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Theorem ballotfilemsima 13203

Description: The image by 𝑆 of an interval before the first pick. (Contributed by Thierry Arnoux, 5-May-2017.)

**Hypotheses**
Ref	Expression
ballotth.m	⊢ 𝑀 ∈ ℕ
ballotth.n	⊢ 𝑁 ∈ ℕ
ballotfilem.o	⊢ 𝑂 = {𝑐 ∈ (𝒫 (1...(𝑀 + 𝑁)) ∩ Fin) ∣ (♯‘𝑐) = 𝑀}
ballotfilem.p	⊢ 𝑃 = (𝑥 ∈ (𝒫 𝑂 ∩ Fin) ↦ ((♯‘𝑥) / (♯‘𝑂)))
ballotth.f	⊢ 𝐹 = (𝑐 ∈ 𝑂 ↦ (𝑖 ∈ ℤ ↦ ((♯‘((1...𝑖) ∩ 𝑐)) − (♯‘((1...𝑖) ∖ 𝑐)))))
ballotth.e	⊢ 𝐸 = {𝑐 ∈ 𝑂 ∣ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹‘𝑐)‘𝑖)}
ballotth.mgtn	⊢ 𝑁 < 𝑀
ballotth.i	⊢ 𝐼 = (𝑐 ∈ (𝑂 ∖ 𝐸) ↦ inf({𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹‘𝑐)‘𝑘) = 0}, ℝ, < ))
ballotth.s	⊢ 𝑆 = (𝑐 ∈ (𝑂 ∖ 𝐸) ↦ (𝑖 ∈ (1...(𝑀 + 𝑁)) ↦ if(𝑖 ≤ (𝐼‘𝑐), (((𝐼‘𝑐) + 1) − 𝑖), 𝑖)))

**Assertion**
Ref	Expression
ballotfilemsima	⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → ((𝑆‘𝐶) “ (1...𝐽)) = (((𝑆‘𝐶)‘𝐽)...(𝐼‘𝐶)))

Distinct variable groups: 𝑀,𝑐 𝑁,𝑐 𝑂,𝑐 𝑖,𝑀 𝑖,𝑁 𝑖,𝑂 𝑘,𝑀 𝑘,𝑁 𝑘,𝑂 𝑖,𝑐,𝐹,𝑘 𝐶,𝑖,𝑘 𝑖,𝐸,𝑘 𝐶,𝑘 𝑘,𝐼,𝑐 𝐸,𝑐 𝑖,𝐼,𝑐 𝑘,𝐽 𝑆,𝑘 Allowed substitution hints: 𝐶(𝑥,𝑐) 𝑃(𝑥,𝑖,𝑘,𝑐) 𝑆(𝑥,𝑖,𝑐) 𝐸(𝑥) 𝐹(𝑥) 𝐼(𝑥) 𝐽(𝑥,𝑖,𝑐) 𝑀(𝑥) 𝑁(𝑥) 𝑂(𝑥)

Proof of Theorem ballotfilemsima Dummy variable 𝑗 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		imassrn 5117	. . . . . 6 ⊢ ((𝑆‘𝐶) “ (1...𝐽)) ⊆ ran (𝑆‘𝐶)
2		ballotth.m	. . . . . . . . 9 ⊢ 𝑀 ∈ ℕ
3		ballotth.n	. . . . . . . . 9 ⊢ 𝑁 ∈ ℕ
4		ballotfilem.o	. . . . . . . . 9 ⊢ 𝑂 = {𝑐 ∈ (𝒫 (1...(𝑀 + 𝑁)) ∩ Fin) ∣ (♯‘𝑐) = 𝑀}
5		ballotfilem.p	. . . . . . . . 9 ⊢ 𝑃 = (𝑥 ∈ (𝒫 𝑂 ∩ Fin) ↦ ((♯‘𝑥) / (♯‘𝑂)))
6		ballotth.f	. . . . . . . . 9 ⊢ 𝐹 = (𝑐 ∈ 𝑂 ↦ (𝑖 ∈ ℤ ↦ ((♯‘((1...𝑖) ∩ 𝑐)) − (♯‘((1...𝑖) ∖ 𝑐)))))
7		ballotth.e	. . . . . . . . 9 ⊢ 𝐸 = {𝑐 ∈ 𝑂 ∣ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹‘𝑐)‘𝑖)}
8		ballotth.mgtn	. . . . . . . . 9 ⊢ 𝑁 < 𝑀
9		ballotth.i	. . . . . . . . 9 ⊢ 𝐼 = (𝑐 ∈ (𝑂 ∖ 𝐸) ↦ inf({𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹‘𝑐)‘𝑘) = 0}, ℝ, < ))
10		ballotth.s	. . . . . . . . 9 ⊢ 𝑆 = (𝑐 ∈ (𝑂 ∖ 𝐸) ↦ (𝑖 ∈ (1...(𝑀 + 𝑁)) ↦ if(𝑖 ≤ (𝐼‘𝑐), (((𝐼‘𝑐) + 1) − 𝑖), 𝑖)))
11	2, 3, 4, 5, 6, 7, 8, 9, 10	ballotfilemsf1o 13201	. . . . . . . 8 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → ((𝑆‘𝐶):(1...(𝑀 + 𝑁))–1-1-onto→(1...(𝑀 + 𝑁)) ∧ ^◡(𝑆‘𝐶) = (𝑆‘𝐶)))
12	11	simpld 112	. . . . . . 7 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → (𝑆‘𝐶):(1...(𝑀 + 𝑁))–1-1-onto→(1...(𝑀 + 𝑁)))
13		f1of 5619	. . . . . . 7 ⊢ ((𝑆‘𝐶):(1...(𝑀 + 𝑁))–1-1-onto→(1...(𝑀 + 𝑁)) → (𝑆‘𝐶):(1...(𝑀 + 𝑁))⟶(1...(𝑀 + 𝑁)))
14		frn 5522	. . . . . . 7 ⊢ ((𝑆‘𝐶):(1...(𝑀 + 𝑁))⟶(1...(𝑀 + 𝑁)) → ran (𝑆‘𝐶) ⊆ (1...(𝑀 + 𝑁)))
15	12, 13, 14	3syl 17	. . . . . 6 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → ran (𝑆‘𝐶) ⊆ (1...(𝑀 + 𝑁)))
16	1, 15	sstrid 3253	. . . . 5 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → ((𝑆‘𝐶) “ (1...𝐽)) ⊆ (1...(𝑀 + 𝑁)))
17		fzssuz 10420	. . . . . 6 ⊢ (1...(𝑀 + 𝑁)) ⊆ (ℤ_≥‘1)
18		uzssz 9892	. . . . . 6 ⊢ (ℤ_≥‘1) ⊆ ℤ
19	17, 18	sstri 3251	. . . . 5 ⊢ (1...(𝑀 + 𝑁)) ⊆ ℤ
20	16, 19	sstrdi 3254	. . . 4 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → ((𝑆‘𝐶) “ (1...𝐽)) ⊆ ℤ)
21	20	adantr 276	. . 3 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → ((𝑆‘𝐶) “ (1...𝐽)) ⊆ ℤ)
22	21	sselda 3242	. 2 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ((𝑆‘𝐶) “ (1...𝐽))) → 𝑘 ∈ ℤ)
23		elfzelz 10378	. . 3 ⊢ (𝑘 ∈ (((𝑆‘𝐶)‘𝐽)...(𝐼‘𝐶)) → 𝑘 ∈ ℤ)
24	23	adantl 277	. 2 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ (((𝑆‘𝐶)‘𝐽)...(𝐼‘𝐶))) → 𝑘 ∈ ℤ)
25		f1ofn 5620	. . . . . . 7 ⊢ ((𝑆‘𝐶):(1...(𝑀 + 𝑁))–1-1-onto→(1...(𝑀 + 𝑁)) → (𝑆‘𝐶) Fn (1...(𝑀 + 𝑁)))
26	12, 25	syl 14	. . . . . 6 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → (𝑆‘𝐶) Fn (1...(𝑀 + 𝑁)))
27	26	adantr 276	. . . . 5 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (𝑆‘𝐶) Fn (1...(𝑀 + 𝑁)))
28	2, 3, 4, 5, 6, 7, 8, 9	ballotfilemiex 13188	. . . . . . . . . 10 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → ((𝐼‘𝐶) ∈ (1...(𝑀 + 𝑁)) ∧ ((𝐹‘𝐶)‘(𝐼‘𝐶)) = 0))
29	28	simpld 112	. . . . . . . . 9 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → (𝐼‘𝐶) ∈ (1...(𝑀 + 𝑁)))
30	29	adantr 276	. . . . . . . 8 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (𝐼‘𝐶) ∈ (1...(𝑀 + 𝑁)))
31		elfzuz3 10375	. . . . . . . 8 ⊢ ((𝐼‘𝐶) ∈ (1...(𝑀 + 𝑁)) → (𝑀 + 𝑁) ∈ (ℤ_≥‘(𝐼‘𝐶)))
32	30, 31	syl 14	. . . . . . 7 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (𝑀 + 𝑁) ∈ (ℤ_≥‘(𝐼‘𝐶)))
33		elfzuz3 10375	. . . . . . . 8 ⊢ (𝐽 ∈ (1...(𝐼‘𝐶)) → (𝐼‘𝐶) ∈ (ℤ_≥‘𝐽))
34	33	adantl 277	. . . . . . 7 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (𝐼‘𝐶) ∈ (ℤ_≥‘𝐽))
35		uztrn 9889	. . . . . . 7 ⊢ (((𝑀 + 𝑁) ∈ (ℤ_≥‘(𝐼‘𝐶)) ∧ (𝐼‘𝐶) ∈ (ℤ_≥‘𝐽)) → (𝑀 + 𝑁) ∈ (ℤ_≥‘𝐽))
36	32, 34, 35	syl2anc 411	. . . . . 6 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (𝑀 + 𝑁) ∈ (ℤ_≥‘𝐽))
37		fzss2 10419	. . . . . 6 ⊢ ((𝑀 + 𝑁) ∈ (ℤ_≥‘𝐽) → (1...𝐽) ⊆ (1...(𝑀 + 𝑁)))
38	36, 37	syl 14	. . . . 5 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (1...𝐽) ⊆ (1...(𝑀 + 𝑁)))
39		fvelimab 5738	. . . . 5 ⊢ (((𝑆‘𝐶) Fn (1...(𝑀 + 𝑁)) ∧ (1...𝐽) ⊆ (1...(𝑀 + 𝑁))) → (𝑘 ∈ ((𝑆‘𝐶) “ (1...𝐽)) ↔ ∃𝑗 ∈ (1...𝐽)((𝑆‘𝐶)‘𝑗) = 𝑘))
40	27, 38, 39	syl2anc 411	. . . 4 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (𝑘 ∈ ((𝑆‘𝐶) “ (1...𝐽)) ↔ ∃𝑗 ∈ (1...𝐽)((𝑆‘𝐶)‘𝑗) = 𝑘))
41	40	adantr 276	. . 3 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → (𝑘 ∈ ((𝑆‘𝐶) “ (1...𝐽)) ↔ ∃𝑗 ∈ (1...𝐽)((𝑆‘𝐶)‘𝑗) = 𝑘))
42		1zzd 9621	. . . . . . . . . . 11 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → 1 ∈ ℤ)
43	2	nnzi 9615	. . . . . . . . . . . . 13 ⊢ 𝑀 ∈ ℤ
44	3	nnzi 9615	. . . . . . . . . . . . 13 ⊢ 𝑁 ∈ ℤ
45		zaddcl 9634	. . . . . . . . . . . . 13 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 + 𝑁) ∈ ℤ)
46	43, 44, 45	mp2an 426	. . . . . . . . . . . 12 ⊢ (𝑀 + 𝑁) ∈ ℤ
47	46	a1i 9	. . . . . . . . . . 11 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (𝑀 + 𝑁) ∈ ℤ)
48		elfzelz 10378	. . . . . . . . . . . 12 ⊢ (𝐽 ∈ (1...(𝐼‘𝐶)) → 𝐽 ∈ ℤ)
49	48	adantl 277	. . . . . . . . . . 11 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → 𝐽 ∈ ℤ)
50		elfzle1 10381	. . . . . . . . . . . 12 ⊢ (𝐽 ∈ (1...(𝐼‘𝐶)) → 1 ≤ 𝐽)
51	50	adantl 277	. . . . . . . . . . 11 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → 1 ≤ 𝐽)
52	49	zred 9718	. . . . . . . . . . . 12 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → 𝐽 ∈ ℝ)
53		elfzelz 10378	. . . . . . . . . . . . . . 15 ⊢ ((𝐼‘𝐶) ∈ (1...(𝑀 + 𝑁)) → (𝐼‘𝐶) ∈ ℤ)
54	29, 53	syl 14	. . . . . . . . . . . . . 14 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → (𝐼‘𝐶) ∈ ℤ)
55	54	adantr 276	. . . . . . . . . . . . 13 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (𝐼‘𝐶) ∈ ℤ)
56	55	zred 9718	. . . . . . . . . . . 12 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (𝐼‘𝐶) ∈ ℝ)
57	47	zred 9718	. . . . . . . . . . . 12 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (𝑀 + 𝑁) ∈ ℝ)
58		elfzle2 10382	. . . . . . . . . . . . 13 ⊢ (𝐽 ∈ (1...(𝐼‘𝐶)) → 𝐽 ≤ (𝐼‘𝐶))
59	58	adantl 277	. . . . . . . . . . . 12 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → 𝐽 ≤ (𝐼‘𝐶))
60		elfzle2 10382	. . . . . . . . . . . . . 14 ⊢ ((𝐼‘𝐶) ∈ (1...(𝑀 + 𝑁)) → (𝐼‘𝐶) ≤ (𝑀 + 𝑁))
61	29, 60	syl 14	. . . . . . . . . . . . 13 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → (𝐼‘𝐶) ≤ (𝑀 + 𝑁))
62	61	adantr 276	. . . . . . . . . . . 12 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (𝐼‘𝐶) ≤ (𝑀 + 𝑁))
63	52, 56, 57, 59, 62	letrd 8413	. . . . . . . . . . 11 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → 𝐽 ≤ (𝑀 + 𝑁))
64	42, 47, 49, 51, 63	elfzd 10369	. . . . . . . . . 10 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → 𝐽 ∈ (1...(𝑀 + 𝑁)))
65	2, 3, 4, 5, 6, 7, 8, 9, 10	ballotfilemsv 13197	. . . . . . . . . 10 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝑀 + 𝑁))) → ((𝑆‘𝐶)‘𝐽) = if(𝐽 ≤ (𝐼‘𝐶), (((𝐼‘𝐶) + 1) − 𝐽), 𝐽))
66	64, 65	syldan 282	. . . . . . . . 9 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → ((𝑆‘𝐶)‘𝐽) = if(𝐽 ≤ (𝐼‘𝐶), (((𝐼‘𝐶) + 1) − 𝐽), 𝐽))
67		simpr 110	. . . . . . . . . 10 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → 𝐽 ∈ (1...(𝐼‘𝐶)))
68		iftrue 3631	. . . . . . . . . 10 ⊢ (𝐽 ≤ (𝐼‘𝐶) → if(𝐽 ≤ (𝐼‘𝐶), (((𝐼‘𝐶) + 1) − 𝐽), 𝐽) = (((𝐼‘𝐶) + 1) − 𝐽))
69	67, 58, 68	3syl 17	. . . . . . . . 9 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → if(𝐽 ≤ (𝐼‘𝐶), (((𝐼‘𝐶) + 1) − 𝐽), 𝐽) = (((𝐼‘𝐶) + 1) − 𝐽))
70	66, 69	eqtrd 2267	. . . . . . . 8 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → ((𝑆‘𝐶)‘𝐽) = (((𝐼‘𝐶) + 1) − 𝐽))
71	70	oveq1d 6073	. . . . . . 7 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (((𝑆‘𝐶)‘𝐽)...(𝐼‘𝐶)) = ((((𝐼‘𝐶) + 1) − 𝐽)...(𝐼‘𝐶)))
72	71	eleq2d 2304	. . . . . 6 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (𝑘 ∈ (((𝑆‘𝐶)‘𝐽)...(𝐼‘𝐶)) ↔ 𝑘 ∈ ((((𝐼‘𝐶) + 1) − 𝐽)...(𝐼‘𝐶))))
73	72	adantr 276	. . . . 5 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → (𝑘 ∈ (((𝑆‘𝐶)‘𝐽)...(𝐼‘𝐶)) ↔ 𝑘 ∈ ((((𝐼‘𝐶) + 1) − 𝐽)...(𝐼‘𝐶))))
74	54	ad2antrr 488	. . . . . . . . 9 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → (𝐼‘𝐶) ∈ ℤ)
75	74	zcnd 9719	. . . . . . . 8 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → (𝐼‘𝐶) ∈ ℂ)
76		1cnd 8306	. . . . . . . 8 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → 1 ∈ ℂ)
77	75, 76	pncand 8601	. . . . . . 7 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → (((𝐼‘𝐶) + 1) − 1) = (𝐼‘𝐶))
78	77	oveq2d 6074	. . . . . 6 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → ((((𝐼‘𝐶) + 1) − 𝐽)...(((𝐼‘𝐶) + 1) − 1)) = ((((𝐼‘𝐶) + 1) − 𝐽)...(𝐼‘𝐶)))
79	78	eleq2d 2304	. . . . 5 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → (𝑘 ∈ ((((𝐼‘𝐶) + 1) − 𝐽)...(((𝐼‘𝐶) + 1) − 1)) ↔ 𝑘 ∈ ((((𝐼‘𝐶) + 1) − 𝐽)...(𝐼‘𝐶))))
80		1zzd 9621	. . . . . 6 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → 1 ∈ ℤ)
81	48	ad2antlr 489	. . . . . 6 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → 𝐽 ∈ ℤ)
82	74	peano2zd 9721	. . . . . 6 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → ((𝐼‘𝐶) + 1) ∈ ℤ)
83		simpr 110	. . . . . 6 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → 𝑘 ∈ ℤ)
84		fzrev 10440	. . . . . 6 ⊢ (((1 ∈ ℤ ∧ 𝐽 ∈ ℤ) ∧ (((𝐼‘𝐶) + 1) ∈ ℤ ∧ 𝑘 ∈ ℤ)) → (𝑘 ∈ ((((𝐼‘𝐶) + 1) − 𝐽)...(((𝐼‘𝐶) + 1) − 1)) ↔ (((𝐼‘𝐶) + 1) − 𝑘) ∈ (1...𝐽)))
85	80, 81, 82, 83, 84	syl22anc 1275	. . . . 5 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → (𝑘 ∈ ((((𝐼‘𝐶) + 1) − 𝐽)...(((𝐼‘𝐶) + 1) − 1)) ↔ (((𝐼‘𝐶) + 1) − 𝑘) ∈ (1...𝐽)))
86	73, 79, 85	3bitr2d 216	. . . 4 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → (𝑘 ∈ (((𝑆‘𝐶)‘𝐽)...(𝐼‘𝐶)) ↔ (((𝐼‘𝐶) + 1) − 𝑘) ∈ (1...𝐽)))
87		risset 2572	. . . . 5 ⊢ ((((𝐼‘𝐶) + 1) − 𝑘) ∈ (1...𝐽) ↔ ∃𝑗 ∈ (1...𝐽)𝑗 = (((𝐼‘𝐶) + 1) − 𝑘))
88	87	a1i 9	. . . 4 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → ((((𝐼‘𝐶) + 1) − 𝑘) ∈ (1...𝐽) ↔ ∃𝑗 ∈ (1...𝐽)𝑗 = (((𝐼‘𝐶) + 1) − 𝑘)))
89		eqcom 2236	. . . . . . 7 ⊢ ((((𝐼‘𝐶) + 1) − 𝑘) = 𝑗 ↔ 𝑗 = (((𝐼‘𝐶) + 1) − 𝑘))
90	54	ad2antrr 488	. . . . . . . . . . 11 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → (𝐼‘𝐶) ∈ ℤ)
91	90	adantlr 477	. . . . . . . . . 10 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → (𝐼‘𝐶) ∈ ℤ)
92	91	zcnd 9719	. . . . . . . . 9 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → (𝐼‘𝐶) ∈ ℂ)
93		1cnd 8306	. . . . . . . . 9 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → 1 ∈ ℂ)
94	92, 93	addcld 8309	. . . . . . . 8 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → ((𝐼‘𝐶) + 1) ∈ ℂ)
95		simplr 529	. . . . . . . . 9 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → 𝑘 ∈ ℤ)
96	95	zcnd 9719	. . . . . . . 8 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → 𝑘 ∈ ℂ)
97		elfzelz 10378	. . . . . . . . . 10 ⊢ (𝑗 ∈ (1...𝐽) → 𝑗 ∈ ℤ)
98	97	adantl 277	. . . . . . . . 9 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → 𝑗 ∈ ℤ)
99	98	zcnd 9719	. . . . . . . 8 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → 𝑗 ∈ ℂ)
100		subsub23 8494	. . . . . . . 8 ⊢ ((((𝐼‘𝐶) + 1) ∈ ℂ ∧ 𝑘 ∈ ℂ ∧ 𝑗 ∈ ℂ) → ((((𝐼‘𝐶) + 1) − 𝑘) = 𝑗 ↔ (((𝐼‘𝐶) + 1) − 𝑗) = 𝑘))
101	94, 96, 99, 100	syl3anc 1274	. . . . . . 7 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → ((((𝐼‘𝐶) + 1) − 𝑘) = 𝑗 ↔ (((𝐼‘𝐶) + 1) − 𝑗) = 𝑘))
102	89, 101	bitr3id 194	. . . . . 6 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → (𝑗 = (((𝐼‘𝐶) + 1) − 𝑘) ↔ (((𝐼‘𝐶) + 1) − 𝑗) = 𝑘))
103		simpll 527	. . . . . . . . . 10 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → 𝐶 ∈ (𝑂 ∖ 𝐸))
104	38	sselda 3242	. . . . . . . . . 10 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → 𝑗 ∈ (1...(𝑀 + 𝑁)))
105	2, 3, 4, 5, 6, 7, 8, 9, 10	ballotfilemsv 13197	. . . . . . . . . 10 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝑗 ∈ (1...(𝑀 + 𝑁))) → ((𝑆‘𝐶)‘𝑗) = if(𝑗 ≤ (𝐼‘𝐶), (((𝐼‘𝐶) + 1) − 𝑗), 𝑗))
106	103, 104, 105	syl2anc 411	. . . . . . . . 9 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → ((𝑆‘𝐶)‘𝑗) = if(𝑗 ≤ (𝐼‘𝐶), (((𝐼‘𝐶) + 1) − 𝑗), 𝑗))
107	97	adantl 277	. . . . . . . . . . . 12 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → 𝑗 ∈ ℤ)
108	107	zred 9718	. . . . . . . . . . 11 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → 𝑗 ∈ ℝ)
109	48	ad2antlr 489	. . . . . . . . . . . 12 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → 𝐽 ∈ ℤ)
110	109	zred 9718	. . . . . . . . . . 11 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → 𝐽 ∈ ℝ)
111	90	zred 9718	. . . . . . . . . . 11 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → (𝐼‘𝐶) ∈ ℝ)
112		elfzle2 10382	. . . . . . . . . . . 12 ⊢ (𝑗 ∈ (1...𝐽) → 𝑗 ≤ 𝐽)
113	112	adantl 277	. . . . . . . . . . 11 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → 𝑗 ≤ 𝐽)
114	58	ad2antlr 489	. . . . . . . . . . 11 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → 𝐽 ≤ (𝐼‘𝐶))
115	108, 110, 111, 113, 114	letrd 8413	. . . . . . . . . 10 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → 𝑗 ≤ (𝐼‘𝐶))
116		iftrue 3631	. . . . . . . . . 10 ⊢ (𝑗 ≤ (𝐼‘𝐶) → if(𝑗 ≤ (𝐼‘𝐶), (((𝐼‘𝐶) + 1) − 𝑗), 𝑗) = (((𝐼‘𝐶) + 1) − 𝑗))
117	115, 116	syl 14	. . . . . . . . 9 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → if(𝑗 ≤ (𝐼‘𝐶), (((𝐼‘𝐶) + 1) − 𝑗), 𝑗) = (((𝐼‘𝐶) + 1) − 𝑗))
118	106, 117	eqtrd 2267	. . . . . . . 8 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → ((𝑆‘𝐶)‘𝑗) = (((𝐼‘𝐶) + 1) − 𝑗))
119	118	eqeq1d 2243	. . . . . . 7 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → (((𝑆‘𝐶)‘𝑗) = 𝑘 ↔ (((𝐼‘𝐶) + 1) − 𝑗) = 𝑘))
120	119	adantlr 477	. . . . . 6 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → (((𝑆‘𝐶)‘𝑗) = 𝑘 ↔ (((𝐼‘𝐶) + 1) − 𝑗) = 𝑘))
121	102, 120	bitr4d 191	. . . . 5 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → (𝑗 = (((𝐼‘𝐶) + 1) − 𝑘) ↔ ((𝑆‘𝐶)‘𝑗) = 𝑘))
122	121	rexbidva 2541	. . . 4 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → (∃𝑗 ∈ (1...𝐽)𝑗 = (((𝐼‘𝐶) + 1) − 𝑘) ↔ ∃𝑗 ∈ (1...𝐽)((𝑆‘𝐶)‘𝑗) = 𝑘))
123	86, 88, 122	3bitrd 214	. . 3 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → (𝑘 ∈ (((𝑆‘𝐶)‘𝐽)...(𝐼‘𝐶)) ↔ ∃𝑗 ∈ (1...𝐽)((𝑆‘𝐶)‘𝑗) = 𝑘))
124	41, 123	bitr4d 191	. 2 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → (𝑘 ∈ ((𝑆‘𝐶) “ (1...𝐽)) ↔ 𝑘 ∈ (((𝑆‘𝐶)‘𝐽)...(𝐼‘𝐶))))
125	22, 24, 124	eqrdav 2233	1 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → ((𝑆‘𝐶) “ (1...𝐽)) = (((𝑆‘𝐶)‘𝐽)...(𝐼‘𝐶)))

Colors of variables: wff set class

Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 = wceq 1398 ∈ wcel 2205 ∀wral 2522 ∃wrex 2523 {crab 2526 ∖ cdif 3211 ∩ cin 3213 ⊆ wss 3214 ifcif 3624 𝒫 cpw 3674 class class class wbr 4114 ↦ cmpt 4176 ^◡ccnv 4753 ran crn 4755 “ cima 4757 Fn wfn 5352 ⟶wf 5353 –1-1-onto→wf1o 5356 ‘cfv 5357 (class class class)co 6058 Fincfn 6988 infcinf 7287 ℂcc 8141 ℝcr 8142 0cc0 8143 1c1 8144 + caddc 8146 < clt 8324 ≤ cle 8325 − cmin 8460 / cdiv 8963 ℕcn 9254 ℤcz 9594 ℤ_≥cuz 9871 ...cfz 10361 ♯chash 11163

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-coll 4230 ax-sep 4233 ax-nul 4241 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 ax-iinf 4715 ax-cnex 8234 ax-resscn 8235 ax-1cn 8236 ax-1re 8237 ax-icn 8238 ax-addcl 8239 ax-addrcl 8240 ax-mulcl 8241 ax-mulrcl 8242 ax-addcom 8243 ax-mulcom 8244 ax-addass 8245 ax-mulass 8246 ax-distr 8247 ax-i2m1 8248 ax-0lt1 8249 ax-1rid 8250 ax-0id 8251 ax-rnegex 8252 ax-precex 8253 ax-cnre 8254 ax-pre-ltirr 8255 ax-pre-ltwlin 8256 ax-pre-lttrn 8257 ax-pre-apti 8258 ax-pre-ltadd 8259 ax-pre-mulgt0 8260 ax-pre-mulext 8261

This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-reu 2529 df-rmo 2530 df-rab 2531 df-v 2817 df-sbc 3046 df-csb 3142 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-if 3625 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-iun 3998 df-br 4115 df-opab 4177 df-mpt 4178 df-tr 4214 df-id 4419 df-po 4422 df-iso 4423 df-iord 4492 df-on 4494 df-ilim 4495 df-suc 4497 df-iom 4718 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-ima 4767 df-iota 5317 df-fun 5359 df-fn 5360 df-f 5361 df-f1 5362 df-fo 5363 df-f1o 5364 df-fv 5365 df-isom 5366 df-riota 6011 df-ov 6061 df-oprab 6062 df-mpo 6063 df-1st 6347 df-2nd 6348 df-recs 6549 df-irdg 6614 df-frec 6635 df-1o 6660 df-oadd 6664 df-er 6780 df-en 6989 df-dom 6990 df-fin 6991 df-sup 7288 df-inf 7289 df-pnf 8326 df-mnf 8327 df-xr 8328 df-ltxr 8329 df-le 8330 df-sub 8462 df-neg 8463 df-reap 8866 df-ap 8873 df-div 8964 df-inn 9255 df-2 9313 df-n0 9514 df-z 9595 df-uz 9872 df-q 9970 df-rp 10005 df-fz 10362 df-fzo 10499 df-ihash 11164

This theorem is referenced by: ballotfilemfrc 13214

W3C validator