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Theorem ballotfilemsima 13242

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 5135	. . . . . 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 13240	. . . . . . . 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 5637	. . . . . . 7 ⊢ ((𝑆‘𝐶):(1...(𝑀 + 𝑁))–1-1-onto→(1...(𝑀 + 𝑁)) → (𝑆‘𝐶):(1...(𝑀 + 𝑁))⟶(1...(𝑀 + 𝑁)))
14		frn 5540	. . . . . . 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 3259	. . . . 5 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → ((𝑆‘𝐶) “ (1...𝐽)) ⊆ (1...(𝑀 + 𝑁)))
17		fzssuz 10454	. . . . . 6 ⊢ (1...(𝑀 + 𝑁)) ⊆ (ℤ_≥‘1)
18		uzssz 9925	. . . . . 6 ⊢ (ℤ_≥‘1) ⊆ ℤ
19	17, 18	sstri 3257	. . . . 5 ⊢ (1...(𝑀 + 𝑁)) ⊆ ℤ
20	16, 19	sstrdi 3260	. . . 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 3248	. 2 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ((𝑆‘𝐶) “ (1...𝐽))) → 𝑘 ∈ ℤ)
23		elfzelz 10411	. . 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 5638	. . . . . . 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 13227	. . . . . . . . . 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 10408	. . . . . . . 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 10408	. . . . . . . 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 9922	. . . . . . 7 ⊢ (((𝑀 + 𝑁) ∈ (ℤ_≥‘(𝐼‘𝐶)) ∧ (𝐼‘𝐶) ∈ (ℤ_≥‘𝐽)) → (𝑀 + 𝑁) ∈ (ℤ_≥‘𝐽))
36	32, 34, 35	syl2anc 415	. . . . . 6 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (𝑀 + 𝑁) ∈ (ℤ_≥‘𝐽))
37		fzss2 10453	. . . . . 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 5756	. . . . 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 415	. . . 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 9654	. . . . . . . . . . 11 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → 1 ∈ ℤ)
43	2	nnzi 9648	. . . . . . . . . . . . 13 ⊢ 𝑀 ∈ ℤ
44	3	nnzi 9648	. . . . . . . . . . . . 13 ⊢ 𝑁 ∈ ℤ
45		zaddcl 9667	. . . . . . . . . . . . 13 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 + 𝑁) ∈ ℤ)
46	43, 44, 45	mp2an 430	. . . . . . . . . . . 12 ⊢ (𝑀 + 𝑁) ∈ ℤ
47	46	a1i 9	. . . . . . . . . . 11 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (𝑀 + 𝑁) ∈ ℤ)
48		elfzelz 10411	. . . . . . . . . . . 12 ⊢ (𝐽 ∈ (1...(𝐼‘𝐶)) → 𝐽 ∈ ℤ)
49	48	adantl 277	. . . . . . . . . . 11 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → 𝐽 ∈ ℤ)
50		elfzle1 10414	. . . . . . . . . . . 12 ⊢ (𝐽 ∈ (1...(𝐼‘𝐶)) → 1 ≤ 𝐽)
51	50	adantl 277	. . . . . . . . . . 11 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → 1 ≤ 𝐽)
52	49	zred 9751	. . . . . . . . . . . 12 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → 𝐽 ∈ ℝ)
53		elfzelz 10411	. . . . . . . . . . . . . . 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 9751	. . . . . . . . . . . 12 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (𝐼‘𝐶) ∈ ℝ)
57	47	zred 9751	. . . . . . . . . . . 12 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (𝑀 + 𝑁) ∈ ℝ)
58		elfzle2 10415	. . . . . . . . . . . . 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 10415	. . . . . . . . . . . . . 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 8444	. . . . . . . . . . 11 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → 𝐽 ≤ (𝑀 + 𝑁))
64	42, 47, 49, 51, 63	elfzd 10402	. . . . . . . . . 10 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → 𝐽 ∈ (1...(𝑀 + 𝑁)))
65	2, 3, 4, 5, 6, 7, 8, 9, 10	ballotfilemsv 13236	. . . . . . . . . 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 3645	. . . . . . . . . 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 2271	. . . . . . . 8 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → ((𝑆‘𝐶)‘𝐽) = (((𝐼‘𝐶) + 1) − 𝐽))
71	70	oveq1d 6094	. . . . . . 7 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) → (((𝑆‘𝐶)‘𝐽)...(𝐼‘𝐶)) = ((((𝐼‘𝐶) + 1) − 𝐽)...(𝐼‘𝐶)))
72	71	eleq2d 2308	. . . . . 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 492	. . . . . . . . 9 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → (𝐼‘𝐶) ∈ ℤ)
75	74	zcnd 9752	. . . . . . . 8 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → (𝐼‘𝐶) ∈ ℂ)
76		1cnd 8336	. . . . . . . 8 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → 1 ∈ ℂ)
77	75, 76	pncand 8632	. . . . . . 7 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → (((𝐼‘𝐶) + 1) − 1) = (𝐼‘𝐶))
78	77	oveq2d 6095	. . . . . 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 2308	. . . . 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 9654	. . . . . 6 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → 1 ∈ ℤ)
81	48	ad2antlr 493	. . . . . 6 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) → 𝐽 ∈ ℤ)
82	74	peano2zd 9754	. . . . . 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 10474	. . . . . 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 1279	. . . . 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 2578	. . . . 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 2240	. . . . . . 7 ⊢ ((((𝐼‘𝐶) + 1) − 𝑘) = 𝑗 ↔ 𝑗 = (((𝐼‘𝐶) + 1) − 𝑘))
90	54	ad2antrr 492	. . . . . . . . . . 11 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → (𝐼‘𝐶) ∈ ℤ)
91	90	adantlr 481	. . . . . . . . . 10 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → (𝐼‘𝐶) ∈ ℤ)
92	91	zcnd 9752	. . . . . . . . 9 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → (𝐼‘𝐶) ∈ ℂ)
93		1cnd 8336	. . . . . . . . 9 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → 1 ∈ ℂ)
94	92, 93	addcld 8339	. . . . . . . 8 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → ((𝐼‘𝐶) + 1) ∈ ℂ)
95		simplr 533	. . . . . . . . 9 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → 𝑘 ∈ ℤ)
96	95	zcnd 9752	. . . . . . . 8 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → 𝑘 ∈ ℂ)
97		elfzelz 10411	. . . . . . . . . 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 9752	. . . . . . . 8 ⊢ ((((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑘 ∈ ℤ) ∧ 𝑗 ∈ (1...𝐽)) → 𝑗 ∈ ℂ)
100		subsub23 8525	. . . . . . . 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 1278	. . . . . . 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 531	. . . . . . . . . 10 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → 𝐶 ∈ (𝑂 ∖ 𝐸))
104	38	sselda 3248	. . . . . . . . . 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 13236	. . . . . . . . . 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 415	. . . . . . . . 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 9751	. . . . . . . . . . 11 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → 𝑗 ∈ ℝ)
109	48	ad2antlr 493	. . . . . . . . . . . 12 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → 𝐽 ∈ ℤ)
110	109	zred 9751	. . . . . . . . . . 11 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → 𝐽 ∈ ℝ)
111	90	zred 9751	. . . . . . . . . . 11 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → (𝐼‘𝐶) ∈ ℝ)
112		elfzle2 10415	. . . . . . . . . . . 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 493	. . . . . . . . . . 11 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → 𝐽 ≤ (𝐼‘𝐶))
115	108, 110, 111, 113, 114	letrd 8444	. . . . . . . . . 10 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → 𝑗 ≤ (𝐼‘𝐶))
116		iftrue 3645	. . . . . . . . . 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 2271	. . . . . . . 8 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → ((𝑆‘𝐶)‘𝑗) = (((𝐼‘𝐶) + 1) − 𝑗))
119	118	eqeq1d 2247	. . . . . . 7 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 𝐽 ∈ (1...(𝐼‘𝐶))) ∧ 𝑗 ∈ (1...𝐽)) → (((𝑆‘𝐶)‘𝑗) = 𝑘 ↔ (((𝐼‘𝐶) + 1) − 𝑗) = 𝑘))
120	119	adantlr 481	. . . . . 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 2547	. . . 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 2237	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 1402 ∈ wcel 2209 ∀wral 2528 ∃wrex 2529 {crab 2532 ∖ cdif 3217 ∩ cin 3219 ⊆ wss 3220 ifcif 3638 𝒫 cpw 3688 class class class wbr 4128 ↦ cmpt 4190 ^◡ccnv 4771 ran crn 4773 “ cima 4775 Fn wfn 5370 ⟶wf 5371 –1-1-onto→wf1o 5374 ‘cfv 5375 (class class class)co 6079 Fincfn 7016 infcinf 7317 ℂcc 8171 ℝcr 8172 0cc0 8173 1c1 8174 + caddc 8176 < clt 8354 ≤ cle 8355 − cmin 8491 / cdiv 8996 ℕcn 9287 ℤcz 9627 ℤ_≥cuz 9904 ...cfz 10394 ♯chash 11197

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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4244 ax-sep 4247 ax-nul 4257 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-iinf 4733 ax-cnex 8264 ax-resscn 8265 ax-1cn 8266 ax-1re 8267 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-mulrcl 8272 ax-addcom 8273 ax-mulcom 8274 ax-addass 8275 ax-mulass 8276 ax-distr 8277 ax-i2m1 8278 ax-0lt1 8279 ax-1rid 8280 ax-0id 8281 ax-rnegex 8282 ax-precex 8283 ax-cnre 8284 ax-pre-ltirr 8285 ax-pre-ltwlin 8286 ax-pre-lttrn 8287 ax-pre-apti 8288 ax-pre-ltadd 8289 ax-pre-mulgt0 8290 ax-pre-mulext 8291

This theorem depends on definitions: df-bi 117 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3639 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-iun 4012 df-br 4129 df-opab 4191 df-mpt 4192 df-tr 4228 df-id 4436 df-po 4439 df-iso 4440 df-iord 4509 df-on 4511 df-ilim 4512 df-suc 4514 df-iom 4736 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-f1 5380 df-fo 5381 df-f1o 5382 df-fv 5383 df-isom 5384 df-riota 6032 df-ov 6082 df-oprab 6083 df-mpo 6084 df-1st 6368 df-2nd 6369 df-recs 6570 df-irdg 6635 df-frec 6656 df-1o 6681 df-oadd 6685 df-er 6801 df-en 7017 df-dom 7018 df-fin 7019 df-sup 7318 df-inf 7319 df-pnf 8356 df-mnf 8357 df-xr 8358 df-ltxr 8359 df-le 8360 df-sub 8493 df-neg 8494 df-reap 8897 df-ap 8904 df-div 8997 df-inn 9288 df-2 9346 df-n0 9547 df-z 9628 df-uz 9905 df-q 10003 df-rp 10038 df-fz 10395 df-fzo 10533 df-ihash 11198

This theorem is referenced by: ballotfilemfrc 13253

W3C validator