝑧 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))𝑧𝑠)
15270, 151syl 17 . . . . . . . 8 (𝜑 → ∃𝑠 ∈ ℝ ∀𝑧 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))𝑧𝑠)
153152ad2antrr 764 . . . . . . 7 (((𝜑𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)) ∧ (𝑚 ∈ ℕ ∧ 𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴)) → ∃𝑠 ∈ ℝ ∀𝑧 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))𝑧𝑠)
154 simpr 479 . . . . . . . . . 10 ((𝜑𝑚 ∈ ℕ) → 𝑚 ∈ ℕ)
155 simpll 807 . . . . . . . . . . . 12 (((𝜑𝑚 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑚)) → 𝜑)
15679adantl 473 . . . . . . . . . . . 12 (((𝜑𝑚 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑚)) → 𝑘 ∈ ℕ)
157155, 156, 35syl2anc 696 . . . . . . . . . . 11 (((𝜑𝑚 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑚)) → ((𝑙 ∈ ℕ ↦ 𝐵)‘𝑘) = 𝐴)
158154, 3syl6eleq 2849 . . . . . . . . . . 11 ((𝜑𝑚 ∈ ℕ) → 𝑚 ∈ (ℤ‘1))
159155, 156, 5syl2anc 696 . . . . . . . . . . . . 13 (((𝜑𝑚 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑚)) → 𝐴 ∈ (0[,)+∞))
160159, 81syl 17 . . . . . . . . . . . 12 (((𝜑𝑚 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑚)) → 𝐴 ∈ ℝ)
161160recnd 10260 . . . . . . . . . . 11 (((𝜑𝑚 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑚)) → 𝐴 ∈ ℂ)
162157, 158, 161fsumser 14660 . . . . . . . . . 10 ((𝜑𝑚 ∈ ℕ) → Σ𝑘 ∈ (1...𝑚)𝐴 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑚))
163 fveq2 6352 . . . . . . . . . . . 12 (𝑛 = 𝑚 → (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑚))
164163eqeq2d 2770 . . . . . . . . . . 11 (𝑛 = 𝑚 → (Σ𝑘 ∈ (1...𝑚)𝐴 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) ↔ Σ𝑘 ∈ (1...𝑚)𝐴 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑚)))
165164rspcev 3449 . . . . . . . . . 10 ((𝑚 ∈ ℕ ∧ Σ𝑘 ∈ (1...𝑚)𝐴 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑚)) → ∃𝑛 ∈ ℕ Σ𝑘 ∈ (1...𝑚)𝐴 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛))
166154, 162, 165syl2anc 696 . . . . . . . . 9 ((𝜑𝑚 ∈ ℕ) → ∃𝑛 ∈ ℕ Σ𝑘 ∈ (1...𝑚)𝐴 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛))
167141, 142elrnmpti 5531 . . . . . . . . 9 𝑘 ∈ (1...𝑚)𝐴 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ↔ ∃𝑛 ∈ ℕ Σ𝑘 ∈ (1...𝑚)𝐴 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛))
168166, 167sylibr 224 . . . . . . . 8 ((𝜑𝑚 ∈ ℕ) → Σ𝑘 ∈ (1...𝑚)𝐴 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)))
169168ad2ant2r 800 . . . . . . 7 (((𝜑𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)) ∧ (𝑚 ∈ ℕ ∧ 𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴)) → Σ𝑘 ∈ (1...𝑚)𝐴 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)))
170 suprub 11176 . . . . . . 7 (((ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ⊆ ℝ ∧ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ≠ ∅ ∧ ∃𝑠 ∈ ℝ ∀𝑧 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))𝑧𝑠) ∧ Σ𝑘 ∈ (1...𝑚)𝐴 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))) → Σ𝑘 ∈ (1...𝑚)𝐴 ≤ sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))
171124, 134, 153, 169, 170syl31anc 1480 . . . . . 6 (((𝜑𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)) ∧ (𝑚 ∈ ℕ ∧ 𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴)) → Σ𝑘 ∈ (1...𝑚)𝐴 ≤ sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))
172116, 119, 120, 121, 171letrd 10386 . . . . 5 (((𝜑𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)) ∧ (𝑚 ∈ ℕ ∧ 𝑥 ≤ Σ𝑘 ∈ (1...𝑚)𝐴)) → 𝑥 ≤ sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))
17397, 172rexlimddv 3173 . . . 4 ((𝜑𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)) → 𝑥 ≤ sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))
17472adantr 472 . . . . 5 ((𝜑𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)) → sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ) ∈ ℝ)
175115, 174lenltd 10375 . . . 4 ((𝜑𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)) → (𝑥 ≤ sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ) ↔ ¬ sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ) < 𝑥))
176173, 175mpbid 222 . . 3 ((𝜑𝑥 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)) → ¬ sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ) < 𝑥)
177 simpr1r 1293 . . . . . . 7 ((𝜑 ∧ ((𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < )) ∧ 0 ≤ 𝑥𝑥 = +∞)) → 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))
1781773anassrs 1454 . . . . . 6 ((((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 0 ≤ 𝑥) ∧ 𝑥 = +∞) → 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))
17973ad3antrrr 768 . . . . . . . 8 ((((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 0 ≤ 𝑥) ∧ 𝑥 = +∞) → sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ) ∈ ℝ*)
180 pnfnlt 12155 . . . . . . . 8 (sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ) ∈ ℝ* → ¬ +∞ < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))
181179, 180syl 17 . . . . . . 7 ((((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 0 ≤ 𝑥) ∧ 𝑥 = +∞) → ¬ +∞ < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))
182 breq1 4807 . . . . . . . . 9 (𝑥 = +∞ → (𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ) ↔ +∞ < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < )))
183182notbid 307 . . . . . . . 8 (𝑥 = +∞ → (¬ 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ) ↔ ¬ +∞ < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < )))
184183adantl 473 . . . . . . 7 ((((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 0 ≤ 𝑥) ∧ 𝑥 = +∞) → (¬ 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ) ↔ ¬ +∞ < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < )))
185181, 184mpbird 247 . . . . . 6 ((((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 0 ≤ 𝑥) ∧ 𝑥 = +∞) → ¬ 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))
186178, 185pm2.21dd 186 . . . . 5 ((((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 0 ≤ 𝑥) ∧ 𝑥 = +∞) → ∃𝑦 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)𝑥 < 𝑦)
187 simplll 815 . . . . . 6 ((((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 0 ≤ 𝑥) ∧ 𝑥 < +∞) → 𝜑)
188 simpr1l 1291 . . . . . . . 8 ((𝜑 ∧ ((𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < )) ∧ 0 ≤ 𝑥𝑥 < +∞)) → 𝑥 ∈ ℝ*)
1891883anassrs 1454 . . . . . . 7 ((((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 0 ≤ 𝑥) ∧ 𝑥 < +∞) → 𝑥 ∈ ℝ*)
190 simplr 809 . . . . . . 7 ((((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 0 ≤ 𝑥) ∧ 𝑥 < +∞) → 0 ≤ 𝑥)
191 simpr 479 . . . . . . 7 ((((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 0 ≤ 𝑥) ∧ 𝑥 < +∞) → 𝑥 < +∞)
192 0xr 10278 . . . . . . . 8 0 ∈ ℝ*
193 pnfxr 10284 . . . . . . . 8 +∞ ∈ ℝ*
194 elico1 12411 . . . . . . . 8 ((0 ∈ ℝ* ∧ +∞ ∈ ℝ*) → (𝑥 ∈ (0[,)+∞) ↔ (𝑥 ∈ ℝ* ∧ 0 ≤ 𝑥𝑥 < +∞)))
195192, 193, 194mp2an 710 . . . . . . 7 (𝑥 ∈ (0[,)+∞) ↔ (𝑥 ∈ ℝ* ∧ 0 ≤ 𝑥𝑥 < +∞))
196189, 190, 191, 195syl3anbrc 1429 . . . . . 6 ((((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 0 ≤ 𝑥) ∧ 𝑥 < +∞) → 𝑥 ∈ (0[,)+∞))
197 simpr1r 1293 . . . . . . 7 ((𝜑 ∧ ((𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < )) ∧ 0 ≤ 𝑥𝑥 < +∞)) → 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))
1981973anassrs 1454 . . . . . 6 ((((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 0 ≤ 𝑥) ∧ 𝑥 < +∞) → 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))
199123adantr 472 . . . . . . . . 9 ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) → ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ⊆ ℝ)
200133adantr 472 . . . . . . . . 9 ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) → ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ≠ ∅)
201152adantr 472 . . . . . . . . 9 ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) → ∃𝑠 ∈ ℝ ∀𝑧 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))𝑧𝑠)
202199, 200, 2013jca 1123 . . . . . . . 8 ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) → (ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ⊆ ℝ ∧ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ≠ ∅ ∧ ∃𝑠 ∈ ℝ ∀𝑧 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))𝑧𝑠))
203 simprl 811 . . . . . . . . 9 ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) → 𝑥 ∈ (0[,)+∞))
20436, 203sseldi 3742 . . . . . . . 8 ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) → 𝑥 ∈ ℝ)
205 simprr 813 . . . . . . . 8 ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) → 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))
206 suprlub 11179 . . . . . . . . 9 (((ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ⊆ ℝ ∧ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ≠ ∅ ∧ ∃𝑠 ∈ ℝ ∀𝑧 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))𝑧𝑠) ∧ 𝑥 ∈ ℝ) → (𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ) ↔ ∃𝑦 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))𝑥 < 𝑦))
207206biimpa 502 . . . . . . . 8 ((((ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ⊆ ℝ ∧ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ≠ ∅ ∧ ∃𝑠 ∈ ℝ ∀𝑧 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))𝑧𝑠) ∧ 𝑥 ∈ ℝ) ∧ 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < )) → ∃𝑦 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))𝑥 < 𝑦)
208202, 204, 205, 207syl21anc 1476 . . . . . . 7 ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) → ∃𝑦 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))𝑥 < 𝑦)
20940ssriv 3748 . . . . . . . . . . . . . . . . 17 (1...𝑛) ⊆ ℕ
210 ovex 6841 . . . . . . . . . . . . . . . . . 18 (1...𝑛) ∈ V
211210elpw 4308 . . . . . . . . . . . . . . . . 17 ((1...𝑛) ∈ 𝒫 ℕ ↔ (1...𝑛) ⊆ ℕ)
212209, 211mpbir 221 . . . . . . . . . . . . . . . 16 (1...𝑛) ∈ 𝒫 ℕ
213 fzfi 12965 . . . . . . . . . . . . . . . 16 (1...𝑛) ∈ Fin
214 elin 3939 . . . . . . . . . . . . . . . 16 ((1...𝑛) ∈ (𝒫 ℕ ∩ Fin) ↔ ((1...𝑛) ∈ 𝒫 ℕ ∧ (1...𝑛) ∈ Fin))
215212, 213, 214mpbir2an 993 . . . . . . . . . . . . . . 15 (1...𝑛) ∈ (𝒫 ℕ ∩ Fin)
216215a1i 11 . . . . . . . . . . . . . 14 (((𝜑𝑛 ∈ ℕ) ∧ 𝑦 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛)) → (1...𝑛) ∈ (𝒫 ℕ ∩ Fin))
217 simpr 479 . . . . . . . . . . . . . . 15 (((𝜑𝑛 ∈ ℕ) ∧ 𝑦 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛)) → 𝑦 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛))
21845adantr 472 . . . . . . . . . . . . . . 15 (((𝜑𝑛 ∈ ℕ) ∧ 𝑦 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛)) → Σ𝑘 ∈ (1...𝑛)𝐴 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛))
219217, 218eqtr4d 2797 . . . . . . . . . . . . . 14 (((𝜑𝑛 ∈ ℕ) ∧ 𝑦 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛)) → 𝑦 = Σ𝑘 ∈ (1...𝑛)𝐴)
220 sumeq1 14618 . . . . . . . . . . . . . . . 16 (𝑏 = (1...𝑛) → Σ𝑘𝑏 𝐴 = Σ𝑘 ∈ (1...𝑛)𝐴)
221220eqeq2d 2770 . . . . . . . . . . . . . . 15 (𝑏 = (1...𝑛) → (𝑦 = Σ𝑘𝑏 𝐴𝑦 = Σ𝑘 ∈ (1...𝑛)𝐴))
222221rspcev 3449 . . . . . . . . . . . . . 14 (((1...𝑛) ∈ (𝒫 ℕ ∩ Fin) ∧ 𝑦 = Σ𝑘 ∈ (1...𝑛)𝐴) → ∃𝑏 ∈ (𝒫 ℕ ∩ Fin)𝑦 = Σ𝑘𝑏 𝐴)
223216, 219, 222syl2anc 696 . . . . . . . . . . . . 13 (((𝜑𝑛 ∈ ℕ) ∧ 𝑦 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛)) → ∃𝑏 ∈ (𝒫 ℕ ∩ Fin)𝑦 = Σ𝑘𝑏 𝐴)
224223ex 449 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ ℕ) → (𝑦 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) → ∃𝑏 ∈ (𝒫 ℕ ∩ Fin)𝑦 = Σ𝑘𝑏 𝐴))
225224rexlimdva 3169 . . . . . . . . . . 11 (𝜑 → (∃𝑛 ∈ ℕ 𝑦 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛) → ∃𝑏 ∈ (𝒫 ℕ ∩ Fin)𝑦 = Σ𝑘𝑏 𝐴))
226141, 142elrnmpti 5531 . . . . . . . . . . 11 (𝑦 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ↔ ∃𝑛 ∈ ℕ 𝑦 = (seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))‘𝑛))
22774, 75elrnmpti 5531 . . . . . . . . . . 11 (𝑦 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴) ↔ ∃𝑏 ∈ (𝒫 ℕ ∩ Fin)𝑦 = Σ𝑘𝑏 𝐴)
228225, 226, 2273imtr4g 285 . . . . . . . . . 10 (𝜑 → (𝑦 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) → 𝑦 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)))
229228ssrdv 3750 . . . . . . . . 9 (𝜑 → ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ⊆ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴))
230 ssrexv 3808 . . . . . . . . 9 (ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)) ⊆ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴) → (∃𝑦 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))𝑥 < 𝑦 → ∃𝑦 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)𝑥 < 𝑦))
231229, 230syl 17 . . . . . . . 8 (𝜑 → (∃𝑦 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))𝑥 < 𝑦 → ∃𝑦 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)𝑥 < 𝑦))
232231imp 444 . . . . . . 7 ((𝜑 ∧ ∃𝑦 ∈ ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵))𝑥 < 𝑦) → ∃𝑦 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)𝑥 < 𝑦)
233208, 232syldan 488 . . . . . 6 ((𝜑 ∧ (𝑥 ∈ (0[,)+∞) ∧ 𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) → ∃𝑦 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)𝑥 < 𝑦)
234187, 196, 198, 233syl12anc 1475 . . . . 5 ((((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 0 ≤ 𝑥) ∧ 𝑥 < +∞) → ∃𝑦 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)𝑥 < 𝑦)
235 simplrl 819 . . . . . 6 (((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 0 ≤ 𝑥) → 𝑥 ∈ ℝ*)
236 xrlelttric 29826 . . . . . . . 8 ((+∞ ∈ ℝ*𝑥 ∈ ℝ*) → (+∞ ≤ 𝑥𝑥 < +∞))
237193, 236mpan 708 . . . . . . 7 (𝑥 ∈ ℝ* → (+∞ ≤ 𝑥𝑥 < +∞))
238 xgepnf 12189 . . . . . . . 8 (𝑥 ∈ ℝ* → (+∞ ≤ 𝑥𝑥 = +∞))
239238orbi1d 741 . . . . . . 7 (𝑥 ∈ ℝ* → ((+∞ ≤ 𝑥𝑥 < +∞) ↔ (𝑥 = +∞ ∨ 𝑥 < +∞)))
240237, 239mpbid 222 . . . . . 6 (𝑥 ∈ ℝ* → (𝑥 = +∞ ∨ 𝑥 < +∞))
241235, 240syl 17 . . . . 5 (((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 0 ≤ 𝑥) → (𝑥 = +∞ ∨ 𝑥 < +∞))
242186, 234, 241mpjaodan 862 . . . 4 (((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 0 ≤ 𝑥) → ∃𝑦 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)𝑥 < 𝑦)
243 0elpw 4983 . . . . . . . . 9 ∅ ∈ 𝒫 ℕ
244 0fin 8353 . . . . . . . . 9 ∅ ∈ Fin
245 elin 3939 . . . . . . . . 9 (∅ ∈ (𝒫 ℕ ∩ Fin) ↔ (∅ ∈ 𝒫 ℕ ∧ ∅ ∈ Fin))
246243, 244, 245mpbir2an 993 . . . . . . . 8 ∅ ∈ (𝒫 ℕ ∩ Fin)
247 sum0 14651 . . . . . . . . 9 Σ𝑘 ∈ ∅ 𝐴 = 0
248247eqcomi 2769 . . . . . . . 8 0 = Σ𝑘 ∈ ∅ 𝐴
249 sumeq1 14618 . . . . . . . . . 10 (𝑏 = ∅ → Σ𝑘𝑏 𝐴 = Σ𝑘 ∈ ∅ 𝐴)
250249eqeq2d 2770 . . . . . . . . 9 (𝑏 = ∅ → (0 = Σ𝑘𝑏 𝐴 ↔ 0 = Σ𝑘 ∈ ∅ 𝐴))
251250rspcev 3449 . . . . . . . 8 ((∅ ∈ (𝒫 ℕ ∩ Fin) ∧ 0 = Σ𝑘 ∈ ∅ 𝐴) → ∃𝑏 ∈ (𝒫 ℕ ∩ Fin)0 = Σ𝑘𝑏 𝐴)
252246, 248, 251mp2an 710 . . . . . . 7 𝑏 ∈ (𝒫 ℕ ∩ Fin)0 = Σ𝑘𝑏 𝐴
25374, 75elrnmpti 5531 . . . . . . 7 (0 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴) ↔ ∃𝑏 ∈ (𝒫 ℕ ∩ Fin)0 = Σ𝑘𝑏 𝐴)
254252, 253mpbir 221 . . . . . 6 0 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)
255 breq2 4808 . . . . . . 7 (𝑦 = 0 → (𝑥 < 𝑦𝑥 < 0))
256255rspcev 3449 . . . . . 6 ((0 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴) ∧ 𝑥 < 0) → ∃𝑦 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)𝑥 < 𝑦)
257254, 256mpan 708 . . . . 5 (𝑥 < 0 → ∃𝑦 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)𝑥 < 𝑦)
258257adantl 473 . . . 4 (((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) ∧ 𝑥 < 0) → ∃𝑦 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)𝑥 < 𝑦)
259 xrlelttric 29826 . . . . . 6 ((0 ∈ ℝ*𝑥 ∈ ℝ*) → (0 ≤ 𝑥𝑥 < 0))
260192, 259mpan 708 . . . . 5 (𝑥 ∈ ℝ* → (0 ≤ 𝑥𝑥 < 0))
261260ad2antrl 766 . . . 4 ((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) → (0 ≤ 𝑥𝑥 < 0))
262242, 258, 261mpjaodan 862 . . 3 ((𝜑 ∧ (𝑥 ∈ ℝ*𝑥 < sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))) → ∃𝑦 ∈ ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴)𝑥 < 𝑦)
2632, 73, 176, 262eqsupd 8528 . 2 (𝜑 → sup(ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴), ℝ*, < ) = sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))
264 nfv 1992 . . 3 𝑘𝜑
265 nfcv 2902 . . 3 𝑘
266 nnex 11218 . . . 4 ℕ ∈ V
267266a1i 11 . . 3 (𝜑 → ℕ ∈ V)
268 icossicc 12453 . . . 4 (0[,)+∞) ⊆ (0[,]+∞)
269268, 5sseldi 3742 . . 3 ((𝜑𝑘 ∈ ℕ) → 𝐴 ∈ (0[,]+∞))
270 elex 3352 . . . . . 6 (𝑏 ∈ (𝒫 ℕ ∩ Fin) → 𝑏 ∈ V)
271270adantl 473 . . . . 5 ((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) → 𝑏 ∈ V)
272 eqid 2760 . . . . . 6 (𝑘𝑏𝐴) = (𝑘𝑏𝐴)
273109, 272fmptd 6548 . . . . 5 ((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) → (𝑘𝑏𝐴):𝑏⟶(0[,)+∞))
274 esumpfinvallem 30445 . . . . 5 ((𝑏 ∈ V ∧ (𝑘𝑏𝐴):𝑏⟶(0[,)+∞)) → (ℂfld Σg (𝑘𝑏𝐴)) = ((ℝ*𝑠s (0[,]+∞)) Σg (𝑘𝑏𝐴)))
275271, 273, 274syl2anc 696 . . . 4 ((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) → (ℂfld Σg (𝑘𝑏𝐴)) = ((ℝ*𝑠s (0[,]+∞)) Σg (𝑘𝑏𝐴)))
276110recnd 10260 . . . . 5 (((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) ∧ 𝑘𝑏) → 𝐴 ∈ ℂ)
277101, 276gsumfsum 20015 . . . 4 ((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) → (ℂfld Σg (𝑘𝑏𝐴)) = Σ𝑘𝑏 𝐴)
278275, 277eqtr3d 2796 . . 3 ((𝜑𝑏 ∈ (𝒫 ℕ ∩ Fin)) → ((ℝ*𝑠s (0[,]+∞)) Σg (𝑘𝑏𝐴)) = Σ𝑘𝑏 𝐴)
279264, 265, 267, 269, 278esumval 30417 . 2 (𝜑 → Σ*𝑘 ∈ ℕ𝐴 = sup(ran (𝑏 ∈ (𝒫 ℕ ∩ Fin) ↦ Σ𝑘𝑏 𝐴), ℝ*, < ))
2803, 4, 35, 43, 71isumclim 14687 . 2 (𝜑 → Σ𝑘 ∈ ℕ 𝐴 = sup(ran seq1( + , (𝑙 ∈ ℕ ↦ 𝐵)), ℝ, < ))
281263, 279, 2803eqtr4d 2804 1 (𝜑 → Σ*𝑘 ∈ ℕ𝐴 = Σ𝑘 ∈ ℕ 𝐴)
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 196  wo 382  wa 383  w3a 1072   = wceq 1632  wcel 2139  wne 2932  wral 3050  wrex 3051  Vcvv 3340  cin 3714  wss 3715  c0 4058  𝒫 cpw 4302   class class class wbr 4804  cmpt 4881   Or wor 5186  dom cdm 5266  ran crn 5267   Fn wfn 6044  wf 6045  cfv 6049  (class class class)co 6813  Fincfn 8121  supcsup 8511  cc 10126  cr 10127  0cc0 10128  1c1 10129   + caddc 10131  +∞cpnf 10263  *cxr 10265   < clt 10266  cle 10267  cn 11212  cz 11569  cuz 11879  [,)cico 12370  [,]cicc 12371  ...cfz 12519  seqcseq 12995  cli 14414  Σcsu 14615  s cress 16060   Σg cgsu 16303  *𝑠cxrs 16362  fldccnfld 19948  Σ*cesum 30398
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1871  ax-4 1886  ax-5 1988  ax-6 2054  ax-7 2090  ax-8 2141  ax-9 2148  ax-10 2168  ax-11 2183  ax-12 2196  ax-13 2391  ax-ext 2740  ax-rep 4923  ax-sep 4933  ax-nul 4941  ax-pow 4992  ax-pr 5055  ax-un 7114  ax-inf2 8711  ax-cnex 10184  ax-resscn 10185  ax-1cn 10186  ax-icn 10187  ax-addcl 10188  ax-addrcl 10189  ax-mulcl 10190  ax-mulrcl 10191  ax-mulcom 10192  ax-addass 10193  ax-mulass 10194  ax-distr 10195  ax-i2m1 10196  ax-1ne0 10197  ax-1rid 10198  ax-rnegex 10199  ax-rrecex 10200  ax-cnre 10201  ax-pre-lttri 10202  ax-pre-lttrn 10203  ax-pre-ltadd 10204  ax-pre-mulgt0 10205  ax-pre-sup 10206  ax-addf 10207  ax-mulf 10208
This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3or 1073  df-3an 1074  df-tru 1635  df-fal 1638  df-ex 1854  df-nf 1859  df-sb 2047  df-eu 2611  df-mo 2612  df-clab 2747  df-cleq 2753  df-clel 2756  df-nfc 2891  df-ne 2933  df-nel 3036  df-ral 3055  df-rex 3056  df-reu 3057  df-rmo 3058  df-rab 3059  df-v 3342  df-sbc 3577  df-csb 3675  df-dif 3718  df-un 3720  df-in 3722  df-ss 3729  df-pss 3731  df-nul 4059  df-if 4231  df-pw 4304  df-sn 4322  df-pr 4324  df-tp 4326  df-op 4328  df-uni 4589  df-int 4628  df-iun 4674  df-iin 4675  df-br 4805  df-opab 4865  df-mpt 4882  df-tr 4905  df-id 5174  df-eprel 5179  df-po 5187  df-so 5188  df-fr 5225  df-se 5226  df-we 5227  df-xp 5272  df-rel 5273  df-cnv 5274  df-co 5275  df-dm 5276  df-rn 5277  df-res 5278  df-ima 5279  df-pred 5841  df-ord 5887  df-on 5888  df-lim 5889  df-suc 5890  df-iota 6012  df-fun 6051  df-fn 6052  df-f 6053  df-f1 6054  df-fo 6055  df-f1o 6056  df-fv 6057  df-isom 6058  df-riota 6774  df-ov 6816  df-oprab 6817  df-mpt2 6818  df-of 7062  df-om 7231  df-1st 7333  df-2nd 7334  df-supp 7464  df-wrecs 7576  df-recs 7637  df-rdg 7675  df-1o 7729  df-oadd 7733  df-er 7911  df-map 8025  df-pm 8026  df-en 8122  df-dom 8123  df-sdom 8124  df-fin 8125  df-fsupp 8441  df-fi 8482  df-sup 8513  df-inf 8514  df-oi 8580  df-card 8955  df-pnf 10268  df-mnf 10269  df-xr 10270  df-ltxr 10271  df-le 10272  df-sub 10460  df-neg 10461  df-div 10877  df-nn 11213  df-2 11271  df-3 11272  df-4 11273  df-5 11274  df-6 11275  df-7 11276  df-8 11277  df-9 11278  df-n0 11485  df-z 11570  df-dec 11686  df-uz 11880  df-q 11982  df-rp 12026  df-xadd 12140  df-ioo 12372  df-ioc 12373  df-ico 12374  df-icc 12375  df-fz 12520  df-fzo 12660  df-fl 12787  df-seq 12996  df-exp 13055  df-hash 13312  df-cj 14038  df-re 14039  df-im 14040  df-sqrt 14174  df-abs 14175  df-clim 14418  df-rlim 14419  df-sum 14616  df-struct 16061  df-ndx 16062  df-slot 16063  df-base 16065  df-sets 16066  df-ress 16067  df-plusg 16156  df-mulr 16157  df-starv 16158  df-tset 16162  df-ple 16163  df-ds 16166  df-unif 16167  df-rest 16285  df-topn 16286  df-0g 16304  df-gsum 16305  df-topgen 16306  df-ordt 16363  df-xrs 16364  df-mre 16448  df-mrc 16449  df-acs 16451  df-ps 17401  df-tsr 17402  df-mgm 17443  df-sgrp 17485  df-mnd 17496  df-submnd 17537  df-grp 17626  df-minusg 17627  df-cntz 17950  df-cmn 18395  df-abl 18396  df-mgp 18690  df-ur 18702  df-ring 18749  df-cring 18750  df-fbas 19945  df-fg 19946  df-cnfld 19949  df-top 20901  df-topon 20918  df-topsp 20939  df-bases 20952  df-ntr 21026  df-nei 21104  df-cn 21233  df-haus 21321  df-fil 21851  df-fm 21943  df-flim 21944  df-flf 21945  df-tsms 22131  df-esum 30399
This theorem is referenced by:  esumcvg  30457  esumcvgsum  30459
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