esumcst - Mathbox for Thierry Arnoux

	Mathbox for Thierry Arnoux		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > Mathboxes > esumcst		Structured version Visualization version GIF version

Theorem esumcst 33049

Description: The extended sum of a constant. (Contributed by Thierry Arnoux, 3-Mar-2017.) (Revised by Thierry Arnoux, 5-Jul-2017.)

**Hypotheses**
Ref	Expression
esumcst.1	⊢ Ⅎ𝑘𝐴
esumcst.2	⊢ Ⅎ𝑘𝐵

**Assertion**
Ref	Expression
esumcst	⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → Σ^*𝑘 ∈ 𝐴𝐵 = ((♯‘𝐴) ·_e 𝐵))

Distinct variable group: 𝑘,𝑉 Allowed substitution hints: 𝐴(𝑘) 𝐵(𝑘)

Proof of Theorem esumcst Dummy variables 𝑎 𝑙 𝑛 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		esumcst.1	. . . . 5 ⊢ Ⅎ𝑘𝐴
2	1	nfel1 2919	. . . 4 ⊢ Ⅎ𝑘 𝐴 ∈ 𝑉
3		esumcst.2	. . . . 5 ⊢ Ⅎ𝑘𝐵
4	3	nfel1 2919	. . . 4 ⊢ Ⅎ𝑘 𝐵 ∈ (0[,]+∞)
5	2, 4	nfan 1902	. . 3 ⊢ Ⅎ𝑘(𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞))
6		simpl 483	. . 3 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → 𝐴 ∈ 𝑉)
7		simplr 767	. . 3 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ (0[,]+∞))
8		xrge0tmd 32913	. . . . . . 7 ⊢ (ℝ^*_𝑠 ↾_s (0[,]+∞)) ∈ TopMnd
9		tmdmnd 23570	. . . . . . 7 ⊢ ((ℝ^_𝑠 ↾_s (0[,]+∞)) ∈ TopMnd → (ℝ^_𝑠 ↾_s (0[,]+∞)) ∈ Mnd)
10	8, 9	ax-mp 5	. . . . . 6 ⊢ (ℝ^*_𝑠 ↾_s (0[,]+∞)) ∈ Mnd
11	10	a1i 11	. . . . 5 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → (ℝ^*_𝑠 ↾_s (0[,]+∞)) ∈ Mnd)
12		inss2 4228	. . . . . 6 ⊢ (𝒫 𝐴 ∩ Fin) ⊆ Fin
13		simpr 485	. . . . . 6 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → 𝑥 ∈ (𝒫 𝐴 ∩ Fin))
14	12, 13	sselid 3979	. . . . 5 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → 𝑥 ∈ Fin)
15		simplr 767	. . . . 5 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → 𝐵 ∈ (0[,]+∞))
16		xrge0base 32173	. . . . . 6 ⊢ (0[,]+∞) = (Base‘(ℝ^*_𝑠 ↾_s (0[,]+∞)))
17		eqid 2732	. . . . . 6 ⊢ (._g‘(ℝ^_𝑠 ↾_s (0[,]+∞))) = (._g‘(ℝ^_𝑠 ↾_s (0[,]+∞)))
18	3, 16, 17	gsumconstf 19797	. . . . 5 ⊢ (((ℝ^_𝑠 ↾_s (0[,]+∞)) ∈ Mnd ∧ 𝑥 ∈ Fin ∧ 𝐵 ∈ (0[,]+∞)) → ((ℝ^_𝑠 ↾_s (0[,]+∞)) Σ_g (𝑘 ∈ 𝑥 ↦ 𝐵)) = ((♯‘𝑥)(._g‘(ℝ^*_𝑠 ↾_s (0[,]+∞)))𝐵))
19	11, 14, 15, 18	syl3anc 1371	. . . 4 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → ((ℝ^_𝑠 ↾_s (0[,]+∞)) Σ_g (𝑘 ∈ 𝑥 ↦ 𝐵)) = ((♯‘𝑥)(._g‘(ℝ^_𝑠 ↾_s (0[,]+∞)))𝐵))
20		hashcl 14312	. . . . . 6 ⊢ (𝑥 ∈ Fin → (♯‘𝑥) ∈ ℕ₀)
21	14, 20	syl 17	. . . . 5 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → (♯‘𝑥) ∈ ℕ₀)
22		xrge0mulgnn0 32177	. . . . 5 ⊢ (((♯‘𝑥) ∈ ℕ₀ ∧ 𝐵 ∈ (0[,]+∞)) → ((♯‘𝑥)(._g‘(ℝ^*_𝑠 ↾_s (0[,]+∞)))𝐵) = ((♯‘𝑥) ·_e 𝐵))
23	21, 15, 22	syl2anc 584	. . . 4 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → ((♯‘𝑥)(._g‘(ℝ^*_𝑠 ↾_s (0[,]+∞)))𝐵) = ((♯‘𝑥) ·_e 𝐵))
24	19, 23	eqtrd 2772	. . 3 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → ((ℝ^*_𝑠 ↾_s (0[,]+∞)) Σ_g (𝑘 ∈ 𝑥 ↦ 𝐵)) = ((♯‘𝑥) ·_e 𝐵))
25	5, 1, 6, 7, 24	esumval 33032	. 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → Σ^𝑘 ∈ 𝐴𝐵 = sup(ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)), ℝ^, < ))
26		nn0ssre 12472	. . . . . . . . . 10 ⊢ ℕ₀ ⊆ ℝ
27		ressxr 11254	. . . . . . . . . 10 ⊢ ℝ ⊆ ℝ^*
28	26, 27	sstri 3990	. . . . . . . . 9 ⊢ ℕ₀ ⊆ ℝ^*
29		pnfxr 11264	. . . . . . . . . 10 ⊢ +∞ ∈ ℝ^*
30		snssi 4810	. . . . . . . . . 10 ⊢ (+∞ ∈ ℝ^* → {+∞} ⊆ ℝ^*)
31	29, 30	ax-mp 5	. . . . . . . . 9 ⊢ {+∞} ⊆ ℝ^*
32	28, 31	unssi 4184	. . . . . . . 8 ⊢ (ℕ₀ ∪ {+∞}) ⊆ ℝ^*
33		hashf 14294	. . . . . . . . 9 ⊢ ♯:V⟶(ℕ₀ ∪ {+∞})
34		vex 3478	. . . . . . . . 9 ⊢ 𝑥 ∈ V
35		ffvelcdm 7080	. . . . . . . . 9 ⊢ ((♯:V⟶(ℕ₀ ∪ {+∞}) ∧ 𝑥 ∈ V) → (♯‘𝑥) ∈ (ℕ₀ ∪ {+∞}))
36	33, 34, 35	mp2an 690	. . . . . . . 8 ⊢ (♯‘𝑥) ∈ (ℕ₀ ∪ {+∞})
37	32, 36	sselii 3978	. . . . . . 7 ⊢ (♯‘𝑥) ∈ ℝ^*
38	37	a1i 11	. . . . . 6 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → (♯‘𝑥) ∈ ℝ^*)
39		iccssxr 13403	. . . . . . . 8 ⊢ (0[,]+∞) ⊆ ℝ^*
40		simpr 485	. . . . . . . 8 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → 𝐵 ∈ (0[,]+∞))
41	39, 40	sselid 3979	. . . . . . 7 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → 𝐵 ∈ ℝ^*)
42	41	adantr 481	. . . . . 6 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → 𝐵 ∈ ℝ^*)
43	38, 42	xmulcld 13277	. . . . 5 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → ((♯‘𝑥) ·_e 𝐵) ∈ ℝ^*)
44	43	fmpttd 7111	. . . 4 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)):(𝒫 𝐴 ∩ Fin)⟶ℝ^*)
45	44	frnd 6722	. . 3 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)) ⊆ ℝ^*)
46		hashxrcl 14313	. . . . 5 ⊢ (𝐴 ∈ 𝑉 → (♯‘𝐴) ∈ ℝ^*)
47	46	adantr 481	. . . 4 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → (♯‘𝐴) ∈ ℝ^*)
48	47, 41	xmulcld 13277	. . 3 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → ((♯‘𝐴) ·_e 𝐵) ∈ ℝ^*)
49		vex 3478	. . . . . . . 8 ⊢ 𝑦 ∈ V
50		eqid 2732	. . . . . . . . 9 ⊢ (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)) = (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))
51	50	elrnmpt 5953	. . . . . . . 8 ⊢ (𝑦 ∈ V → (𝑦 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)) ↔ ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)𝑦 = ((♯‘𝑥) ·_e 𝐵)))
52	49, 51	ax-mp 5	. . . . . . 7 ⊢ (𝑦 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)) ↔ ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)𝑦 = ((♯‘𝑥) ·_e 𝐵))
53	52	biimpi 215	. . . . . 6 ⊢ (𝑦 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)) → ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)𝑦 = ((♯‘𝑥) ·_e 𝐵))
54	47	adantr 481	. . . . . . . 8 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → (♯‘𝐴) ∈ ℝ^*)
55		0xr 11257	. . . . . . . . . . 11 ⊢ 0 ∈ ℝ^*
56	55	a1i 11	. . . . . . . . . 10 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → 0 ∈ ℝ^*)
57	29	a1i 11	. . . . . . . . . 10 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → +∞ ∈ ℝ^*)
58		iccgelb 13376	. . . . . . . . . 10 ⊢ ((0 ∈ ℝ^* ∧ +∞ ∈ ℝ^* ∧ 𝐵 ∈ (0[,]+∞)) → 0 ≤ 𝐵)
59	56, 57, 15, 58	syl3anc 1371	. . . . . . . . 9 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → 0 ≤ 𝐵)
60	42, 59	jca 512	. . . . . . . 8 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → (𝐵 ∈ ℝ^* ∧ 0 ≤ 𝐵))
61	6	adantr 481	. . . . . . . . . 10 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → 𝐴 ∈ 𝑉)
62		inss1 4227	. . . . . . . . . . . 12 ⊢ (𝒫 𝐴 ∩ Fin) ⊆ 𝒫 𝐴
63	62	sseli 3977	. . . . . . . . . . 11 ⊢ (𝑥 ∈ (𝒫 𝐴 ∩ Fin) → 𝑥 ∈ 𝒫 𝐴)
64		elpwi 4608	. . . . . . . . . . 11 ⊢ (𝑥 ∈ 𝒫 𝐴 → 𝑥 ⊆ 𝐴)
65	13, 63, 64	3syl 18	. . . . . . . . . 10 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → 𝑥 ⊆ 𝐴)
66		ssdomg 8992	. . . . . . . . . 10 ⊢ (𝐴 ∈ 𝑉 → (𝑥 ⊆ 𝐴 → 𝑥 ≼ 𝐴))
67	61, 65, 66	sylc 65	. . . . . . . . 9 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → 𝑥 ≼ 𝐴)
68		hashdomi 14336	. . . . . . . . 9 ⊢ (𝑥 ≼ 𝐴 → (♯‘𝑥) ≤ (♯‘𝐴))
69	67, 68	syl 17	. . . . . . . 8 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → (♯‘𝑥) ≤ (♯‘𝐴))
70		xlemul1a 13263	. . . . . . . 8 ⊢ ((((♯‘𝑥) ∈ ℝ^* ∧ (♯‘𝐴) ∈ ℝ^* ∧ (𝐵 ∈ ℝ^* ∧ 0 ≤ 𝐵)) ∧ (♯‘𝑥) ≤ (♯‘𝐴)) → ((♯‘𝑥) ·_e 𝐵) ≤ ((♯‘𝐴) ·_e 𝐵))
71	38, 54, 60, 69, 70	syl31anc 1373	. . . . . . 7 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑥 ∈ (𝒫 𝐴 ∩ Fin)) → ((♯‘𝑥) ·_e 𝐵) ≤ ((♯‘𝐴) ·_e 𝐵))
72	71	ralrimiva 3146	. . . . . 6 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → ∀𝑥 ∈ (𝒫 𝐴 ∩ Fin)((♯‘𝑥) ·_e 𝐵) ≤ ((♯‘𝐴) ·_e 𝐵))
73		r19.29r 3116	. . . . . 6 ⊢ ((∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)𝑦 = ((♯‘𝑥) ·_e 𝐵) ∧ ∀𝑥 ∈ (𝒫 𝐴 ∩ Fin)((♯‘𝑥) ·_e 𝐵) ≤ ((♯‘𝐴) ·_e 𝐵)) → ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 = ((♯‘𝑥) ·_e 𝐵) ∧ ((♯‘𝑥) ·_e 𝐵) ≤ ((♯‘𝐴) ·_e 𝐵)))
74	53, 72, 73	syl2anr 597	. . . . 5 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))) → ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 = ((♯‘𝑥) ·_e 𝐵) ∧ ((♯‘𝑥) ·_e 𝐵) ≤ ((♯‘𝐴) ·_e 𝐵)))
75		simpl 483	. . . . . . 7 ⊢ ((𝑦 = ((♯‘𝑥) ·_e 𝐵) ∧ ((♯‘𝑥) ·_e 𝐵) ≤ ((♯‘𝐴) ·_e 𝐵)) → 𝑦 = ((♯‘𝑥) ·_e 𝐵))
76		simpr 485	. . . . . . 7 ⊢ ((𝑦 = ((♯‘𝑥) ·_e 𝐵) ∧ ((♯‘𝑥) ·_e 𝐵) ≤ ((♯‘𝐴) ·_e 𝐵)) → ((♯‘𝑥) ·_e 𝐵) ≤ ((♯‘𝐴) ·_e 𝐵))
77	75, 76	eqbrtrd 5169	. . . . . 6 ⊢ ((𝑦 = ((♯‘𝑥) ·_e 𝐵) ∧ ((♯‘𝑥) ·_e 𝐵) ≤ ((♯‘𝐴) ·_e 𝐵)) → 𝑦 ≤ ((♯‘𝐴) ·_e 𝐵))
78	77	rexlimivw 3151	. . . . 5 ⊢ (∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 = ((♯‘𝑥) ·_e 𝐵) ∧ ((♯‘𝑥) ·_e 𝐵) ≤ ((♯‘𝐴) ·_e 𝐵)) → 𝑦 ≤ ((♯‘𝐴) ·_e 𝐵))
79	74, 78	syl 17	. . . 4 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))) → 𝑦 ≤ ((♯‘𝐴) ·_e 𝐵))
80	79	ralrimiva 3146	. . 3 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → ∀𝑦 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 ≤ ((♯‘𝐴) ·_e 𝐵))
81		pwidg 4621	. . . . . . . . . . 11 ⊢ (𝐴 ∈ Fin → 𝐴 ∈ 𝒫 𝐴)
82	81	ancri 550	. . . . . . . . . 10 ⊢ (𝐴 ∈ Fin → (𝐴 ∈ 𝒫 𝐴 ∧ 𝐴 ∈ Fin))
83		elin 3963	. . . . . . . . . 10 ⊢ (𝐴 ∈ (𝒫 𝐴 ∩ Fin) ↔ (𝐴 ∈ 𝒫 𝐴 ∧ 𝐴 ∈ Fin))
84	82, 83	sylibr 233	. . . . . . . . 9 ⊢ (𝐴 ∈ Fin → 𝐴 ∈ (𝒫 𝐴 ∩ Fin))
85		eqid 2732	. . . . . . . . . . 11 ⊢ ((♯‘𝐴) ·_e 𝐵) = ((♯‘𝐴) ·_e 𝐵)
86		fveq2 6888	. . . . . . . . . . . . 13 ⊢ (𝑥 = 𝐴 → (♯‘𝑥) = (♯‘𝐴))
87	86	oveq1d 7420	. . . . . . . . . . . 12 ⊢ (𝑥 = 𝐴 → ((♯‘𝑥) ·_e 𝐵) = ((♯‘𝐴) ·_e 𝐵))
88	87	rspceeqv 3632	. . . . . . . . . . 11 ⊢ ((𝐴 ∈ (𝒫 𝐴 ∩ Fin) ∧ ((♯‘𝐴) ·_e 𝐵) = ((♯‘𝐴) ·_e 𝐵)) → ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)((♯‘𝐴) ·_e 𝐵) = ((♯‘𝑥) ·_e 𝐵))
89	85, 88	mpan2 689	. . . . . . . . . 10 ⊢ (𝐴 ∈ (𝒫 𝐴 ∩ Fin) → ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)((♯‘𝐴) ·_e 𝐵) = ((♯‘𝑥) ·_e 𝐵))
90		ovex 7438	. . . . . . . . . . 11 ⊢ ((♯‘𝐴) ·_e 𝐵) ∈ V
91	50	elrnmpt 5953	. . . . . . . . . . 11 ⊢ (((♯‘𝐴) ·_e 𝐵) ∈ V → (((♯‘𝐴) ·_e 𝐵) ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)) ↔ ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)((♯‘𝐴) ·_e 𝐵) = ((♯‘𝑥) ·_e 𝐵)))
92	90, 91	ax-mp 5	. . . . . . . . . 10 ⊢ (((♯‘𝐴) ·_e 𝐵) ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)) ↔ ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)((♯‘𝐴) ·_e 𝐵) = ((♯‘𝑥) ·_e 𝐵))
93	89, 92	sylibr 233	. . . . . . . . 9 ⊢ (𝐴 ∈ (𝒫 𝐴 ∩ Fin) → ((♯‘𝐴) ·_e 𝐵) ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)))
94	84, 93	syl 17	. . . . . . . 8 ⊢ (𝐴 ∈ Fin → ((♯‘𝐴) ·_e 𝐵) ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)))
95	94	adantl 482	. . . . . . 7 ⊢ (((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ 𝐴 ∈ Fin) → ((♯‘𝐴) ·_e 𝐵) ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)))
96		simplr 767	. . . . . . 7 ⊢ (((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ 𝐴 ∈ Fin) → 𝑦 < ((♯‘𝐴) ·_e 𝐵))
97		breq2 5151	. . . . . . . 8 ⊢ (𝑧 = ((♯‘𝐴) ·_e 𝐵) → (𝑦 < 𝑧 ↔ 𝑦 < ((♯‘𝐴) ·_e 𝐵)))
98	97	rspcev 3612	. . . . . . 7 ⊢ ((((♯‘𝐴) ·_e 𝐵) ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) → ∃𝑧 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 < 𝑧)
99	95, 96, 98	syl2anc 584	. . . . . 6 ⊢ (((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ 𝐴 ∈ Fin) → ∃𝑧 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 < 𝑧)
100		0elpw 5353	. . . . . . . . . . . 12 ⊢ ∅ ∈ 𝒫 𝐴
101		0fin 9167	. . . . . . . . . . . 12 ⊢ ∅ ∈ Fin
102		elin 3963	. . . . . . . . . . . 12 ⊢ (∅ ∈ (𝒫 𝐴 ∩ Fin) ↔ (∅ ∈ 𝒫 𝐴 ∧ ∅ ∈ Fin))
103	100, 101, 102	mpbir2an 709	. . . . . . . . . . 11 ⊢ ∅ ∈ (𝒫 𝐴 ∩ Fin)
104	103	a1i 11	. . . . . . . . . 10 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = 0) → ∅ ∈ (𝒫 𝐴 ∩ Fin))
105		simpr 485	. . . . . . . . . . . 12 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = 0) → 𝐵 = 0)
106	105	oveq2d 7421	. . . . . . . . . . 11 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = 0) → ((♯‘∅) ·_e 𝐵) = ((♯‘∅) ·_e 0))
107		hash0 14323	. . . . . . . . . . . . 13 ⊢ (♯‘∅) = 0
108	107, 55	eqeltri 2829	. . . . . . . . . . . 12 ⊢ (♯‘∅) ∈ ℝ^*
109		xmul01 13242	. . . . . . . . . . . 12 ⊢ ((♯‘∅) ∈ ℝ^* → ((♯‘∅) ·_e 0) = 0)
110	108, 109	ax-mp 5	. . . . . . . . . . 11 ⊢ ((♯‘∅) ·_e 0) = 0
111	106, 110	eqtr2di 2789	. . . . . . . . . 10 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = 0) → 0 = ((♯‘∅) ·_e 𝐵))
112		fveq2 6888	. . . . . . . . . . . 12 ⊢ (𝑥 = ∅ → (♯‘𝑥) = (♯‘∅))
113	112	oveq1d 7420	. . . . . . . . . . 11 ⊢ (𝑥 = ∅ → ((♯‘𝑥) ·_e 𝐵) = ((♯‘∅) ·_e 𝐵))
114	113	rspceeqv 3632	. . . . . . . . . 10 ⊢ ((∅ ∈ (𝒫 𝐴 ∩ Fin) ∧ 0 = ((♯‘∅) ·_e 𝐵)) → ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)0 = ((♯‘𝑥) ·_e 𝐵))
115	104, 111, 114	syl2anc 584	. . . . . . . . 9 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = 0) → ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)0 = ((♯‘𝑥) ·_e 𝐵))
116		ovex 7438	. . . . . . . . . 10 ⊢ ((♯‘𝑥) ·_e 𝐵) ∈ V
117	50, 116	elrnmpti 5957	. . . . . . . . 9 ⊢ (0 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)) ↔ ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)0 = ((♯‘𝑥) ·_e 𝐵))
118	115, 117	sylibr 233	. . . . . . . 8 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = 0) → 0 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)))
119		simpllr 774	. . . . . . . . 9 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = 0) → 𝑦 < ((♯‘𝐴) ·_e 𝐵))
120	105	oveq2d 7421	. . . . . . . . . 10 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = 0) → ((♯‘𝐴) ·_e 𝐵) = ((♯‘𝐴) ·_e 0))
121	47	ad4antr 730	. . . . . . . . . . 11 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = 0) → (♯‘𝐴) ∈ ℝ^*)
122		xmul01 13242	. . . . . . . . . . 11 ⊢ ((♯‘𝐴) ∈ ℝ^* → ((♯‘𝐴) ·_e 0) = 0)
123	121, 122	syl 17	. . . . . . . . . 10 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = 0) → ((♯‘𝐴) ·_e 0) = 0)
124	120, 123	eqtrd 2772	. . . . . . . . 9 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = 0) → ((♯‘𝐴) ·_e 𝐵) = 0)
125	119, 124	breqtrd 5173	. . . . . . . 8 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = 0) → 𝑦 < 0)
126		breq2 5151	. . . . . . . . 9 ⊢ (𝑧 = 0 → (𝑦 < 𝑧 ↔ 𝑦 < 0))
127	126	rspcev 3612	. . . . . . . 8 ⊢ ((0 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)) ∧ 𝑦 < 0) → ∃𝑧 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 < 𝑧)
128	118, 125, 127	syl2anc 584	. . . . . . 7 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = 0) → ∃𝑧 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 < 𝑧)
129		simplr 767	. . . . . . . . . . . . . 14 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → 𝑎 ∈ 𝒫 𝐴)
130		simpr 485	. . . . . . . . . . . . . . . 16 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → (♯‘𝑎) = 𝑛)
131		simp-4r 782	. . . . . . . . . . . . . . . 16 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → 𝑛 ∈ ℕ)
132	130, 131	eqeltrd 2833	. . . . . . . . . . . . . . 15 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → (♯‘𝑎) ∈ ℕ)
133		nnnn0 12475	. . . . . . . . . . . . . . . 16 ⊢ ((♯‘𝑎) ∈ ℕ → (♯‘𝑎) ∈ ℕ₀)
134		vex 3478	. . . . . . . . . . . . . . . . 17 ⊢ 𝑎 ∈ V
135		hashclb 14314	. . . . . . . . . . . . . . . . 17 ⊢ (𝑎 ∈ V → (𝑎 ∈ Fin ↔ (♯‘𝑎) ∈ ℕ₀))
136	134, 135	ax-mp 5	. . . . . . . . . . . . . . . 16 ⊢ (𝑎 ∈ Fin ↔ (♯‘𝑎) ∈ ℕ₀)
137	133, 136	sylibr 233	. . . . . . . . . . . . . . 15 ⊢ ((♯‘𝑎) ∈ ℕ → 𝑎 ∈ Fin)
138	132, 137	syl 17	. . . . . . . . . . . . . 14 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → 𝑎 ∈ Fin)
139	129, 138	elind 4193	. . . . . . . . . . . . 13 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → 𝑎 ∈ (𝒫 𝐴 ∩ Fin))
140		eqidd 2733	. . . . . . . . . . . . 13 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → ((♯‘𝑎) ·_e 𝐵) = ((♯‘𝑎) ·_e 𝐵))
141		fveq2 6888	. . . . . . . . . . . . . . 15 ⊢ (𝑥 = 𝑎 → (♯‘𝑥) = (♯‘𝑎))
142	141	oveq1d 7420	. . . . . . . . . . . . . 14 ⊢ (𝑥 = 𝑎 → ((♯‘𝑥) ·_e 𝐵) = ((♯‘𝑎) ·_e 𝐵))
143	142	rspceeqv 3632	. . . . . . . . . . . . 13 ⊢ ((𝑎 ∈ (𝒫 𝐴 ∩ Fin) ∧ ((♯‘𝑎) ·_e 𝐵) = ((♯‘𝑎) ·_e 𝐵)) → ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)((♯‘𝑎) ·_e 𝐵) = ((♯‘𝑥) ·_e 𝐵))
144	139, 140, 143	syl2anc 584	. . . . . . . . . . . 12 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)((♯‘𝑎) ·_e 𝐵) = ((♯‘𝑥) ·_e 𝐵))
145	50, 116	elrnmpti 5957	. . . . . . . . . . . 12 ⊢ (((♯‘𝑎) ·_e 𝐵) ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)) ↔ ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)((♯‘𝑎) ·_e 𝐵) = ((♯‘𝑥) ·_e 𝐵))
146	144, 145	sylibr 233	. . . . . . . . . . 11 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → ((♯‘𝑎) ·_e 𝐵) ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)))
147		simpllr 774	. . . . . . . . . . . . 13 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → (𝑦 / 𝐵) < 𝑛)
148		simp-8r 790	. . . . . . . . . . . . . 14 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → 𝑦 ∈ ℝ)
149	131	nnred 12223	. . . . . . . . . . . . . 14 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → 𝑛 ∈ ℝ)
150		simp-5r 784	. . . . . . . . . . . . . 14 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → 𝐵 ∈ ℝ⁺)
151	148, 149, 150	ltdivmul2d 13064	. . . . . . . . . . . . 13 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → ((𝑦 / 𝐵) < 𝑛 ↔ 𝑦 < (𝑛 · 𝐵)))
152	147, 151	mpbid 231	. . . . . . . . . . . 12 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → 𝑦 < (𝑛 · 𝐵))
153	130	oveq1d 7420	. . . . . . . . . . . . 13 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → ((♯‘𝑎) ·_e 𝐵) = (𝑛 ·_e 𝐵))
154	150	rpred 13012	. . . . . . . . . . . . . 14 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → 𝐵 ∈ ℝ)
155		rexmul 13246	. . . . . . . . . . . . . 14 ⊢ ((𝑛 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝑛 ·_e 𝐵) = (𝑛 · 𝐵))
156	149, 154, 155	syl2anc 584	. . . . . . . . . . . . 13 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → (𝑛 ·_e 𝐵) = (𝑛 · 𝐵))
157	153, 156	eqtrd 2772	. . . . . . . . . . . 12 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → ((♯‘𝑎) ·_e 𝐵) = (𝑛 · 𝐵))
158	152, 157	breqtrrd 5175	. . . . . . . . . . 11 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → 𝑦 < ((♯‘𝑎) ·_e 𝐵))
159		breq2 5151	. . . . . . . . . . . 12 ⊢ (𝑧 = ((♯‘𝑎) ·_e 𝐵) → (𝑦 < 𝑧 ↔ 𝑦 < ((♯‘𝑎) ·_e 𝐵)))
160	159	rspcev 3612	. . . . . . . . . . 11 ⊢ ((((♯‘𝑎) ·_e 𝐵) ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)) ∧ 𝑦 < ((♯‘𝑎) ·_e 𝐵)) → ∃𝑧 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 < 𝑧)
161	146, 158, 160	syl2anc 584	. . . . . . . . . 10 ⊢ ((((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) ∧ 𝑎 ∈ 𝒫 𝐴) ∧ (♯‘𝑎) = 𝑛) → ∃𝑧 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 < 𝑧)
162	161	rexlimdva2 3157	. . . . . . . . 9 ⊢ ((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ (𝑦 / 𝐵) < 𝑛) → (∃𝑎 ∈ 𝒫 𝐴(♯‘𝑎) = 𝑛 → ∃𝑧 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 < 𝑧))
163	162	impr 455	. . . . . . . 8 ⊢ ((((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) ∧ 𝑛 ∈ ℕ) ∧ ((𝑦 / 𝐵) < 𝑛 ∧ ∃𝑎 ∈ 𝒫 𝐴(♯‘𝑎) = 𝑛)) → ∃𝑧 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 < 𝑧)
164		simp-4r 782	. . . . . . . . . . 11 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) → 𝑦 ∈ ℝ)
165		simpr 485	. . . . . . . . . . 11 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) → 𝐵 ∈ ℝ⁺)
166	164, 165	rerpdivcld 13043	. . . . . . . . . 10 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) → (𝑦 / 𝐵) ∈ ℝ)
167		arch 12465	. . . . . . . . . 10 ⊢ ((𝑦 / 𝐵) ∈ ℝ → ∃𝑛 ∈ ℕ (𝑦 / 𝐵) < 𝑛)
168	166, 167	syl 17	. . . . . . . . 9 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) → ∃𝑛 ∈ ℕ (𝑦 / 𝐵) < 𝑛)
169		ishashinf 14420	. . . . . . . . . 10 ⊢ (¬ 𝐴 ∈ Fin → ∀𝑛 ∈ ℕ ∃𝑎 ∈ 𝒫 𝐴(♯‘𝑎) = 𝑛)
170	169	ad2antlr 725	. . . . . . . . 9 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) → ∀𝑛 ∈ ℕ ∃𝑎 ∈ 𝒫 𝐴(♯‘𝑎) = 𝑛)
171		r19.29r 3116	. . . . . . . . 9 ⊢ ((∃𝑛 ∈ ℕ (𝑦 / 𝐵) < 𝑛 ∧ ∀𝑛 ∈ ℕ ∃𝑎 ∈ 𝒫 𝐴(♯‘𝑎) = 𝑛) → ∃𝑛 ∈ ℕ ((𝑦 / 𝐵) < 𝑛 ∧ ∃𝑎 ∈ 𝒫 𝐴(♯‘𝑎) = 𝑛))
172	168, 170, 171	syl2anc 584	. . . . . . . 8 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) → ∃𝑛 ∈ ℕ ((𝑦 / 𝐵) < 𝑛 ∧ ∃𝑎 ∈ 𝒫 𝐴(♯‘𝑎) = 𝑛))
173	163, 172	r19.29a 3162	. . . . . . 7 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 ∈ ℝ⁺) → ∃𝑧 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 < 𝑧)
174		nfielex 9269	. . . . . . . . . . . 12 ⊢ (¬ 𝐴 ∈ Fin → ∃𝑙 𝑙 ∈ 𝐴)
175	174	adantr 481	. . . . . . . . . . 11 ⊢ ((¬ 𝐴 ∈ Fin ∧ 𝐵 = +∞) → ∃𝑙 𝑙 ∈ 𝐴)
176		snelpwi 5442	. . . . . . . . . . . . . . 15 ⊢ (𝑙 ∈ 𝐴 → {𝑙} ∈ 𝒫 𝐴)
177		snfi 9040	. . . . . . . . . . . . . . 15 ⊢ {𝑙} ∈ Fin
178	176, 177	jctir 521	. . . . . . . . . . . . . 14 ⊢ (𝑙 ∈ 𝐴 → ({𝑙} ∈ 𝒫 𝐴 ∧ {𝑙} ∈ Fin))
179		elin 3963	. . . . . . . . . . . . . 14 ⊢ ({𝑙} ∈ (𝒫 𝐴 ∩ Fin) ↔ ({𝑙} ∈ 𝒫 𝐴 ∧ {𝑙} ∈ Fin))
180	178, 179	sylibr 233	. . . . . . . . . . . . 13 ⊢ (𝑙 ∈ 𝐴 → {𝑙} ∈ (𝒫 𝐴 ∩ Fin))
181	180	adantl 482	. . . . . . . . . . . 12 ⊢ (((¬ 𝐴 ∈ Fin ∧ 𝐵 = +∞) ∧ 𝑙 ∈ 𝐴) → {𝑙} ∈ (𝒫 𝐴 ∩ Fin))
182		simplr 767	. . . . . . . . . . . . . 14 ⊢ (((¬ 𝐴 ∈ Fin ∧ 𝐵 = +∞) ∧ 𝑙 ∈ 𝐴) → 𝐵 = +∞)
183	182	oveq2d 7421	. . . . . . . . . . . . 13 ⊢ (((¬ 𝐴 ∈ Fin ∧ 𝐵 = +∞) ∧ 𝑙 ∈ 𝐴) → ((♯‘{𝑙}) ·_e 𝐵) = ((♯‘{𝑙}) ·_e +∞))
184		hashsng 14325	. . . . . . . . . . . . . . . 16 ⊢ (𝑙 ∈ 𝐴 → (♯‘{𝑙}) = 1)
185		1re 11210	. . . . . . . . . . . . . . . . 17 ⊢ 1 ∈ ℝ
186	27, 185	sselii 3978	. . . . . . . . . . . . . . . 16 ⊢ 1 ∈ ℝ^*
187	184, 186	eqeltrdi 2841	. . . . . . . . . . . . . . 15 ⊢ (𝑙 ∈ 𝐴 → (♯‘{𝑙}) ∈ ℝ^*)
188		0lt1 11732	. . . . . . . . . . . . . . . 16 ⊢ 0 < 1
189	188, 184	breqtrrid 5185	. . . . . . . . . . . . . . 15 ⊢ (𝑙 ∈ 𝐴 → 0 < (♯‘{𝑙}))
190		xmulpnf1 13249	. . . . . . . . . . . . . . 15 ⊢ (((♯‘{𝑙}) ∈ ℝ^* ∧ 0 < (♯‘{𝑙})) → ((♯‘{𝑙}) ·_e +∞) = +∞)
191	187, 189, 190	syl2anc 584	. . . . . . . . . . . . . 14 ⊢ (𝑙 ∈ 𝐴 → ((♯‘{𝑙}) ·_e +∞) = +∞)
192	191	adantl 482	. . . . . . . . . . . . 13 ⊢ (((¬ 𝐴 ∈ Fin ∧ 𝐵 = +∞) ∧ 𝑙 ∈ 𝐴) → ((♯‘{𝑙}) ·_e +∞) = +∞)
193	183, 192	eqtr2d 2773	. . . . . . . . . . . 12 ⊢ (((¬ 𝐴 ∈ Fin ∧ 𝐵 = +∞) ∧ 𝑙 ∈ 𝐴) → +∞ = ((♯‘{𝑙}) ·_e 𝐵))
194		fveq2 6888	. . . . . . . . . . . . . 14 ⊢ (𝑥 = {𝑙} → (♯‘𝑥) = (♯‘{𝑙}))
195	194	oveq1d 7420	. . . . . . . . . . . . 13 ⊢ (𝑥 = {𝑙} → ((♯‘𝑥) ·_e 𝐵) = ((♯‘{𝑙}) ·_e 𝐵))
196	195	rspceeqv 3632	. . . . . . . . . . . 12 ⊢ (({𝑙} ∈ (𝒫 𝐴 ∩ Fin) ∧ +∞ = ((♯‘{𝑙}) ·_e 𝐵)) → ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)+∞ = ((♯‘𝑥) ·_e 𝐵))
197	181, 193, 196	syl2anc 584	. . . . . . . . . . 11 ⊢ (((¬ 𝐴 ∈ Fin ∧ 𝐵 = +∞) ∧ 𝑙 ∈ 𝐴) → ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)+∞ = ((♯‘𝑥) ·_e 𝐵))
198	175, 197	exlimddv 1938	. . . . . . . . . 10 ⊢ ((¬ 𝐴 ∈ Fin ∧ 𝐵 = +∞) → ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)+∞ = ((♯‘𝑥) ·_e 𝐵))
199	198	adantll 712	. . . . . . . . 9 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = +∞) → ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)+∞ = ((♯‘𝑥) ·_e 𝐵))
200	50, 116	elrnmpti 5957	. . . . . . . . 9 ⊢ (+∞ ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)) ↔ ∃𝑥 ∈ (𝒫 𝐴 ∩ Fin)+∞ = ((♯‘𝑥) ·_e 𝐵))
201	199, 200	sylibr 233	. . . . . . . 8 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = +∞) → +∞ ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)))
202		simp-4r 782	. . . . . . . . 9 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = +∞) → 𝑦 ∈ ℝ)
203		ltpnf 13096	. . . . . . . . 9 ⊢ (𝑦 ∈ ℝ → 𝑦 < +∞)
204	202, 203	syl 17	. . . . . . . 8 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = +∞) → 𝑦 < +∞)
205		breq2 5151	. . . . . . . . 9 ⊢ (𝑧 = +∞ → (𝑦 < 𝑧 ↔ 𝑦 < +∞))
206	205	rspcev 3612	. . . . . . . 8 ⊢ ((+∞ ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)) ∧ 𝑦 < +∞) → ∃𝑧 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 < 𝑧)
207	201, 204, 206	syl2anc 584	. . . . . . 7 ⊢ ((((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) ∧ 𝐵 = +∞) → ∃𝑧 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 < 𝑧)
208		simp-4r 782	. . . . . . . 8 ⊢ (((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) → 𝐵 ∈ (0[,]+∞))
209		elxrge02 32085	. . . . . . . 8 ⊢ (𝐵 ∈ (0[,]+∞) ↔ (𝐵 = 0 ∨ 𝐵 ∈ ℝ⁺ ∨ 𝐵 = +∞))
210	208, 209	sylib 217	. . . . . . 7 ⊢ (((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) → (𝐵 = 0 ∨ 𝐵 ∈ ℝ⁺ ∨ 𝐵 = +∞))
211	128, 173, 207, 210	mpjao3dan 1431	. . . . . 6 ⊢ (((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) ∧ ¬ 𝐴 ∈ Fin) → ∃𝑧 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 < 𝑧)
212	99, 211	pm2.61dan 811	. . . . 5 ⊢ ((((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) ∧ 𝑦 < ((♯‘𝐴) ·_e 𝐵)) → ∃𝑧 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 < 𝑧)
213	212	ex 413	. . . 4 ⊢ (((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) ∧ 𝑦 ∈ ℝ) → (𝑦 < ((♯‘𝐴) ·_e 𝐵) → ∃𝑧 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 < 𝑧))
214	213	ralrimiva 3146	. . 3 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → ∀𝑦 ∈ ℝ (𝑦 < ((♯‘𝐴) ·_e 𝐵) → ∃𝑧 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 < 𝑧))
215		supxr2 13289	. . 3 ⊢ (((ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)) ⊆ ℝ^* ∧ ((♯‘𝐴) ·_e 𝐵) ∈ ℝ^) ∧ (∀𝑦 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 ≤ ((♯‘𝐴) ·_e 𝐵) ∧ ∀𝑦 ∈ ℝ (𝑦 < ((♯‘𝐴) ·_e 𝐵) → ∃𝑧 ∈ ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵))𝑦 < 𝑧))) → sup(ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)), ℝ^, < ) = ((♯‘𝐴) ·_e 𝐵))
216	45, 48, 80, 214, 215	syl22anc 837	. 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → sup(ran (𝑥 ∈ (𝒫 𝐴 ∩ Fin) ↦ ((♯‘𝑥) ·_e 𝐵)), ℝ^*, < ) = ((♯‘𝐴) ·_e 𝐵))
217	25, 216	eqtrd 2772	1 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → Σ^*𝑘 ∈ 𝐴𝐵 = ((♯‘𝐴) ·_e 𝐵))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 396 ∨ w3o 1086 = wceq 1541 ∃wex 1781 ∈ wcel 2106 Ⅎwnfc 2883 ∀wral 3061 ∃wrex 3070 Vcvv 3474 ∪ cun 3945 ∩ cin 3946 ⊆ wss 3947 ∅c0 4321 𝒫 cpw 4601 {csn 4627 class class class wbr 5147 ↦ cmpt 5230 ran crn 5676 ⟶wf 6536 ‘cfv 6540 (class class class)co 7405 ≼ cdom 8933 Fincfn 8935 supcsup 9431 ℝcr 11105 0cc0 11106 1c1 11107 · cmul 11111 +∞cpnf 11241 ℝ^*cxr 11243 < clt 11244 ≤ cle 11245 / cdiv 11867 ℕcn 12208 ℕ₀cn0 12468 ℝ⁺crp 12970 ·_e cxmu 13087 [,]cicc 13323 ♯chash 14286 ↾_s cress 17169 Σ_g cgsu 17382 ℝ^*_𝑠cxrs 17442 Mndcmnd 18621 ._gcmg 18944 TopMndctmd 23565 Σ^*cesum 33013

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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2703 ax-rep 5284 ax-sep 5298 ax-nul 5305 ax-pow 5362 ax-pr 5426 ax-un 7721 ax-inf2 9632 ax-cnex 11162 ax-resscn 11163 ax-1cn 11164 ax-icn 11165 ax-addcl 11166 ax-addrcl 11167 ax-mulcl 11168 ax-mulrcl 11169 ax-mulcom 11170 ax-addass 11171 ax-mulass 11172 ax-distr 11173 ax-i2m1 11174 ax-1ne0 11175 ax-1rid 11176 ax-rnegex 11177 ax-rrecex 11178 ax-cnre 11179 ax-pre-lttri 11180 ax-pre-lttrn 11181 ax-pre-ltadd 11182 ax-pre-mulgt0 11183 ax-pre-sup 11184 ax-addf 11185 ax-mulf 11186

This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2534 df-eu 2563 df-clab 2710 df-cleq 2724 df-clel 2810 df-nfc 2885 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3376 df-reu 3377 df-rab 3433 df-v 3476 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3966 df-nul 4322 df-if 4528 df-pw 4603 df-sn 4628 df-pr 4630 df-tp 4632 df-op 4634 df-uni 4908 df-int 4950 df-iun 4998 df-iin 4999 df-br 5148 df-opab 5210 df-mpt 5231 df-tr 5265 df-id 5573 df-eprel 5579 df-po 5587 df-so 5588 df-fr 5630 df-se 5631 df-we 5632 df-xp 5681 df-rel 5682 df-cnv 5683 df-co 5684 df-dm 5685 df-rn 5686 df-res 5687 df-ima 5688 df-pred 6297 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6492 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-isom 6549 df-riota 7361 df-ov 7408 df-oprab 7409 df-mpo 7410 df-of 7666 df-om 7852 df-1st 7971 df-2nd 7972 df-supp 8143 df-frecs 8262 df-wrecs 8293 df-recs 8367 df-rdg 8406 df-1o 8462 df-2o 8463 df-oadd 8466 df-er 8699 df-map 8818 df-pm 8819 df-ixp 8888 df-en 8936 df-dom 8937 df-sdom 8938 df-fin 8939 df-fsupp 9358 df-fi 9402 df-sup 9433 df-inf 9434 df-oi 9501 df-card 9930 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11442 df-neg 11443 df-div 11868 df-nn 12209 df-2 12271 df-3 12272 df-4 12273 df-5 12274 df-6 12275 df-7 12276 df-8 12277 df-9 12278 df-n0 12469 df-xnn0 12541 df-z 12555 df-dec 12674 df-uz 12819 df-q 12929 df-rp 12971 df-xneg 13088 df-xadd 13089 df-xmul 13090 df-ioo 13324 df-ioc 13325 df-ico 13326 df-icc 13327 df-fz 13481 df-fzo 13624 df-fl 13753 df-mod 13831 df-seq 13963 df-exp 14024 df-fac 14230 df-bc 14259 df-hash 14287 df-shft 15010 df-cj 15042 df-re 15043 df-im 15044 df-sqrt 15178 df-abs 15179 df-limsup 15411 df-clim 15428 df-rlim 15429 df-sum 15629 df-ef 16007 df-sin 16009 df-cos 16010 df-pi 16012 df-struct 17076 df-sets 17093 df-slot 17111 df-ndx 17123 df-base 17141 df-ress 17170 df-plusg 17206 df-mulr 17207 df-starv 17208 df-sca 17209 df-vsca 17210 df-ip 17211 df-tset 17212 df-ple 17213 df-ds 17215 df-unif 17216 df-hom 17217 df-cco 17218 df-rest 17364 df-topn 17365 df-0g 17383 df-gsum 17384 df-topgen 17385 df-pt 17386 df-prds 17389 df-ordt 17443 df-xrs 17444 df-qtop 17449 df-imas 17450 df-xps 17452 df-mre 17526 df-mrc 17527 df-acs 17529 df-ps 18515 df-tsr 18516 df-plusf 18556 df-mgm 18557 df-sgrp 18606 df-mnd 18622 df-mhm 18667 df-submnd 18668 df-grp 18818 df-minusg 18819 df-sbg 18820 df-mulg 18945 df-subg 18997 df-cntz 19175 df-cmn 19644 df-abl 19645 df-mgp 19982 df-ur 19999 df-ring 20051 df-cring 20052 df-subrg 20353 df-abv 20417 df-lmod 20465 df-scaf 20466 df-sra 20777 df-rgmod 20778 df-psmet 20928 df-xmet 20929 df-met 20930 df-bl 20931 df-mopn 20932 df-fbas 20933 df-fg 20934 df-cnfld 20937 df-top 22387 df-topon 22404 df-topsp 22426 df-bases 22440 df-cld 22514 df-ntr 22515 df-cls 22516 df-nei 22593 df-lp 22631 df-perf 22632 df-cn 22722 df-cnp 22723 df-haus 22810 df-tx 23057 df-hmeo 23250 df-fil 23341 df-fm 23433 df-flim 23434 df-flf 23435 df-tmd 23567 df-tgp 23568 df-tsms 23622 df-trg 23655 df-xms 23817 df-ms 23818 df-tms 23819 df-nm 24082 df-ngp 24083 df-nrg 24085 df-nlm 24086 df-ii 24384 df-cncf 24385 df-limc 25374 df-dv 25375 df-log 26056 df-esum 33014

This theorem is referenced by: esumpinfval 33059 esumpinfsum 33063

W3C validator