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Theorem esumrnmpt2 31335
Description: Rewrite an extended sum into a sum on the range of a mapping function. (Contributed by Thierry Arnoux, 30-May-2020.)
Hypotheses
Ref Expression
esumrnmpt2.1 (𝑦 = 𝐵𝐶 = 𝐷)
esumrnmpt2.2 (𝜑𝐴𝑉)
esumrnmpt2.3 ((𝜑𝑘𝐴) → 𝐷 ∈ (0[,]+∞))
esumrnmpt2.4 ((𝜑𝑘𝐴) → 𝐵𝑊)
esumrnmpt2.5 (((𝜑𝑘𝐴) ∧ 𝐵 = ∅) → 𝐷 = 0)
esumrnmpt2.6 (𝜑Disj 𝑘𝐴 𝐵)
Assertion
Ref Expression
esumrnmpt2 (𝜑 → Σ*𝑦 ∈ ran (𝑘𝐴𝐵)𝐶 = Σ*𝑘𝐴𝐷)
Distinct variable groups:   𝐴,𝑘,𝑦   𝑦,𝐵   𝐶,𝑘   𝑦,𝐷   𝑘,𝑊   𝜑,𝑘,𝑦
Allowed substitution hints:   𝐵(𝑘)   𝐶(𝑦)   𝐷(𝑘)   𝑉(𝑦,𝑘)   𝑊(𝑦)

Proof of Theorem esumrnmpt2
StepHypRef Expression
1 nfrab1 3369 . . . . 5 𝑘{𝑘𝐴 ∣ ¬ 𝐵 = ∅}
2 esumrnmpt2.1 . . . . 5 (𝑦 = 𝐵𝐶 = 𝐷)
3 esumrnmpt2.2 . . . . . 6 (𝜑𝐴𝑉)
4 ssrab2 4032 . . . . . . 7 {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ⊆ 𝐴
54a1i 11 . . . . . 6 (𝜑 → {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ⊆ 𝐴)
63, 5ssexd 5201 . . . . 5 (𝜑 → {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ∈ V)
75sselda 3943 . . . . . 6 ((𝜑𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) → 𝑘𝐴)
8 esumrnmpt2.3 . . . . . 6 ((𝜑𝑘𝐴) → 𝐷 ∈ (0[,]+∞))
97, 8syldan 594 . . . . 5 ((𝜑𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) → 𝐷 ∈ (0[,]+∞))
10 esumrnmpt2.4 . . . . . . 7 ((𝜑𝑘𝐴) → 𝐵𝑊)
117, 10syldan 594 . . . . . 6 ((𝜑𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) → 𝐵𝑊)
12 rabid 3363 . . . . . . . . 9 (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↔ (𝑘𝐴 ∧ ¬ 𝐵 = ∅))
1312simprbi 500 . . . . . . . 8 (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} → ¬ 𝐵 = ∅)
1413adantl 485 . . . . . . 7 ((𝜑𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) → ¬ 𝐵 = ∅)
15 elsng 4554 . . . . . . . 8 (𝐵𝑊 → (𝐵 ∈ {∅} ↔ 𝐵 = ∅))
1611, 15syl 17 . . . . . . 7 ((𝜑𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) → (𝐵 ∈ {∅} ↔ 𝐵 = ∅))
1714, 16mtbird 328 . . . . . 6 ((𝜑𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) → ¬ 𝐵 ∈ {∅})
1811, 17eldifd 3921 . . . . 5 ((𝜑𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) → 𝐵 ∈ (𝑊 ∖ {∅}))
19 esumrnmpt2.6 . . . . . 6 (𝜑Disj 𝑘𝐴 𝐵)
20 nfcv 2974 . . . . . . 7 𝑘𝐴
211, 20disjss1f 30309 . . . . . 6 ({𝑘𝐴 ∣ ¬ 𝐵 = ∅} ⊆ 𝐴 → (Disj 𝑘𝐴 𝐵Disj 𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐵))
225, 19, 21sylc 65 . . . . 5 (𝜑Disj 𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐵)
231, 2, 6, 9, 18, 22esumrnmpt 31319 . . . 4 (𝜑 → Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)𝐶 = Σ*𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷)
24 nfv 1916 . . . . . . . . . . 11 𝑦(𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅)
25 snex 5305 . . . . . . . . . . . 12 {∅} ∈ V
2625a1i 11 . . . . . . . . . . 11 ((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) → {∅} ∈ V)
27 velsn 4556 . . . . . . . . . . . . . . 15 (𝑦 ∈ {∅} ↔ 𝑦 = ∅)
2827biimpi 219 . . . . . . . . . . . . . 14 (𝑦 ∈ {∅} → 𝑦 = ∅)
2928adantl 485 . . . . . . . . . . . . 13 (((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) ∧ 𝑦 ∈ {∅}) → 𝑦 = ∅)
30 nfv 1916 . . . . . . . . . . . . . . . 16 𝑘𝜑
31 nfre1 3292 . . . . . . . . . . . . . . . 16 𝑘𝑘𝐴 𝐵 = ∅
3230, 31nfan 1901 . . . . . . . . . . . . . . 15 𝑘(𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅)
33 nfv 1916 . . . . . . . . . . . . . . 15 𝑘 𝑦 = ∅
3432, 33nfan 1901 . . . . . . . . . . . . . 14 𝑘((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) ∧ 𝑦 = ∅)
35 nfv 1916 . . . . . . . . . . . . . 14 𝑘 𝐶 = 0
36 simpllr 775 . . . . . . . . . . . . . . . . 17 (((((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) ∧ 𝑦 = ∅) ∧ 𝑘𝐴) ∧ 𝐵 = ∅) → 𝑦 = ∅)
37 simpr 488 . . . . . . . . . . . . . . . . 17 (((((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) ∧ 𝑦 = ∅) ∧ 𝑘𝐴) ∧ 𝐵 = ∅) → 𝐵 = ∅)
3836, 37eqtr4d 2859 . . . . . . . . . . . . . . . 16 (((((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) ∧ 𝑦 = ∅) ∧ 𝑘𝐴) ∧ 𝐵 = ∅) → 𝑦 = 𝐵)
3938, 2syl 17 . . . . . . . . . . . . . . 15 (((((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) ∧ 𝑦 = ∅) ∧ 𝑘𝐴) ∧ 𝐵 = ∅) → 𝐶 = 𝐷)
40 simp-4l 782 . . . . . . . . . . . . . . . 16 (((((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) ∧ 𝑦 = ∅) ∧ 𝑘𝐴) ∧ 𝐵 = ∅) → 𝜑)
41 simplr 768 . . . . . . . . . . . . . . . 16 (((((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) ∧ 𝑦 = ∅) ∧ 𝑘𝐴) ∧ 𝐵 = ∅) → 𝑘𝐴)
42 esumrnmpt2.5 . . . . . . . . . . . . . . . 16 (((𝜑𝑘𝐴) ∧ 𝐵 = ∅) → 𝐷 = 0)
4340, 41, 37, 42syl21anc 836 . . . . . . . . . . . . . . 15 (((((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) ∧ 𝑦 = ∅) ∧ 𝑘𝐴) ∧ 𝐵 = ∅) → 𝐷 = 0)
4439, 43eqtrd 2856 . . . . . . . . . . . . . 14 (((((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) ∧ 𝑦 = ∅) ∧ 𝑘𝐴) ∧ 𝐵 = ∅) → 𝐶 = 0)
45 simplr 768 . . . . . . . . . . . . . 14 (((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) ∧ 𝑦 = ∅) → ∃𝑘𝐴 𝐵 = ∅)
4634, 35, 44, 45r19.29af2 3315 . . . . . . . . . . . . 13 (((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) ∧ 𝑦 = ∅) → 𝐶 = 0)
4729, 46syldan 594 . . . . . . . . . . . 12 (((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) ∧ 𝑦 ∈ {∅}) → 𝐶 = 0)
48 0e0iccpnf 12827 . . . . . . . . . . . 12 0 ∈ (0[,]+∞)
4947, 48eqeltrdi 2920 . . . . . . . . . . 11 (((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) ∧ 𝑦 ∈ {∅}) → 𝐶 ∈ (0[,]+∞))
50 nfcv 2974 . . . . . . . . . . . . . . . . 17 𝑘𝑦
51 nfmpt1 5137 . . . . . . . . . . . . . . . . . 18 𝑘(𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)
5251nfrn 5797 . . . . . . . . . . . . . . . . 17 𝑘ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)
5350, 52nfel 2988 . . . . . . . . . . . . . . . 16 𝑘 𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)
5430, 53nfan 1901 . . . . . . . . . . . . . . 15 𝑘(𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵))
55 simpr 488 . . . . . . . . . . . . . . . . 17 ((((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)) ∧ 𝑘 ∈ {𝑘𝐴𝐵 = ∅}) ∧ 𝑦 = 𝐵) → 𝑦 = 𝐵)
56 rabid 3363 . . . . . . . . . . . . . . . . . . 19 (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↔ (𝑘𝐴𝐵 = ∅))
5756simprbi 500 . . . . . . . . . . . . . . . . . 18 (𝑘 ∈ {𝑘𝐴𝐵 = ∅} → 𝐵 = ∅)
5857ad2antlr 726 . . . . . . . . . . . . . . . . 17 ((((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)) ∧ 𝑘 ∈ {𝑘𝐴𝐵 = ∅}) ∧ 𝑦 = 𝐵) → 𝐵 = ∅)
5955, 58eqtrd 2856 . . . . . . . . . . . . . . . 16 ((((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)) ∧ 𝑘 ∈ {𝑘𝐴𝐵 = ∅}) ∧ 𝑦 = 𝐵) → 𝑦 = ∅)
6059, 27sylibr 237 . . . . . . . . . . . . . . 15 ((((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)) ∧ 𝑘 ∈ {𝑘𝐴𝐵 = ∅}) ∧ 𝑦 = 𝐵) → 𝑦 ∈ {∅})
61 vex 3474 . . . . . . . . . . . . . . . . . 18 𝑦 ∈ V
62 eqid 2821 . . . . . . . . . . . . . . . . . . 19 (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) = (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)
6362elrnmpt 5801 . . . . . . . . . . . . . . . . . 18 (𝑦 ∈ V → (𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ↔ ∃𝑘 ∈ {𝑘𝐴𝐵 = ∅}𝑦 = 𝐵))
6461, 63ax-mp 5 . . . . . . . . . . . . . . . . 17 (𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ↔ ∃𝑘 ∈ {𝑘𝐴𝐵 = ∅}𝑦 = 𝐵)
6564biimpi 219 . . . . . . . . . . . . . . . 16 (𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) → ∃𝑘 ∈ {𝑘𝐴𝐵 = ∅}𝑦 = 𝐵)
6665adantl 485 . . . . . . . . . . . . . . 15 ((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)) → ∃𝑘 ∈ {𝑘𝐴𝐵 = ∅}𝑦 = 𝐵)
6754, 60, 66r19.29af 3316 . . . . . . . . . . . . . 14 ((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)) → 𝑦 ∈ {∅})
6867ex 416 . . . . . . . . . . . . 13 (𝜑 → (𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) → 𝑦 ∈ {∅}))
6968ssrdv 3949 . . . . . . . . . . . 12 (𝜑 → ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ⊆ {∅})
7069adantr 484 . . . . . . . . . . 11 ((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) → ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ⊆ {∅})
7124, 26, 49, 70esummono 31321 . . . . . . . . . 10 ((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) → Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ≤ Σ*𝑦 ∈ {∅}𝐶)
72 0ex 5184 . . . . . . . . . . . 12 ∅ ∈ V
7372a1i 11 . . . . . . . . . . 11 ((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) → ∅ ∈ V)
7448a1i 11 . . . . . . . . . . 11 ((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) → 0 ∈ (0[,]+∞))
7546, 73, 74esumsn 31332 . . . . . . . . . 10 ((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) → Σ*𝑦 ∈ {∅}𝐶 = 0)
7671, 75breqtrd 5065 . . . . . . . . 9 ((𝜑 ∧ ∃𝑘𝐴 𝐵 = ∅) → Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ≤ 0)
77 simpr 488 . . . . . . . . . 10 ((𝜑 ∧ ¬ ∃𝑘𝐴 𝐵 = ∅) → ¬ ∃𝑘𝐴 𝐵 = ∅)
78 nfv 1916 . . . . . . . . . . . . 13 𝑦 ¬ ∃𝑘𝐴 𝐵 = ∅
7931nfn 1858 . . . . . . . . . . . . . . . . 17 𝑘 ¬ ∃𝑘𝐴 𝐵 = ∅
80 rabn0 4312 . . . . . . . . . . . . . . . . . . 19 ({𝑘𝐴𝐵 = ∅} ≠ ∅ ↔ ∃𝑘𝐴 𝐵 = ∅)
8180biimpi 219 . . . . . . . . . . . . . . . . . 18 ({𝑘𝐴𝐵 = ∅} ≠ ∅ → ∃𝑘𝐴 𝐵 = ∅)
8281necon1bi 3035 . . . . . . . . . . . . . . . . 17 (¬ ∃𝑘𝐴 𝐵 = ∅ → {𝑘𝐴𝐵 = ∅} = ∅)
83 eqid 2821 . . . . . . . . . . . . . . . . . 18 𝐵 = 𝐵
8483a1i 11 . . . . . . . . . . . . . . . . 17 (¬ ∃𝑘𝐴 𝐵 = ∅ → 𝐵 = 𝐵)
8579, 82, 84mpteq12df 5121 . . . . . . . . . . . . . . . 16 (¬ ∃𝑘𝐴 𝐵 = ∅ → (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) = (𝑘 ∈ ∅ ↦ 𝐵))
86 mpt0 6463 . . . . . . . . . . . . . . . 16 (𝑘 ∈ ∅ ↦ 𝐵) = ∅
8785, 86syl6eq 2872 . . . . . . . . . . . . . . 15 (¬ ∃𝑘𝐴 𝐵 = ∅ → (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) = ∅)
8887rneqd 5781 . . . . . . . . . . . . . 14 (¬ ∃𝑘𝐴 𝐵 = ∅ → ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) = ran ∅)
89 rn0 5769 . . . . . . . . . . . . . 14 ran ∅ = ∅
9088, 89syl6eq 2872 . . . . . . . . . . . . 13 (¬ ∃𝑘𝐴 𝐵 = ∅ → ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) = ∅)
9178, 90esumeq1d 31302 . . . . . . . . . . . 12 (¬ ∃𝑘𝐴 𝐵 = ∅ → Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 = Σ*𝑦 ∈ ∅𝐶)
92 esumnul 31315 . . . . . . . . . . . 12 Σ*𝑦 ∈ ∅𝐶 = 0
9391, 92syl6eq 2872 . . . . . . . . . . 11 (¬ ∃𝑘𝐴 𝐵 = ∅ → Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 = 0)
94 0le0 11716 . . . . . . . . . . 11 0 ≤ 0
9593, 94eqbrtrdi 5078 . . . . . . . . . 10 (¬ ∃𝑘𝐴 𝐵 = ∅ → Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ≤ 0)
9677, 95syl 17 . . . . . . . . 9 ((𝜑 ∧ ¬ ∃𝑘𝐴 𝐵 = ∅) → Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ≤ 0)
9776, 96pm2.61dan 812 . . . . . . . 8 (𝜑 → Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ≤ 0)
98 ssrab2 4032 . . . . . . . . . . . . 13 {𝑘𝐴𝐵 = ∅} ⊆ 𝐴
9998a1i 11 . . . . . . . . . . . 12 (𝜑 → {𝑘𝐴𝐵 = ∅} ⊆ 𝐴)
1003, 99ssexd 5201 . . . . . . . . . . 11 (𝜑 → {𝑘𝐴𝐵 = ∅} ∈ V)
101 nfrab1 3369 . . . . . . . . . . . 12 𝑘{𝑘𝐴𝐵 = ∅}
102101mptexgf 6958 . . . . . . . . . . 11 ({𝑘𝐴𝐵 = ∅} ∈ V → (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∈ V)
103 rnexg 7589 . . . . . . . . . . 11 ((𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∈ V → ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∈ V)
104100, 102, 1033syl 18 . . . . . . . . . 10 (𝜑 → ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∈ V)
1052adantl 485 . . . . . . . . . . . . 13 ((((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)) ∧ 𝑘 ∈ {𝑘𝐴𝐵 = ∅}) ∧ 𝑦 = 𝐵) → 𝐶 = 𝐷)
106 simplll 774 . . . . . . . . . . . . . 14 ((((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)) ∧ 𝑘 ∈ {𝑘𝐴𝐵 = ∅}) ∧ 𝑦 = 𝐵) → 𝜑)
10799sselda 3943 . . . . . . . . . . . . . . . 16 ((𝜑𝑘 ∈ {𝑘𝐴𝐵 = ∅}) → 𝑘𝐴)
108107adantlr 714 . . . . . . . . . . . . . . 15 (((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)) ∧ 𝑘 ∈ {𝑘𝐴𝐵 = ∅}) → 𝑘𝐴)
109108adantr 484 . . . . . . . . . . . . . 14 ((((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)) ∧ 𝑘 ∈ {𝑘𝐴𝐵 = ∅}) ∧ 𝑦 = 𝐵) → 𝑘𝐴)
110106, 109, 8syl2anc 587 . . . . . . . . . . . . 13 ((((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)) ∧ 𝑘 ∈ {𝑘𝐴𝐵 = ∅}) ∧ 𝑦 = 𝐵) → 𝐷 ∈ (0[,]+∞))
111105, 110eqeltrd 2912 . . . . . . . . . . . 12 ((((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)) ∧ 𝑘 ∈ {𝑘𝐴𝐵 = ∅}) ∧ 𝑦 = 𝐵) → 𝐶 ∈ (0[,]+∞))
11254, 111, 66r19.29af 3316 . . . . . . . . . . 11 ((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)) → 𝐶 ∈ (0[,]+∞))
113112ralrimiva 3170 . . . . . . . . . 10 (𝜑 → ∀𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ∈ (0[,]+∞))
114 nfcv 2974 . . . . . . . . . . 11 𝑦ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)
115114esumcl 31297 . . . . . . . . . 10 ((ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∈ V ∧ ∀𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ∈ (0[,]+∞)) → Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ∈ (0[,]+∞))
116104, 113, 115syl2anc 587 . . . . . . . . 9 (𝜑 → Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ∈ (0[,]+∞))
117 elxrge0 12825 . . . . . . . . . 10 *𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ∈ (0[,]+∞) ↔ (Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ∈ ℝ* ∧ 0 ≤ Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶))
118117simprbi 500 . . . . . . . . 9 *𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ∈ (0[,]+∞) → 0 ≤ Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶)
119116, 118syl 17 . . . . . . . 8 (𝜑 → 0 ≤ Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶)
12097, 119jca 515 . . . . . . 7 (𝜑 → (Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ≤ 0 ∧ 0 ≤ Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶))
121 iccssxr 12798 . . . . . . . . 9 (0[,]+∞) ⊆ ℝ*
122121, 116sseldi 3941 . . . . . . . 8 (𝜑 → Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ∈ ℝ*)
123121, 48sselii 3940 . . . . . . . . 9 0 ∈ ℝ*
124123a1i 11 . . . . . . . 8 (𝜑 → 0 ∈ ℝ*)
125 xrletri3 12525 . . . . . . . 8 ((Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ∈ ℝ* ∧ 0 ∈ ℝ*) → (Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 = 0 ↔ (Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ≤ 0 ∧ 0 ≤ Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶)))
126122, 124, 125syl2anc 587 . . . . . . 7 (𝜑 → (Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 = 0 ↔ (Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 ≤ 0 ∧ 0 ≤ Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶)))
127120, 126mpbird 260 . . . . . 6 (𝜑 → Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 = 0)
128127oveq1d 7145 . . . . 5 (𝜑 → (Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 +𝑒 Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)𝐶) = (0 +𝑒 Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)𝐶))
1299ralrimiva 3170 . . . . . . . . 9 (𝜑 → ∀𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷 ∈ (0[,]+∞))
1301esumcl 31297 . . . . . . . . 9 (({𝑘𝐴 ∣ ¬ 𝐵 = ∅} ∈ V ∧ ∀𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷 ∈ (0[,]+∞)) → Σ*𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷 ∈ (0[,]+∞))
1316, 129, 130syl2anc 587 . . . . . . . 8 (𝜑 → Σ*𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷 ∈ (0[,]+∞))
132121, 131sseldi 3941 . . . . . . 7 (𝜑 → Σ*𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷 ∈ ℝ*)
13323, 132eqeltrd 2912 . . . . . 6 (𝜑 → Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)𝐶 ∈ ℝ*)
134 xaddid2 12613 . . . . . 6 *𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)𝐶 ∈ ℝ* → (0 +𝑒 Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)𝐶) = Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)𝐶)
135133, 134syl 17 . . . . 5 (𝜑 → (0 +𝑒 Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)𝐶) = Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)𝐶)
136128, 135eqtrd 2856 . . . 4 (𝜑 → (Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 +𝑒 Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)𝐶) = Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)𝐶)
137 simpl 486 . . . . . . . . . 10 ((𝜑𝑘 ∈ {𝑘𝐴𝐵 = ∅}) → 𝜑)
13857adantl 485 . . . . . . . . . 10 ((𝜑𝑘 ∈ {𝑘𝐴𝐵 = ∅}) → 𝐵 = ∅)
139137, 107, 138, 42syl21anc 836 . . . . . . . . 9 ((𝜑𝑘 ∈ {𝑘𝐴𝐵 = ∅}) → 𝐷 = 0)
140139ralrimiva 3170 . . . . . . . 8 (𝜑 → ∀𝑘 ∈ {𝑘𝐴𝐵 = ∅}𝐷 = 0)
14130, 140esumeq2d 31304 . . . . . . 7 (𝜑 → Σ*𝑘 ∈ {𝑘𝐴𝐵 = ∅}𝐷 = Σ*𝑘 ∈ {𝑘𝐴𝐵 = ∅}0)
142101esum0 31316 . . . . . . . 8 ({𝑘𝐴𝐵 = ∅} ∈ V → Σ*𝑘 ∈ {𝑘𝐴𝐵 = ∅}0 = 0)
143100, 142syl 17 . . . . . . 7 (𝜑 → Σ*𝑘 ∈ {𝑘𝐴𝐵 = ∅}0 = 0)
144141, 143eqtrd 2856 . . . . . 6 (𝜑 → Σ*𝑘 ∈ {𝑘𝐴𝐵 = ∅}𝐷 = 0)
145144oveq1d 7145 . . . . 5 (𝜑 → (Σ*𝑘 ∈ {𝑘𝐴𝐵 = ∅}𝐷 +𝑒 Σ*𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷) = (0 +𝑒 Σ*𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷))
146 xaddid2 12613 . . . . . 6 *𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷 ∈ ℝ* → (0 +𝑒 Σ*𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷) = Σ*𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷)
147132, 146syl 17 . . . . 5 (𝜑 → (0 +𝑒 Σ*𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷) = Σ*𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷)
148145, 147eqtrd 2856 . . . 4 (𝜑 → (Σ*𝑘 ∈ {𝑘𝐴𝐵 = ∅}𝐷 +𝑒 Σ*𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷) = Σ*𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷)
14923, 136, 1483eqtr4d 2866 . . 3 (𝜑 → (Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 +𝑒 Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)𝐶) = (Σ*𝑘 ∈ {𝑘𝐴𝐵 = ∅}𝐷 +𝑒 Σ*𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷))
150 nfv 1916 . . . 4 𝑦𝜑
151 nfcv 2974 . . . 4 𝑦ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)
1521mptexgf 6958 . . . . 5 ({𝑘𝐴 ∣ ¬ 𝐵 = ∅} ∈ V → (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵) ∈ V)
153 rnexg 7589 . . . . 5 ((𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵) ∈ V → ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵) ∈ V)
1546, 152, 1533syl 18 . . . 4 (𝜑 → ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵) ∈ V)
15569ssrind 4187 . . . . . 6 (𝜑 → (ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∩ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)) ⊆ ({∅} ∩ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)))
156 incom 4153 . . . . . . 7 (ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵) ∩ {∅}) = ({∅} ∩ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵))
15713neqned 3014 . . . . . . . . . . . 12 (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} → 𝐵 ≠ ∅)
158157necomd 3062 . . . . . . . . . . 11 (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} → ∅ ≠ 𝐵)
159158neneqd 3012 . . . . . . . . . 10 (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} → ¬ ∅ = 𝐵)
160159nrex 3255 . . . . . . . . 9 ¬ ∃𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}∅ = 𝐵
161 eqid 2821 . . . . . . . . . . 11 (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵) = (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)
162161elrnmpt 5801 . . . . . . . . . 10 (∅ ∈ V → (∅ ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵) ↔ ∃𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}∅ = 𝐵))
16372, 162ax-mp 5 . . . . . . . . 9 (∅ ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵) ↔ ∃𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}∅ = 𝐵)
164160, 163mtbir 326 . . . . . . . 8 ¬ ∅ ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)
165 disjsn 4620 . . . . . . . 8 ((ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵) ∩ {∅}) = ∅ ↔ ¬ ∅ ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵))
166164, 165mpbir 234 . . . . . . 7 (ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵) ∩ {∅}) = ∅
167156, 166eqtr3i 2846 . . . . . 6 ({∅} ∩ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)) = ∅
168155, 167sseqtrdi 3993 . . . . 5 (𝜑 → (ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∩ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)) ⊆ ∅)
169 ss0 4325 . . . . 5 ((ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∩ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)) ⊆ ∅ → (ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∩ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)) = ∅)
170168, 169syl 17 . . . 4 (𝜑 → (ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∩ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)) = ∅)
171 nfmpt1 5137 . . . . . . . 8 𝑘(𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)
172171nfrn 5797 . . . . . . 7 𝑘ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)
17350, 172nfel 2988 . . . . . 6 𝑘 𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)
17430, 173nfan 1901 . . . . 5 𝑘(𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵))
1752adantl 485 . . . . . 6 ((((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)) ∧ 𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) ∧ 𝑦 = 𝐵) → 𝐶 = 𝐷)
176 simplll 774 . . . . . . 7 ((((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)) ∧ 𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) ∧ 𝑦 = 𝐵) → 𝜑)
1777adantlr 714 . . . . . . . 8 (((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)) ∧ 𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) → 𝑘𝐴)
178177adantr 484 . . . . . . 7 ((((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)) ∧ 𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) ∧ 𝑦 = 𝐵) → 𝑘𝐴)
179176, 178, 8syl2anc 587 . . . . . 6 ((((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)) ∧ 𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) ∧ 𝑦 = 𝐵) → 𝐷 ∈ (0[,]+∞))
180175, 179eqeltrd 2912 . . . . 5 ((((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)) ∧ 𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) ∧ 𝑦 = 𝐵) → 𝐶 ∈ (0[,]+∞))
181161elrnmpt 5801 . . . . . . . 8 (𝑦 ∈ V → (𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵) ↔ ∃𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝑦 = 𝐵))
18261, 181ax-mp 5 . . . . . . 7 (𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵) ↔ ∃𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝑦 = 𝐵)
183182biimpi 219 . . . . . 6 (𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵) → ∃𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝑦 = 𝐵)
184183adantl 485 . . . . 5 ((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)) → ∃𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝑦 = 𝐵)
185174, 180, 184r19.29af 3316 . . . 4 ((𝜑𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)) → 𝐶 ∈ (0[,]+∞))
186150, 114, 151, 104, 154, 170, 112, 185esumsplit 31320 . . 3 (𝜑 → Σ*𝑦 ∈ (ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∪ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵))𝐶 = (Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵)𝐶 +𝑒 Σ*𝑦 ∈ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)𝐶))
187 rabnc 4314 . . . . 5 ({𝑘𝐴𝐵 = ∅} ∩ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) = ∅
188187a1i 11 . . . 4 (𝜑 → ({𝑘𝐴𝐵 = ∅} ∩ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) = ∅)
189107, 8syldan 594 . . . 4 ((𝜑𝑘 ∈ {𝑘𝐴𝐵 = ∅}) → 𝐷 ∈ (0[,]+∞))
19030, 101, 1, 100, 6, 188, 189, 9esumsplit 31320 . . 3 (𝜑 → Σ*𝑘 ∈ ({𝑘𝐴𝐵 = ∅} ∪ {𝑘𝐴 ∣ ¬ 𝐵 = ∅})𝐷 = (Σ*𝑘 ∈ {𝑘𝐴𝐵 = ∅}𝐷 +𝑒 Σ*𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}𝐷))
191149, 186, 1903eqtr4d 2866 . 2 (𝜑 → Σ*𝑦 ∈ (ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∪ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵))𝐶 = Σ*𝑘 ∈ ({𝑘𝐴𝐵 = ∅} ∪ {𝑘𝐴 ∣ ¬ 𝐵 = ∅})𝐷)
192 rabxm 4313 . . . . . . . 8 𝐴 = ({𝑘𝐴𝐵 = ∅} ∪ {𝑘𝐴 ∣ ¬ 𝐵 = ∅})
193192, 83mpteq12i 5132 . . . . . . 7 (𝑘𝐴𝐵) = (𝑘 ∈ ({𝑘𝐴𝐵 = ∅} ∪ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) ↦ 𝐵)
194 mptun 6467 . . . . . . 7 (𝑘 ∈ ({𝑘𝐴𝐵 = ∅} ∪ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}) ↦ 𝐵) = ((𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∪ (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵))
195193, 194eqtri 2844 . . . . . 6 (𝑘𝐴𝐵) = ((𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∪ (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵))
196195rneqi 5780 . . . . 5 ran (𝑘𝐴𝐵) = ran ((𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∪ (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵))
197 rnun 5977 . . . . 5 ran ((𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∪ (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)) = (ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∪ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵))
198196, 197eqtri 2844 . . . 4 ran (𝑘𝐴𝐵) = (ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∪ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵))
199198a1i 11 . . 3 (𝜑 → ran (𝑘𝐴𝐵) = (ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∪ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵)))
200150, 199esumeq1d 31302 . 2 (𝜑 → Σ*𝑦 ∈ ran (𝑘𝐴𝐵)𝐶 = Σ*𝑦 ∈ (ran (𝑘 ∈ {𝑘𝐴𝐵 = ∅} ↦ 𝐵) ∪ ran (𝑘 ∈ {𝑘𝐴 ∣ ¬ 𝐵 = ∅} ↦ 𝐵))𝐶)
201192a1i 11 . . 3 (𝜑𝐴 = ({𝑘𝐴𝐵 = ∅} ∪ {𝑘𝐴 ∣ ¬ 𝐵 = ∅}))
20230, 201esumeq1d 31302 . 2 (𝜑 → Σ*𝑘𝐴𝐷 = Σ*𝑘 ∈ ({𝑘𝐴𝐵 = ∅} ∪ {𝑘𝐴 ∣ ¬ 𝐵 = ∅})𝐷)
203191, 200, 2023eqtr4d 2866 1 (𝜑 → Σ*𝑦 ∈ ran (𝑘𝐴𝐵)𝐶 = Σ*𝑘𝐴𝐷)
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 209  wa 399   = wceq 1538  wcel 2115  wne 3007  wral 3126  wrex 3127  {crab 3130  Vcvv 3471  cun 3908  cin 3909  wss 3910  c0 4266  {csn 4540  Disj wdisj 5004   class class class wbr 5039  cmpt 5119  ran crn 5529  (class class class)co 7130  0cc0 10514  +∞cpnf 10649  *cxr 10651  cle 10653   +𝑒 cxad 12483  [,]cicc 12719  Σ*cesum 31294
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1971  ax-7 2016  ax-8 2117  ax-9 2125  ax-10 2146  ax-11 2162  ax-12 2178  ax-ext 2793  ax-rep 5163  ax-sep 5176  ax-nul 5183  ax-pow 5239  ax-pr 5303  ax-un 7436  ax-inf2 9080  ax-cnex 10570  ax-resscn 10571  ax-1cn 10572  ax-icn 10573  ax-addcl 10574  ax-addrcl 10575  ax-mulcl 10576  ax-mulrcl 10577  ax-mulcom 10578  ax-addass 10579  ax-mulass 10580  ax-distr 10581  ax-i2m1 10582  ax-1ne0 10583  ax-1rid 10584  ax-rnegex 10585  ax-rrecex 10586  ax-cnre 10587  ax-pre-lttri 10588  ax-pre-lttrn 10589  ax-pre-ltadd 10590  ax-pre-mulgt0 10591  ax-pre-sup 10592  ax-addf 10593  ax-mulf 10594
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3or 1085  df-3an 1086  df-tru 1541  df-fal 1551  df-ex 1782  df-nf 1786  df-sb 2071  df-mo 2623  df-eu 2654  df-clab 2800  df-cleq 2814  df-clel 2892  df-nfc 2960  df-ne 3008  df-nel 3112  df-ral 3131  df-rex 3132  df-reu 3133  df-rmo 3134  df-rab 3135  df-v 3473  df-sbc 3750  df-csb 3858  df-dif 3913  df-un 3915  df-in 3917  df-ss 3927  df-pss 3929  df-nul 4267  df-if 4441  df-pw 4514  df-sn 4541  df-pr 4543  df-tp 4545  df-op 4547  df-uni 4812  df-int 4850  df-iun 4894  df-iin 4895  df-disj 5005  df-br 5040  df-opab 5102  df-mpt 5120  df-tr 5146  df-id 5433  df-eprel 5438  df-po 5447  df-so 5448  df-fr 5487  df-se 5488  df-we 5489  df-xp 5534  df-rel 5535  df-cnv 5536  df-co 5537  df-dm 5538  df-rn 5539  df-res 5540  df-ima 5541  df-pred 6121  df-ord 6167  df-on 6168  df-lim 6169  df-suc 6170  df-iota 6287  df-fun 6330  df-fn 6331  df-f 6332  df-f1 6333  df-fo 6334  df-f1o 6335  df-fv 6336  df-isom 6337  df-riota 7088  df-ov 7133  df-oprab 7134  df-mpo 7135  df-of 7384  df-om 7556  df-1st 7664  df-2nd 7665  df-supp 7806  df-wrecs 7922  df-recs 7983  df-rdg 8021  df-1o 8077  df-2o 8078  df-oadd 8081  df-er 8264  df-map 8383  df-pm 8384  df-ixp 8437  df-en 8485  df-dom 8486  df-sdom 8487  df-fin 8488  df-fsupp 8810  df-fi 8851  df-sup 8882  df-inf 8883  df-oi 8950  df-card 9344  df-pnf 10654  df-mnf 10655  df-xr 10656  df-ltxr 10657  df-le 10658  df-sub 10849  df-neg 10850  df-div 11275  df-nn 11616  df-2 11678  df-3 11679  df-4 11680  df-5 11681  df-6 11682  df-7 11683  df-8 11684  df-9 11685  df-n0 11876  df-z 11960  df-dec 12077  df-uz 12222  df-q 12327  df-rp 12368  df-xneg 12485  df-xadd 12486  df-xmul 12487  df-ioo 12720  df-ioc 12721  df-ico 12722  df-icc 12723  df-fz 12876  df-fzo 13017  df-fl 13145  df-mod 13221  df-seq 13353  df-exp 13414  df-fac 13618  df-bc 13647  df-hash 13675  df-shft 14405  df-cj 14437  df-re 14438  df-im 14439  df-sqrt 14573  df-abs 14574  df-limsup 14807  df-clim 14824  df-rlim 14825  df-sum 15022  df-ef 15400  df-sin 15402  df-cos 15403  df-pi 15405  df-struct 16464  df-ndx 16465  df-slot 16466  df-base 16468  df-sets 16469  df-ress 16470  df-plusg 16557  df-mulr 16558  df-starv 16559  df-sca 16560  df-vsca 16561  df-ip 16562  df-tset 16563  df-ple 16564  df-ds 16566  df-unif 16567  df-hom 16568  df-cco 16569  df-rest 16675  df-topn 16676  df-0g 16694  df-gsum 16695  df-topgen 16696  df-pt 16697  df-prds 16700  df-ordt 16753  df-xrs 16754  df-qtop 16759  df-imas 16760  df-xps 16762  df-mre 16836  df-mrc 16837  df-acs 16839  df-ps 17789  df-tsr 17790  df-plusf 17830  df-mgm 17831  df-sgrp 17880  df-mnd 17891  df-mhm 17935  df-submnd 17936  df-grp 18085  df-minusg 18086  df-sbg 18087  df-mulg 18204  df-subg 18255  df-cntz 18426  df-cmn 18887  df-abl 18888  df-mgp 19219  df-ur 19231  df-ring 19278  df-cring 19279  df-subrg 19509  df-abv 19564  df-lmod 19612  df-scaf 19613  df-sra 19920  df-rgmod 19921  df-psmet 20513  df-xmet 20514  df-met 20515  df-bl 20516  df-mopn 20517  df-fbas 20518  df-fg 20519  df-cnfld 20522  df-top 21478  df-topon 21495  df-topsp 21517  df-bases 21530  df-cld 21603  df-ntr 21604  df-cls 21605  df-nei 21682  df-lp 21720  df-perf 21721  df-cn 21811  df-cnp 21812  df-haus 21899  df-tx 22146  df-hmeo 22339  df-fil 22430  df-fm 22522  df-flim 22523  df-flf 22524  df-tmd 22656  df-tgp 22657  df-tsms 22711  df-trg 22744  df-xms 22906  df-ms 22907  df-tms 22908  df-nm 23168  df-ngp 23169  df-nrg 23171  df-nlm 23172  df-ii 23461  df-cncf 23462  df-limc 24448  df-dv 24449  df-log 25127  df-esum 31295
This theorem is referenced by:  carsggect  31584  carsgclctunlem2  31585  pmeasadd  31591
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