Metamath Proof Explorer


Theorem esumrnmpt2

Description: Rewrite an extended sum into a sum on the range of a mapping function. (Contributed by Thierry Arnoux, 30-May-2020)

Ref Expression
Hypotheses 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 esumrnmpt2 ( 𝜑 → Σ* 𝑦 ∈ ran ( 𝑘𝐴𝐵 ) 𝐶 = Σ* 𝑘𝐴 𝐷 )

Proof

Step Hyp Ref Expression
1 esumrnmpt2.1 ( 𝑦 = 𝐵𝐶 = 𝐷 )
2 esumrnmpt2.2 ( 𝜑𝐴𝑉 )
3 esumrnmpt2.3 ( ( 𝜑𝑘𝐴 ) → 𝐷 ∈ ( 0 [,] +∞ ) )
4 esumrnmpt2.4 ( ( 𝜑𝑘𝐴 ) → 𝐵𝑊 )
5 esumrnmpt2.5 ( ( ( 𝜑𝑘𝐴 ) ∧ 𝐵 = ∅ ) → 𝐷 = 0 )
6 esumrnmpt2.6 ( 𝜑Disj 𝑘𝐴 𝐵 )
7 nfrab1 𝑘 { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ }
8 ssrab2 { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ⊆ 𝐴
9 8 a1i ( 𝜑 → { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ⊆ 𝐴 )
10 2 9 ssexd ( 𝜑 → { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ∈ V )
11 9 sselda ( ( 𝜑𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) → 𝑘𝐴 )
12 11 3 syldan ( ( 𝜑𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) → 𝐷 ∈ ( 0 [,] +∞ ) )
13 11 4 syldan ( ( 𝜑𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) → 𝐵𝑊 )
14 rabid ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↔ ( 𝑘𝐴 ∧ ¬ 𝐵 = ∅ ) )
15 14 simprbi ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } → ¬ 𝐵 = ∅ )
16 15 adantl ( ( 𝜑𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) → ¬ 𝐵 = ∅ )
17 elsng ( 𝐵𝑊 → ( 𝐵 ∈ { ∅ } ↔ 𝐵 = ∅ ) )
18 13 17 syl ( ( 𝜑𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) → ( 𝐵 ∈ { ∅ } ↔ 𝐵 = ∅ ) )
19 16 18 mtbird ( ( 𝜑𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) → ¬ 𝐵 ∈ { ∅ } )
20 13 19 eldifd ( ( 𝜑𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) → 𝐵 ∈ ( 𝑊 ∖ { ∅ } ) )
21 nfcv 𝑘 𝐴
22 7 21 disjss1f ( { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ⊆ 𝐴 → ( Disj 𝑘𝐴 𝐵Disj 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐵 ) )
23 9 6 22 sylc ( 𝜑Disj 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐵 )
24 7 1 10 12 20 23 esumrnmpt ( 𝜑 → Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) 𝐶 = Σ* 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐷 )
25 nfv 𝑦 ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ )
26 snex { ∅ } ∈ V
27 26 a1i ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) → { ∅ } ∈ V )
28 velsn ( 𝑦 ∈ { ∅ } ↔ 𝑦 = ∅ )
29 28 bilani ( ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) ∧ 𝑦 ∈ { ∅ } ) → 𝑦 = ∅ )
30 nfv 𝑘 𝜑
31 nfre1 𝑘𝑘𝐴 𝐵 = ∅
32 30 31 nfan 𝑘 ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ )
33 nfv 𝑘 𝑦 = ∅
34 32 33 nfan 𝑘 ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) ∧ 𝑦 = ∅ )
35 nfv 𝑘 𝐶 = 0
36 simpllr ( ( ( ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) ∧ 𝑦 = ∅ ) ∧ 𝑘𝐴 ) ∧ 𝐵 = ∅ ) → 𝑦 = ∅ )
37 simpr ( ( ( ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) ∧ 𝑦 = ∅ ) ∧ 𝑘𝐴 ) ∧ 𝐵 = ∅ ) → 𝐵 = ∅ )
38 36 37 eqtr4d ( ( ( ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) ∧ 𝑦 = ∅ ) ∧ 𝑘𝐴 ) ∧ 𝐵 = ∅ ) → 𝑦 = 𝐵 )
39 38 1 syl ( ( ( ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) ∧ 𝑦 = ∅ ) ∧ 𝑘𝐴 ) ∧ 𝐵 = ∅ ) → 𝐶 = 𝐷 )
40 simp-4l ( ( ( ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) ∧ 𝑦 = ∅ ) ∧ 𝑘𝐴 ) ∧ 𝐵 = ∅ ) → 𝜑 )
41 simplr ( ( ( ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) ∧ 𝑦 = ∅ ) ∧ 𝑘𝐴 ) ∧ 𝐵 = ∅ ) → 𝑘𝐴 )
42 40 41 37 5 syl21anc ( ( ( ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) ∧ 𝑦 = ∅ ) ∧ 𝑘𝐴 ) ∧ 𝐵 = ∅ ) → 𝐷 = 0 )
43 39 42 eqtrd ( ( ( ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) ∧ 𝑦 = ∅ ) ∧ 𝑘𝐴 ) ∧ 𝐵 = ∅ ) → 𝐶 = 0 )
44 simplr ( ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) ∧ 𝑦 = ∅ ) → ∃ 𝑘𝐴 𝐵 = ∅ )
45 34 35 43 44 r19.29af2 ( ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) ∧ 𝑦 = ∅ ) → 𝐶 = 0 )
46 29 45 syldan ( ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) ∧ 𝑦 ∈ { ∅ } ) → 𝐶 = 0 )
47 0e0iccpnf 0 ∈ ( 0 [,] +∞ )
48 46 47 eqeltrdi ( ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) ∧ 𝑦 ∈ { ∅ } ) → 𝐶 ∈ ( 0 [,] +∞ ) )
49 nfcv 𝑘 𝑦
50 nfmpt1 𝑘 ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 )
51 50 nfrn 𝑘 ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 )
52 49 51 nfel 𝑘 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 )
53 30 52 nfan 𝑘 ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) )
54 simpr ( ( ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ) ∧ 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ) ∧ 𝑦 = 𝐵 ) → 𝑦 = 𝐵 )
55 rabid ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↔ ( 𝑘𝐴𝐵 = ∅ ) )
56 55 simprbi ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } → 𝐵 = ∅ )
57 56 ad2antlr ( ( ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ) ∧ 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ) ∧ 𝑦 = 𝐵 ) → 𝐵 = ∅ )
58 54 57 eqtrd ( ( ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ) ∧ 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ) ∧ 𝑦 = 𝐵 ) → 𝑦 = ∅ )
59 58 28 sylibr ( ( ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ) ∧ 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ) ∧ 𝑦 = 𝐵 ) → 𝑦 ∈ { ∅ } )
60 vex 𝑦 ∈ V
61 eqid ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) = ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 )
62 61 elrnmpt ( 𝑦 ∈ V → ( 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ↔ ∃ 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } 𝑦 = 𝐵 ) )
63 60 62 ax-mp ( 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ↔ ∃ 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } 𝑦 = 𝐵 )
64 63 bilani ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ) → ∃ 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } 𝑦 = 𝐵 )
65 53 59 64 r19.29af ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ) → 𝑦 ∈ { ∅ } )
66 65 ex ( 𝜑 → ( 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) → 𝑦 ∈ { ∅ } ) )
67 66 ssrdv ( 𝜑 → ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ⊆ { ∅ } )
68 67 adantr ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) → ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ⊆ { ∅ } )
69 25 27 48 68 esummono ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) → Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ≤ Σ* 𝑦 ∈ { ∅ } 𝐶 )
70 0ex ∅ ∈ V
71 70 a1i ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) → ∅ ∈ V )
72 47 a1i ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) → 0 ∈ ( 0 [,] +∞ ) )
73 45 71 72 esumsn ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) → Σ* 𝑦 ∈ { ∅ } 𝐶 = 0 )
74 69 73 breqtrd ( ( 𝜑 ∧ ∃ 𝑘𝐴 𝐵 = ∅ ) → Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ≤ 0 )
75 simpr ( ( 𝜑 ∧ ¬ ∃ 𝑘𝐴 𝐵 = ∅ ) → ¬ ∃ 𝑘𝐴 𝐵 = ∅ )
76 nfv 𝑦 ¬ ∃ 𝑘𝐴 𝐵 = ∅
77 31 nfn 𝑘 ¬ ∃ 𝑘𝐴 𝐵 = ∅
78 rabn0 ( { 𝑘𝐴𝐵 = ∅ } ≠ ∅ ↔ ∃ 𝑘𝐴 𝐵 = ∅ )
79 78 biimpi ( { 𝑘𝐴𝐵 = ∅ } ≠ ∅ → ∃ 𝑘𝐴 𝐵 = ∅ )
80 79 necon1bi ( ¬ ∃ 𝑘𝐴 𝐵 = ∅ → { 𝑘𝐴𝐵 = ∅ } = ∅ )
81 eqid 𝐵 = 𝐵
82 81 a1i ( ¬ ∃ 𝑘𝐴 𝐵 = ∅ → 𝐵 = 𝐵 )
83 77 80 82 mpteq12df ( ¬ ∃ 𝑘𝐴 𝐵 = ∅ → ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) = ( 𝑘 ∈ ∅ ↦ 𝐵 ) )
84 mpt0 ( 𝑘 ∈ ∅ ↦ 𝐵 ) = ∅
85 83 84 eqtrdi ( ¬ ∃ 𝑘𝐴 𝐵 = ∅ → ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) = ∅ )
86 85 rneqd ( ¬ ∃ 𝑘𝐴 𝐵 = ∅ → ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) = ran ∅ )
87 rn0 ran ∅ = ∅
88 86 87 eqtrdi ( ¬ ∃ 𝑘𝐴 𝐵 = ∅ → ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) = ∅ )
89 76 88 esumeq1d ( ¬ ∃ 𝑘𝐴 𝐵 = ∅ → Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 = Σ* 𝑦 ∈ ∅ 𝐶 )
90 esumnul Σ* 𝑦 ∈ ∅ 𝐶 = 0
91 89 90 eqtrdi ( ¬ ∃ 𝑘𝐴 𝐵 = ∅ → Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 = 0 )
92 0le0 0 ≤ 0
93 91 92 eqbrtrdi ( ¬ ∃ 𝑘𝐴 𝐵 = ∅ → Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ≤ 0 )
94 75 93 syl ( ( 𝜑 ∧ ¬ ∃ 𝑘𝐴 𝐵 = ∅ ) → Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ≤ 0 )
95 74 94 pm2.61dan ( 𝜑 → Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ≤ 0 )
96 ssrab2 { 𝑘𝐴𝐵 = ∅ } ⊆ 𝐴
97 96 a1i ( 𝜑 → { 𝑘𝐴𝐵 = ∅ } ⊆ 𝐴 )
98 2 97 ssexd ( 𝜑 → { 𝑘𝐴𝐵 = ∅ } ∈ V )
99 nfrab1 𝑘 { 𝑘𝐴𝐵 = ∅ }
100 99 mptexgf ( { 𝑘𝐴𝐵 = ∅ } ∈ V → ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∈ V )
101 rnexg ( ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∈ V → ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∈ V )
102 98 100 101 3syl ( 𝜑 → ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∈ V )
103 1 adantl ( ( ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ) ∧ 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ) ∧ 𝑦 = 𝐵 ) → 𝐶 = 𝐷 )
104 simplll ( ( ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ) ∧ 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ) ∧ 𝑦 = 𝐵 ) → 𝜑 )
105 97 sselda ( ( 𝜑𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ) → 𝑘𝐴 )
106 105 adantlr ( ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ) ∧ 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ) → 𝑘𝐴 )
107 106 adantr ( ( ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ) ∧ 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ) ∧ 𝑦 = 𝐵 ) → 𝑘𝐴 )
108 104 107 3 syl2anc ( ( ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ) ∧ 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ) ∧ 𝑦 = 𝐵 ) → 𝐷 ∈ ( 0 [,] +∞ ) )
109 103 108 eqeltrd ( ( ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ) ∧ 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ) ∧ 𝑦 = 𝐵 ) → 𝐶 ∈ ( 0 [,] +∞ ) )
110 53 109 64 r19.29af ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ) → 𝐶 ∈ ( 0 [,] +∞ ) )
111 110 ralrimiva ( 𝜑 → ∀ 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ∈ ( 0 [,] +∞ ) )
112 nfcv 𝑦 ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 )
113 112 esumcl ( ( ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∈ V ∧ ∀ 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ∈ ( 0 [,] +∞ ) ) → Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ∈ ( 0 [,] +∞ ) )
114 102 111 113 syl2anc ( 𝜑 → Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ∈ ( 0 [,] +∞ ) )
115 elxrge0 ( Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ∈ ( 0 [,] +∞ ) ↔ ( Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ∈ ℝ* ∧ 0 ≤ Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ) )
116 115 simprbi ( Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ∈ ( 0 [,] +∞ ) → 0 ≤ Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 )
117 114 116 syl ( 𝜑 → 0 ≤ Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 )
118 95 117 jca ( 𝜑 → ( Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ≤ 0 ∧ 0 ≤ Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ) )
119 iccssxr ( 0 [,] +∞ ) ⊆ ℝ*
120 119 114 sselid ( 𝜑 → Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ∈ ℝ* )
121 119 47 sselii 0 ∈ ℝ*
122 121 a1i ( 𝜑 → 0 ∈ ℝ* )
123 xrletri3 ( ( 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 ) ) )
124 120 122 123 syl2anc ( 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 ) ) )
125 118 124 mpbird ( 𝜑 → Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) 𝐶 = 0 )
126 125 oveq1d ( 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 ) )
127 12 ralrimiva ( 𝜑 → ∀ 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐷 ∈ ( 0 [,] +∞ ) )
128 7 esumcl ( ( { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ∈ V ∧ ∀ 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐷 ∈ ( 0 [,] +∞ ) ) → Σ* 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐷 ∈ ( 0 [,] +∞ ) )
129 10 127 128 syl2anc ( 𝜑 → Σ* 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐷 ∈ ( 0 [,] +∞ ) )
130 119 129 sselid ( 𝜑 → Σ* 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐷 ∈ ℝ* )
131 24 130 eqeltrd ( 𝜑 → Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ∈ ℝ* )
132 xaddlid ( Σ* 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 )
133 131 132 syl ( 𝜑 → ( 0 +𝑒 Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) 𝐶 ) = Σ* 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) 𝐶 )
134 126 133 eqtrd ( 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 )
135 simpl ( ( 𝜑𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ) → 𝜑 )
136 56 adantl ( ( 𝜑𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ) → 𝐵 = ∅ )
137 135 105 136 5 syl21anc ( ( 𝜑𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ) → 𝐷 = 0 )
138 137 ralrimiva ( 𝜑 → ∀ 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } 𝐷 = 0 )
139 30 138 esumeq2d ( 𝜑 → Σ* 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } 𝐷 = Σ* 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } 0 )
140 99 esum0 ( { 𝑘𝐴𝐵 = ∅ } ∈ V → Σ* 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } 0 = 0 )
141 98 140 syl ( 𝜑 → Σ* 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } 0 = 0 )
142 139 141 eqtrd ( 𝜑 → Σ* 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } 𝐷 = 0 )
143 142 oveq1d ( 𝜑 → ( Σ* 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } 𝐷 +𝑒 Σ* 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐷 ) = ( 0 +𝑒 Σ* 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐷 ) )
144 xaddlid ( Σ* 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐷 ∈ ℝ* → ( 0 +𝑒 Σ* 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐷 ) = Σ* 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐷 )
145 130 144 syl ( 𝜑 → ( 0 +𝑒 Σ* 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐷 ) = Σ* 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐷 )
146 143 145 eqtrd ( 𝜑 → ( Σ* 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } 𝐷 +𝑒 Σ* 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐷 ) = Σ* 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐷 )
147 24 134 146 3eqtr4d ( 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 ) )
148 nfv 𝑦 𝜑
149 nfcv 𝑦 ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 )
150 7 mptexgf ( { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ∈ V → ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ∈ V )
151 rnexg ( ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ∈ V → ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ∈ V )
152 10 150 151 3syl ( 𝜑 → ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ∈ V )
153 67 ssrind ( 𝜑 → ( ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∩ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) ⊆ ( { ∅ } ∩ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) )
154 incom ( ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ∩ { ∅ } ) = ( { ∅ } ∩ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) )
155 15 neqned ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } → 𝐵 ≠ ∅ )
156 155 necomd ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } → ∅ ≠ 𝐵 )
157 156 neneqd ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } → ¬ ∅ = 𝐵 )
158 157 nrex ¬ ∃ 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ∅ = 𝐵
159 eqid ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) = ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 )
160 159 elrnmpt ( ∅ ∈ V → ( ∅ ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ↔ ∃ 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ∅ = 𝐵 ) )
161 70 160 ax-mp ( ∅ ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ↔ ∃ 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ∅ = 𝐵 )
162 158 161 mtbir ¬ ∅ ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 )
163 disjsn ( ( ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ∩ { ∅ } ) = ∅ ↔ ¬ ∅ ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) )
164 162 163 mpbir ( ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ∩ { ∅ } ) = ∅
165 154 164 eqtr3i ( { ∅ } ∩ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) = ∅
166 153 165 sseqtrdi ( 𝜑 → ( ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∩ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) ⊆ ∅ )
167 ss0 ( ( ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∩ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) ⊆ ∅ → ( ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∩ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) = ∅ )
168 166 167 syl ( 𝜑 → ( ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∩ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) = ∅ )
169 nfmpt1 𝑘 ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 )
170 169 nfrn 𝑘 ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 )
171 49 170 nfel 𝑘 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 )
172 30 171 nfan 𝑘 ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) )
173 1 adantl ( ( ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) ∧ 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) ∧ 𝑦 = 𝐵 ) → 𝐶 = 𝐷 )
174 simplll ( ( ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) ∧ 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) ∧ 𝑦 = 𝐵 ) → 𝜑 )
175 11 adantlr ( ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) ∧ 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) → 𝑘𝐴 )
176 175 adantr ( ( ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) ∧ 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) ∧ 𝑦 = 𝐵 ) → 𝑘𝐴 )
177 174 176 3 syl2anc ( ( ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) ∧ 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) ∧ 𝑦 = 𝐵 ) → 𝐷 ∈ ( 0 [,] +∞ ) )
178 173 177 eqeltrd ( ( ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) ∧ 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) ∧ 𝑦 = 𝐵 ) → 𝐶 ∈ ( 0 [,] +∞ ) )
179 159 elrnmpt ( 𝑦 ∈ V → ( 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ↔ ∃ 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝑦 = 𝐵 ) )
180 60 179 ax-mp ( 𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ↔ ∃ 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝑦 = 𝐵 )
181 180 bilani ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) → ∃ 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝑦 = 𝐵 )
182 172 178 181 r19.29af ( ( 𝜑𝑦 ∈ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) → 𝐶 ∈ ( 0 [,] +∞ ) )
183 148 112 149 102 152 168 110 182 esumsplit ( 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 ) )
184 rabnc ( { 𝑘𝐴𝐵 = ∅ } ∩ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) = ∅
185 184 a1i ( 𝜑 → ( { 𝑘𝐴𝐵 = ∅ } ∩ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) = ∅ )
186 105 3 syldan ( ( 𝜑𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ) → 𝐷 ∈ ( 0 [,] +∞ ) )
187 30 99 7 98 10 185 186 12 esumsplit ( 𝜑 → Σ* 𝑘 ∈ ( { 𝑘𝐴𝐵 = ∅ } ∪ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) 𝐷 = ( Σ* 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } 𝐷 +𝑒 Σ* 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } 𝐷 ) )
188 147 183 187 3eqtr4d ( 𝜑 → Σ* 𝑦 ∈ ( ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∪ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) 𝐶 = Σ* 𝑘 ∈ ( { 𝑘𝐴𝐵 = ∅ } ∪ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) 𝐷 )
189 rabxm 𝐴 = ( { 𝑘𝐴𝐵 = ∅ } ∪ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } )
190 189 81 mpteq12i ( 𝑘𝐴𝐵 ) = ( 𝑘 ∈ ( { 𝑘𝐴𝐵 = ∅ } ∪ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) ↦ 𝐵 )
191 mptun ( 𝑘 ∈ ( { 𝑘𝐴𝐵 = ∅ } ∪ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) ↦ 𝐵 ) = ( ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∪ ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) )
192 190 191 eqtri ( 𝑘𝐴𝐵 ) = ( ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∪ ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) )
193 192 rneqi ran ( 𝑘𝐴𝐵 ) = ran ( ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∪ ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) )
194 rnun ran ( ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∪ ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) = ( ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∪ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) )
195 193 194 eqtri ran ( 𝑘𝐴𝐵 ) = ( ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∪ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) )
196 195 a1i ( 𝜑 → ran ( 𝑘𝐴𝐵 ) = ( ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∪ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) )
197 148 196 esumeq1d ( 𝜑 → Σ* 𝑦 ∈ ran ( 𝑘𝐴𝐵 ) 𝐶 = Σ* 𝑦 ∈ ( ran ( 𝑘 ∈ { 𝑘𝐴𝐵 = ∅ } ↦ 𝐵 ) ∪ ran ( 𝑘 ∈ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ↦ 𝐵 ) ) 𝐶 )
198 189 a1i ( 𝜑𝐴 = ( { 𝑘𝐴𝐵 = ∅ } ∪ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) )
199 30 198 esumeq1d ( 𝜑 → Σ* 𝑘𝐴 𝐷 = Σ* 𝑘 ∈ ( { 𝑘𝐴𝐵 = ∅ } ∪ { 𝑘𝐴 ∣ ¬ 𝐵 = ∅ } ) 𝐷 )
200 188 197 199 3eqtr4d ( 𝜑 → Σ* 𝑦 ∈ ran ( 𝑘𝐴𝐵 ) 𝐶 = Σ* 𝑘𝐴 𝐷 )