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

Theorem ballotlemfcc 35119
Description: 𝐹 takes value 0 between positive and negative values. (Contributed by Thierry Arnoux, 2-Apr-2017.)
Hypotheses
Ref Expression
ballotth.m 𝑀 ∈ ℕ
ballotth.n 𝑁 ∈ ℕ
ballotth.o 𝑂 = {𝑐 ∈ 𝒫 (1...(𝑀 + 𝑁)) ∣ (♯‘𝑐) = 𝑀}
ballotth.p 𝑃 = (𝑥 ∈ 𝒫 𝑂 ↦ ((♯‘𝑥) / (♯‘𝑂)))
ballotth.f 𝐹 = (𝑐 ∈ 𝑂 ↦ (𝑖 ∈ ℤ ↦ ((♯‘((1...𝑖) ∩ 𝑐)) − (♯‘((1...𝑖) ∖ 𝑐)))))
ballotlemfcc.c (𝜑 → 𝐶 ∈ 𝑂)
ballotlemfcc.j (𝜑 → 𝐽 ∈ ℕ)
ballotlemfcc.3 (𝜑 → ∃𝑖 ∈ (1...𝐽)0 ≤ ((𝐹‘𝐶)‘𝑖))
ballotlemfcc.4 (𝜑 → ((𝐹‘𝐶)‘𝐽) < 0)
Assertion
Ref Expression
ballotlemfcc (𝜑 → ∃𝑘 ∈ (1...𝐽)((𝐹‘𝐶)‘𝑘) = 0)
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,𝐹   𝐶,𝑖   𝑖,𝐽   𝜑,𝑖,𝑘   𝑘,𝐽   𝐶,𝑘   𝜑,𝑘
Allowed substitution hints:   𝜑(𝑥, 𝑐)   𝐶(𝑥, 𝑐)   𝑃(𝑥, 𝑖, 𝑘, 𝑐)   𝐹(𝑥)   𝐽(𝑥, 𝑐)   𝑀(𝑥)   𝑁(𝑥)   𝑂(𝑥)

Proof of Theorem ballotlemfcc
Dummy variable 𝑗 is distinct from all other variables.
StepHypRef Expression
1 fveq2 6883 . . . . . . 7 (𝑖 = 𝑘 → ((𝐹‘𝐶)‘𝑖) = ((𝐹‘𝐶)‘𝑘))
21breq2d 5115 . . . . . 6 (𝑖 = 𝑘 → (0 ≤ ((𝐹‘𝐶)‘𝑖) ↔ 0 ≤ ((𝐹‘𝐶)‘𝑘)))
32elrab 3645 . . . . 5 (𝑘 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ↔ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)))
43anbi1i 636 . . . 4 ((𝑘 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘) ↔ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘))
5 simprl 783 . . . . . . . . . 10 ((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) → 𝑘 ∈ (1...𝐽))
65adantrr 730 . . . . . . . . 9 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → 𝑘 ∈ (1...𝐽))
7 fzssuz 13692 . . . . . . . . . . . . . 14 (1...𝐽) ⊆ (ℤ≥‘1)
8 uzssz 12979 . . . . . . . . . . . . . 14 (ℤ≥‘1) ⊆ ℤ
97, 8sstri 3940 . . . . . . . . . . . . 13 (1...𝐽) ⊆ ℤ
10 zssre 12693 . . . . . . . . . . . . 13 ℤ ⊆ ℝ
119, 10sstri 3940 . . . . . . . . . . . 12 (1...𝐽) ⊆ ℝ
1211sseli 3927 . . . . . . . . . . 11 (𝑘 ∈ (1...𝐽) → 𝑘 ∈ ℝ)
1312ltp1d 12240 . . . . . . . . . 10 (𝑘 ∈ (1...𝐽) → 𝑘 < (𝑘 + 1))
14 1red 11302 . . . . . . . . . . . 12 (𝑘 ∈ (1...𝐽) → 1 ∈ ℝ)
1512, 14readdcld 11331 . . . . . . . . . . 11 (𝑘 ∈ (1...𝐽) → (𝑘 + 1) ∈ ℝ)
1612, 15ltnled 11450 . . . . . . . . . 10 (𝑘 ∈ (1...𝐽) → (𝑘 < (𝑘 + 1) ↔ ¬ (𝑘 + 1) ≤ 𝑘))
1713, 16mpbid 235 . . . . . . . . 9 (𝑘 ∈ (1...𝐽) → ¬ (𝑘 + 1) ≤ 𝑘)
186, 17syl 18 . . . . . . . 8 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → ¬ (𝑘 + 1) ≤ 𝑘)
19 simprr 785 . . . . . . . . 9 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)
20 ballotlemfcc.4 . . . . . . . . . . . . . . . 16 (𝜑 → ((𝐹‘𝐶)‘𝐽) < 0)
2120adantr 486 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑘 = 𝐽) → ((𝐹‘𝐶)‘𝐽) < 0)
22 simpr 490 . . . . . . . . . . . . . . . . . 18 ((𝜑 ∧ 𝑘 = 𝐽) → 𝑘 = 𝐽)
2322fveq2d 6887 . . . . . . . . . . . . . . . . 17 ((𝜑 ∧ 𝑘 = 𝐽) → ((𝐹‘𝐶)‘𝑘) = ((𝐹‘𝐶)‘𝐽))
2423breq1d 5113 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑘 = 𝐽) → (((𝐹‘𝐶)‘𝑘) < 0 ↔ ((𝐹‘𝐶)‘𝐽) < 0))
25 ballotlemfcc.j . . . . . . . . . . . . . . . . . . . . . 22 (𝜑 → 𝐽 ∈ ℕ)
26 elnnuz 12998 . . . . . . . . . . . . . . . . . . . . . 22 (𝐽 ∈ ℕ ↔ 𝐽 ∈ (ℤ≥‘1))
2725, 26sylib 221 . . . . . . . . . . . . . . . . . . . . 21 (𝜑 → 𝐽 ∈ (ℤ≥‘1))
28 eluzfz2 13658 . . . . . . . . . . . . . . . . . . . . 21 (𝐽 ∈ (ℤ≥‘1) → 𝐽 ∈ (1...𝐽))
2927, 28syl 18 . . . . . . . . . . . . . . . . . . . 20 (𝜑 → 𝐽 ∈ (1...𝐽))
30 eleq1 2849 . . . . . . . . . . . . . . . . . . . 20 (𝑘 = 𝐽 → (𝑘 ∈ (1...𝐽) ↔ 𝐽 ∈ (1...𝐽)))
3129, 30syl5ibrcom 250 . . . . . . . . . . . . . . . . . . 19 (𝜑 → (𝑘 = 𝐽 → 𝑘 ∈ (1...𝐽)))
3231anc2li 565 . . . . . . . . . . . . . . . . . 18 (𝜑 → (𝑘 = 𝐽 → (𝜑 ∧ 𝑘 ∈ (1...𝐽))))
33 1eluzge0 13000 . . . . . . . . . . . . . . . . . . . 20 1 ∈ (ℤ≥‘0)
34 fzss1 13690 . . . . . . . . . . . . . . . . . . . . 21 (1 ∈ (ℤ≥‘0) → (1...𝐽) ⊆ (0...𝐽))
3534sseld 3930 . . . . . . . . . . . . . . . . . . . 20 (1 ∈ (ℤ≥‘0) → (𝑘 ∈ (1...𝐽) → 𝑘 ∈ (0...𝐽)))
3633, 35ax-mp 5 . . . . . . . . . . . . . . . . . . 19 (𝑘 ∈ (1...𝐽) → 𝑘 ∈ (0...𝐽))
37 ballotth.m . . . . . . . . . . . . . . . . . . . . . 22 𝑀 ∈ ℕ
38 ballotth.n . . . . . . . . . . . . . . . . . . . . . 22 𝑁 ∈ ℕ
39 ballotth.o . . . . . . . . . . . . . . . . . . . . . 22 𝑂 = {𝑐 ∈ 𝒫 (1...(𝑀 + 𝑁)) ∣ (♯‘𝑐) = 𝑀}
40 ballotth.p . . . . . . . . . . . . . . . . . . . . . 22 𝑃 = (𝑥 ∈ 𝒫 𝑂 ↦ ((♯‘𝑥) / (♯‘𝑂)))
41 ballotth.f . . . . . . . . . . . . . . . . . . . . . 22 𝐹 = (𝑐 ∈ 𝑂 ↦ (𝑖 ∈ ℤ ↦ ((♯‘((1...𝑖) ∩ 𝑐)) − (♯‘((1...𝑖) ∖ 𝑐)))))
42 ballotlemfcc.c . . . . . . . . . . . . . . . . . . . . . . 23 (𝜑 → 𝐶 ∈ 𝑂)
4342adantr 486 . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 𝐶 ∈ 𝑂)
44 elfzelz 13649 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑘 ∈ (0...𝐽) → 𝑘 ∈ ℤ)
4544adantl 487 . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 𝑘 ∈ ℤ)
4637, 38, 39, 40, 41, 43, 45ballotlemfelz 35116 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝐹‘𝐶)‘𝑘) ∈ ℤ)
4746zred 12796 . . . . . . . . . . . . . . . . . . . 20 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → ((𝐹‘𝐶)‘𝑘) ∈ ℝ)
48 0red 11304 . . . . . . . . . . . . . . . . . . . 20 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → 0 ∈ ℝ)
4947, 48ltnled 11450 . . . . . . . . . . . . . . . . . . 19 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (((𝐹‘𝐶)‘𝑘) < 0 ↔ ¬ 0 ≤ ((𝐹‘𝐶)‘𝑘)))
5036, 49sylan2 605 . . . . . . . . . . . . . . . . . 18 ((𝜑 ∧ 𝑘 ∈ (1...𝐽)) → (((𝐹‘𝐶)‘𝑘) < 0 ↔ ¬ 0 ≤ ((𝐹‘𝐶)‘𝑘)))
5132, 50syl6 36 . . . . . . . . . . . . . . . . 17 (𝜑 → (𝑘 = 𝐽 → (((𝐹‘𝐶)‘𝑘) < 0 ↔ ¬ 0 ≤ ((𝐹‘𝐶)‘𝑘))))
5251imp 412 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑘 = 𝐽) → (((𝐹‘𝐶)‘𝑘) < 0 ↔ ¬ 0 ≤ ((𝐹‘𝐶)‘𝑘)))
5324, 52bitr3d 284 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑘 = 𝐽) → (((𝐹‘𝐶)‘𝐽) < 0 ↔ ¬ 0 ≤ ((𝐹‘𝐶)‘𝑘)))
5421, 53mpbid 235 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑘 = 𝐽) → ¬ 0 ≤ ((𝐹‘𝐶)‘𝑘))
5554ex 418 . . . . . . . . . . . . 13 (𝜑 → (𝑘 = 𝐽 → ¬ 0 ≤ ((𝐹‘𝐶)‘𝑘)))
5655con2d 135 . . . . . . . . . . . 12 (𝜑 → (0 ≤ ((𝐹‘𝐶)‘𝑘) → ¬ 𝑘 = 𝐽))
57 nn1m1nn 12349 . . . . . . . . . . . . . . . . . . . . 21 (𝐽 ∈ ℕ → (𝐽 = 1 ∨ (𝐽 − 1) ∈ ℕ))
5825, 57syl 18 . . . . . . . . . . . . . . . . . . . 20 (𝜑 → (𝐽 = 1 ∨ (𝐽 − 1) ∈ ℕ))
59 ballotlemfcc.3 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝜑 → ∃𝑖 ∈ (1...𝐽)0 ≤ ((𝐹‘𝐶)‘𝑖))
6059adantr 486 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝜑 ∧ 𝐽 = 1) → ∃𝑖 ∈ (1...𝐽)0 ≤ ((𝐹‘𝐶)‘𝑖))
61 oveq1 7425 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (𝐽 = 1 → (𝐽...𝐽) = (1...𝐽))
6261adantl 487 . . . . . . . . . . . . . . . . . . . . . . . . . 26 ((𝜑 ∧ 𝐽 = 1) → (𝐽...𝐽) = (1...𝐽))
6325nnzd 12712 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (𝜑 → 𝐽 ∈ ℤ)
64 fzsn 13693 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (𝐽 ∈ ℤ → (𝐽...𝐽) = {𝐽})
6563, 64syl 18 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (𝜑 → (𝐽...𝐽) = {𝐽})
6665adantr 486 . . . . . . . . . . . . . . . . . . . . . . . . . 26 ((𝜑 ∧ 𝐽 = 1) → (𝐽...𝐽) = {𝐽})
6762, 66eqtr3d 2798 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝜑 ∧ 𝐽 = 1) → (1...𝐽) = {𝐽})
6860, 67rexeqtrdv 3323 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝜑 ∧ 𝐽 = 1) → ∃𝑖 ∈ {𝐽}0 ≤ ((𝐹‘𝐶)‘𝑖))
69 fveq2 6883 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (𝑖 = 𝐽 → ((𝐹‘𝐶)‘𝑖) = ((𝐹‘𝐶)‘𝐽))
7069breq2d 5115 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (𝑖 = 𝐽 → (0 ≤ ((𝐹‘𝐶)‘𝑖) ↔ 0 ≤ ((𝐹‘𝐶)‘𝐽)))
7170rexsng 4637 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝐽 ∈ ℕ → (∃𝑖 ∈ {𝐽}0 ≤ ((𝐹‘𝐶)‘𝑖) ↔ 0 ≤ ((𝐹‘𝐶)‘𝐽)))
7225, 71syl 18 . . . . . . . . . . . . . . . . . . . . . . . . 25 (𝜑 → (∃𝑖 ∈ {𝐽}0 ≤ ((𝐹‘𝐶)‘𝑖) ↔ 0 ≤ ((𝐹‘𝐶)‘𝐽)))
7372adantr 486 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝜑 ∧ 𝐽 = 1) → (∃𝑖 ∈ {𝐽}0 ≤ ((𝐹‘𝐶)‘𝑖) ↔ 0 ≤ ((𝐹‘𝐶)‘𝐽)))
7468, 73mpbid 235 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝜑 ∧ 𝐽 = 1) → 0 ≤ ((𝐹‘𝐶)‘𝐽))
7520adantr 486 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝜑 ∧ 𝐽 = 1) → ((𝐹‘𝐶)‘𝐽) < 0)
7637, 38, 39, 40, 41, 42, 63ballotlemfelz 35116 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (𝜑 → ((𝐹‘𝐶)‘𝐽) ∈ ℤ)
7776zred 12796 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝜑 → ((𝐹‘𝐶)‘𝐽) ∈ ℝ)
78 0red 11304 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝜑 → 0 ∈ ℝ)
7977, 78ltnled 11450 . . . . . . . . . . . . . . . . . . . . . . . . 25 (𝜑 → (((𝐹‘𝐶)‘𝐽) < 0 ↔ ¬ 0 ≤ ((𝐹‘𝐶)‘𝐽)))
8079adantr 486 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝜑 ∧ 𝐽 = 1) → (((𝐹‘𝐶)‘𝐽) < 0 ↔ ¬ 0 ≤ ((𝐹‘𝐶)‘𝐽)))
8175, 80mpbid 235 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝜑 ∧ 𝐽 = 1) → ¬ 0 ≤ ((𝐹‘𝐶)‘𝐽))
8274, 81pm2.65da 829 . . . . . . . . . . . . . . . . . . . . . 22 (𝜑 → ¬ 𝐽 = 1)
83 biortn 951 . . . . . . . . . . . . . . . . . . . . . 22 (¬ 𝐽 = 1 → ((𝐽 − 1) ∈ ℕ ↔ (¬ ¬ 𝐽 = 1 ∨ (𝐽 − 1) ∈ ℕ)))
8482, 83syl 18 . . . . . . . . . . . . . . . . . . . . 21 (𝜑 → ((𝐽 − 1) ∈ ℕ ↔ (¬ ¬ 𝐽 = 1 ∨ (𝐽 − 1) ∈ ℕ)))
85 notnotb 318 . . . . . . . . . . . . . . . . . . . . . 22 (𝐽 = 1 ↔ ¬ ¬ 𝐽 = 1)
8685orbi1i 927 . . . . . . . . . . . . . . . . . . . . 21 ((𝐽 = 1 ∨ (𝐽 − 1) ∈ ℕ) ↔ (¬ ¬ 𝐽 = 1 ∨ (𝐽 − 1) ∈ ℕ))
8784, 86bitr4di 292 . . . . . . . . . . . . . . . . . . . 20 (𝜑 → ((𝐽 − 1) ∈ ℕ ↔ (𝐽 = 1 ∨ (𝐽 − 1) ∈ ℕ)))
8858, 87mpbird 260 . . . . . . . . . . . . . . . . . . 19 (𝜑 → (𝐽 − 1) ∈ ℕ)
89 elnnuz 12998 . . . . . . . . . . . . . . . . . . 19 ((𝐽 − 1) ∈ ℕ ↔ (𝐽 − 1) ∈ (ℤ≥‘1))
9088, 89sylib 221 . . . . . . . . . . . . . . . . . 18 (𝜑 → (𝐽 − 1) ∈ (ℤ≥‘1))
91 elfzp1 13701 . . . . . . . . . . . . . . . . . 18 ((𝐽 − 1) ∈ (ℤ≥‘1) → (𝑘 ∈ (1...((𝐽 − 1) + 1)) ↔ (𝑘 ∈ (1...(𝐽 − 1)) ∨ 𝑘 = ((𝐽 − 1) + 1))))
9290, 91syl 18 . . . . . . . . . . . . . . . . 17 (𝜑 → (𝑘 ∈ (1...((𝐽 − 1) + 1)) ↔ (𝑘 ∈ (1...(𝐽 − 1)) ∨ 𝑘 = ((𝐽 − 1) + 1))))
9325nncnd 12344 . . . . . . . . . . . . . . . . . . . 20 (𝜑 → 𝐽 ∈ ℂ)
94 1cnd 11295 . . . . . . . . . . . . . . . . . . . 20 (𝜑 → 1 ∈ ℂ)
9593, 94npcand 11666 . . . . . . . . . . . . . . . . . . 19 (𝜑 → ((𝐽 − 1) + 1) = 𝐽)
9695oveq2d 7434 . . . . . . . . . . . . . . . . . 18 (𝜑 → (1...((𝐽 − 1) + 1)) = (1...𝐽))
9796eleq2d 2847 . . . . . . . . . . . . . . . . 17 (𝜑 → (𝑘 ∈ (1...((𝐽 − 1) + 1)) ↔ 𝑘 ∈ (1...𝐽)))
9895eqeq2d 2772 . . . . . . . . . . . . . . . . . 18 (𝜑 → (𝑘 = ((𝐽 − 1) + 1) ↔ 𝑘 = 𝐽))
9998orbi2d 929 . . . . . . . . . . . . . . . . 17 (𝜑 → ((𝑘 ∈ (1...(𝐽 − 1)) ∨ 𝑘 = ((𝐽 − 1) + 1)) ↔ (𝑘 ∈ (1...(𝐽 − 1)) ∨ 𝑘 = 𝐽)))
10092, 97, 993bitr3d 312 . . . . . . . . . . . . . . . 16 (𝜑 → (𝑘 ∈ (1...𝐽) ↔ (𝑘 ∈ (1...(𝐽 − 1)) ∨ 𝑘 = 𝐽)))
101 orcom 884 . . . . . . . . . . . . . . . 16 ((𝑘 ∈ (1...(𝐽 − 1)) ∨ 𝑘 = 𝐽) ↔ (𝑘 = 𝐽 ∨ 𝑘 ∈ (1...(𝐽 − 1))))
102100, 101bitrdi 290 . . . . . . . . . . . . . . 15 (𝜑 → (𝑘 ∈ (1...𝐽) ↔ (𝑘 = 𝐽 ∨ 𝑘 ∈ (1...(𝐽 − 1)))))
103102biimpd 232 . . . . . . . . . . . . . 14 (𝜑 → (𝑘 ∈ (1...𝐽) → (𝑘 = 𝐽 ∨ 𝑘 ∈ (1...(𝐽 − 1)))))
104 pm5.6 1017 . . . . . . . . . . . . . 14 (((𝑘 ∈ (1...𝐽) ∧ ¬ 𝑘 = 𝐽) → 𝑘 ∈ (1...(𝐽 − 1))) ↔ (𝑘 ∈ (1...𝐽) → (𝑘 = 𝐽 ∨ 𝑘 ∈ (1...(𝐽 − 1)))))
105103, 104sylibr 237 . . . . . . . . . . . . 13 (𝜑 → ((𝑘 ∈ (1...𝐽) ∧ ¬ 𝑘 = 𝐽) → 𝑘 ∈ (1...(𝐽 − 1))))
10688nnzd 12712 . . . . . . . . . . . . . . . . . . 19 (𝜑 → (𝐽 − 1) ∈ ℤ)
107 1z 12719 . . . . . . . . . . . . . . . . . . 19 1 ∈ ℤ
108106, 107jctil 529 . . . . . . . . . . . . . . . . . 18 (𝜑 → (1 ∈ ℤ ∧ (𝐽 − 1) ∈ ℤ))
109 elfzelz 13649 . . . . . . . . . . . . . . . . . . 19 (𝑘 ∈ (1...(𝐽 − 1)) → 𝑘 ∈ ℤ)
110109, 107jctir 530 . . . . . . . . . . . . . . . . . 18 (𝑘 ∈ (1...(𝐽 − 1)) → (𝑘 ∈ ℤ ∧ 1 ∈ ℤ))
111 fzaddel 13685 . . . . . . . . . . . . . . . . . 18 (((1 ∈ ℤ ∧ (𝐽 − 1) ∈ ℤ) ∧ (𝑘 ∈ ℤ ∧ 1 ∈ ℤ)) → (𝑘 ∈ (1...(𝐽 − 1)) ↔ (𝑘 + 1) ∈ ((1 + 1)...((𝐽 − 1) + 1))))
112108, 110, 111syl2an 608 . . . . . . . . . . . . . . . . 17 ((𝜑 ∧ 𝑘 ∈ (1...(𝐽 − 1))) → (𝑘 ∈ (1...(𝐽 − 1)) ↔ (𝑘 + 1) ∈ ((1 + 1)...((𝐽 − 1) + 1))))
113112biimp3a 1498 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑘 ∈ (1...(𝐽 − 1)) ∧ 𝑘 ∈ (1...(𝐽 − 1))) → (𝑘 + 1) ∈ ((1 + 1)...((𝐽 − 1) + 1)))
1141133anidm23 1448 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑘 ∈ (1...(𝐽 − 1))) → (𝑘 + 1) ∈ ((1 + 1)...((𝐽 − 1) + 1)))
115 1p1e2 12459 . . . . . . . . . . . . . . . . . . . 20 (1 + 1) = 2
116115a1i 11 . . . . . . . . . . . . . . . . . . 19 (𝜑 → (1 + 1) = 2)
117116, 95oveq12d 7436 . . . . . . . . . . . . . . . . . 18 (𝜑 → ((1 + 1)...((𝐽 − 1) + 1)) = (2...𝐽))
118117eleq2d 2847 . . . . . . . . . . . . . . . . 17 (𝜑 → ((𝑘 + 1) ∈ ((1 + 1)...((𝐽 − 1) + 1)) ↔ (𝑘 + 1) ∈ (2...𝐽)))
119 2eluzge1 13002 . . . . . . . . . . . . . . . . . . 19 2 ∈ (ℤ≥‘1)
120 fzss1 13690 . . . . . . . . . . . . . . . . . . 19 (2 ∈ (ℤ≥‘1) → (2...𝐽) ⊆ (1...𝐽))
121119, 120ax-mp 5 . . . . . . . . . . . . . . . . . 18 (2...𝐽) ⊆ (1...𝐽)
122121sseli 3927 . . . . . . . . . . . . . . . . 17 ((𝑘 + 1) ∈ (2...𝐽) → (𝑘 + 1) ∈ (1...𝐽))
123118, 122biimtrdi 256 . . . . . . . . . . . . . . . 16 (𝜑 → ((𝑘 + 1) ∈ ((1 + 1)...((𝐽 − 1) + 1)) → (𝑘 + 1) ∈ (1...𝐽)))
124123adantr 486 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑘 ∈ (1...(𝐽 − 1))) → ((𝑘 + 1) ∈ ((1 + 1)...((𝐽 − 1) + 1)) → (𝑘 + 1) ∈ (1...𝐽)))
125114, 124mpd 16 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑘 ∈ (1...(𝐽 − 1))) → (𝑘 + 1) ∈ (1...𝐽))
126125ex 418 . . . . . . . . . . . . 13 (𝜑 → (𝑘 ∈ (1...(𝐽 − 1)) → (𝑘 + 1) ∈ (1...𝐽)))
127105, 126syld 48 . . . . . . . . . . . 12 (𝜑 → ((𝑘 ∈ (1...𝐽) ∧ ¬ 𝑘 = 𝐽) → (𝑘 + 1) ∈ (1...𝐽)))
12856, 127sylan2d 617 . . . . . . . . . . 11 (𝜑 → ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) → (𝑘 + 1) ∈ (1...𝐽)))
129128imp 412 . . . . . . . . . 10 ((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) → (𝑘 + 1) ∈ (1...𝐽))
130129adantrr 730 . . . . . . . . 9 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → (𝑘 + 1) ∈ (1...𝐽))
131 fveq2 6883 . . . . . . . . . . . . . 14 (𝑖 = (𝑘 + 1) → ((𝐹‘𝐶)‘𝑖) = ((𝐹‘𝐶)‘(𝑘 + 1)))
132131breq2d 5115 . . . . . . . . . . . . 13 (𝑖 = (𝑘 + 1) → (0 ≤ ((𝐹‘𝐶)‘𝑖) ↔ 0 ≤ ((𝐹‘𝐶)‘(𝑘 + 1))))
133132elrab 3645 . . . . . . . . . . . 12 ((𝑘 + 1) ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ↔ ((𝑘 + 1) ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘(𝑘 + 1))))
134 breq1 5106 . . . . . . . . . . . . 13 (𝑗 = (𝑘 + 1) → (𝑗 ≤ 𝑘 ↔ (𝑘 + 1) ≤ 𝑘))
135134rspccva 3576 . . . . . . . . . . . 12 ((∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘 ∧ (𝑘 + 1) ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}) → (𝑘 + 1) ≤ 𝑘)
136133, 135sylan2br 607 . . . . . . . . . . 11 ((∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘 ∧ ((𝑘 + 1) ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘(𝑘 + 1)))) → (𝑘 + 1) ≤ 𝑘)
137136expr 462 . . . . . . . . . 10 ((∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘 ∧ (𝑘 + 1) ∈ (1...𝐽)) → (0 ≤ ((𝐹‘𝐶)‘(𝑘 + 1)) → (𝑘 + 1) ≤ 𝑘))
138137con3d 153 . . . . . . . . 9 ((∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘 ∧ (𝑘 + 1) ∈ (1...𝐽)) → (¬ (𝑘 + 1) ≤ 𝑘 → ¬ 0 ≤ ((𝐹‘𝐶)‘(𝑘 + 1))))
13919, 130, 138syl2anc 596 . . . . . . . 8 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → (¬ (𝑘 + 1) ≤ 𝑘 → ¬ 0 ≤ ((𝐹‘𝐶)‘(𝑘 + 1))))
14018, 139mpd 16 . . . . . . 7 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → ¬ 0 ≤ ((𝐹‘𝐶)‘(𝑘 + 1)))
141 simplrr 790 . . . . . . . . . . 11 (((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) ∧ (𝑘 + 1) ∈ 𝐶) → ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)
142130adantr 486 . . . . . . . . . . 11 (((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) ∧ (𝑘 + 1) ∈ 𝐶) → (𝑘 + 1) ∈ (1...𝐽))
143 0red 11304 . . . . . . . . . . . . 13 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ (𝑘 + 1) ∈ 𝐶) → 0 ∈ ℝ)
144 simpll 779 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ (𝑘 + 1) ∈ 𝐶) → 𝜑)
145129adantr 486 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ (𝑘 + 1) ∈ 𝐶) → (𝑘 + 1) ∈ (1...𝐽))
14634sseld 3930 . . . . . . . . . . . . . . 15 (1 ∈ (ℤ≥‘0) → ((𝑘 + 1) ∈ (1...𝐽) → (𝑘 + 1) ∈ (0...𝐽)))
14733, 145, 146mpsyl 69 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ (𝑘 + 1) ∈ 𝐶) → (𝑘 + 1) ∈ (0...𝐽))
14842adantr 486 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ (𝑘 + 1) ∈ (0...𝐽)) → 𝐶 ∈ 𝑂)
149 elfzelz 13649 . . . . . . . . . . . . . . . . 17 ((𝑘 + 1) ∈ (0...𝐽) → (𝑘 + 1) ∈ ℤ)
150149adantl 487 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ (𝑘 + 1) ∈ (0...𝐽)) → (𝑘 + 1) ∈ ℤ)
15137, 38, 39, 40, 41, 148, 150ballotlemfelz 35116 . . . . . . . . . . . . . . 15 ((𝜑 ∧ (𝑘 + 1) ∈ (0...𝐽)) → ((𝐹‘𝐶)‘(𝑘 + 1)) ∈ ℤ)
152151zred 12796 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝑘 + 1) ∈ (0...𝐽)) → ((𝐹‘𝐶)‘(𝑘 + 1)) ∈ ℝ)
153144, 147, 152syl2anc 596 . . . . . . . . . . . . 13 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ (𝑘 + 1) ∈ 𝐶) → ((𝐹‘𝐶)‘(𝑘 + 1)) ∈ ℝ)
154 simplrr 790 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ (𝑘 + 1) ∈ 𝐶) → 0 ≤ ((𝐹‘𝐶)‘𝑘))
1555adantr 486 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ (𝑘 + 1) ∈ 𝐶) → 𝑘 ∈ (1...𝐽))
156155, 36syl 18 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ (𝑘 + 1) ∈ 𝐶) → 𝑘 ∈ (0...𝐽))
157128imdistani 579 . . . . . . . . . . . . . . . . 17 ((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) → (𝜑 ∧ (𝑘 + 1) ∈ (1...𝐽)))
15842adantr 486 . . . . . . . . . . . . . . . . . . . 20 ((𝜑 ∧ (𝑘 + 1) ∈ (1...𝐽)) → 𝐶 ∈ 𝑂)
159 elfznn 13680 . . . . . . . . . . . . . . . . . . . . 21 ((𝑘 + 1) ∈ (1...𝐽) → (𝑘 + 1) ∈ ℕ)
160159adantl 487 . . . . . . . . . . . . . . . . . . . 20 ((𝜑 ∧ (𝑘 + 1) ∈ (1...𝐽)) → (𝑘 + 1) ∈ ℕ)
16137, 38, 39, 40, 41, 158, 160ballotlemfp1 35117 . . . . . . . . . . . . . . . . . . 19 ((𝜑 ∧ (𝑘 + 1) ∈ (1...𝐽)) → ((¬ (𝑘 + 1) ∈ 𝐶 → ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘((𝑘 + 1) − 1)) − 1)) ∧ ((𝑘 + 1) ∈ 𝐶 → ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘((𝑘 + 1) − 1)) + 1))))
162161simprd 501 . . . . . . . . . . . . . . . . . 18 ((𝜑 ∧ (𝑘 + 1) ∈ (1...𝐽)) → ((𝑘 + 1) ∈ 𝐶 → ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘((𝑘 + 1) − 1)) + 1)))
163162imp 412 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ (𝑘 + 1) ∈ (1...𝐽)) ∧ (𝑘 + 1) ∈ 𝐶) → ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘((𝑘 + 1) − 1)) + 1))
164157, 163sylan 592 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ (𝑘 + 1) ∈ 𝐶) → ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘((𝑘 + 1) − 1)) + 1))
165 elfzelz 13649 . . . . . . . . . . . . . . . . . . . . . 22 (𝑘 ∈ (1...𝐽) → 𝑘 ∈ ℤ)
166165zcnd 12797 . . . . . . . . . . . . . . . . . . . . 21 (𝑘 ∈ (1...𝐽) → 𝑘 ∈ ℂ)
167 1cnd 11295 . . . . . . . . . . . . . . . . . . . . 21 (𝑘 ∈ (1...𝐽) → 1 ∈ ℂ)
168166, 167pncand 11663 . . . . . . . . . . . . . . . . . . . 20 (𝑘 ∈ (1...𝐽) → ((𝑘 + 1) − 1) = 𝑘)
169168fveq2d 6887 . . . . . . . . . . . . . . . . . . 19 (𝑘 ∈ (1...𝐽) → ((𝐹‘𝐶)‘((𝑘 + 1) − 1)) = ((𝐹‘𝐶)‘𝑘))
170169oveq1d 7433 . . . . . . . . . . . . . . . . . 18 (𝑘 ∈ (1...𝐽) → (((𝐹‘𝐶)‘((𝑘 + 1) − 1)) + 1) = (((𝐹‘𝐶)‘𝑘) + 1))
171170eqeq2d 2772 . . . . . . . . . . . . . . . . 17 (𝑘 ∈ (1...𝐽) → (((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘((𝑘 + 1) − 1)) + 1) ↔ ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘𝑘) + 1)))
172155, 171syl 18 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ (𝑘 + 1) ∈ 𝐶) → (((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘((𝑘 + 1) − 1)) + 1) ↔ ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘𝑘) + 1)))
173164, 172mpbid 235 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ (𝑘 + 1) ∈ 𝐶) → ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘𝑘) + 1))
174 0z 12697 . . . . . . . . . . . . . . . . . 18 0 ∈ ℤ
175 zleltp1 12740 . . . . . . . . . . . . . . . . . 18 ((0 ∈ ℤ ∧ ((𝐹‘𝐶)‘𝑘) ∈ ℤ) → (0 ≤ ((𝐹‘𝐶)‘𝑘) ↔ 0 < (((𝐹‘𝐶)‘𝑘) + 1)))
176174, 46, 175sylancr 599 . . . . . . . . . . . . . . . . 17 ((𝜑 ∧ 𝑘 ∈ (0...𝐽)) → (0 ≤ ((𝐹‘𝐶)‘𝑘) ↔ 0 < (((𝐹‘𝐶)‘𝑘) + 1)))
177176adantr 486 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘𝑘) + 1)) → (0 ≤ ((𝐹‘𝐶)‘𝑘) ↔ 0 < (((𝐹‘𝐶)‘𝑘) + 1)))
178 breq2 5107 . . . . . . . . . . . . . . . . 17 (((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘𝑘) + 1) → (0 < ((𝐹‘𝐶)‘(𝑘 + 1)) ↔ 0 < (((𝐹‘𝐶)‘𝑘) + 1)))
179178adantl 487 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘𝑘) + 1)) → (0 < ((𝐹‘𝐶)‘(𝑘 + 1)) ↔ 0 < (((𝐹‘𝐶)‘𝑘) + 1)))
180177, 179bitr4d 285 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑘 ∈ (0...𝐽)) ∧ ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘𝑘) + 1)) → (0 ≤ ((𝐹‘𝐶)‘𝑘) ↔ 0 < ((𝐹‘𝐶)‘(𝑘 + 1))))
181144, 156, 173, 180syl21anc 851 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ (𝑘 + 1) ∈ 𝐶) → (0 ≤ ((𝐹‘𝐶)‘𝑘) ↔ 0 < ((𝐹‘𝐶)‘(𝑘 + 1))))
182154, 181mpbid 235 . . . . . . . . . . . . 13 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ (𝑘 + 1) ∈ 𝐶) → 0 < ((𝐹‘𝐶)‘(𝑘 + 1)))
183143, 153, 182ltled 11451 . . . . . . . . . . . 12 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ (𝑘 + 1) ∈ 𝐶) → 0 ≤ ((𝐹‘𝐶)‘(𝑘 + 1)))
184183adantlrr 734 . . . . . . . . . . 11 (((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) ∧ (𝑘 + 1) ∈ 𝐶) → 0 ≤ ((𝐹‘𝐶)‘(𝑘 + 1)))
185141, 142, 184, 136syl12anc 850 . . . . . . . . . 10 (((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) ∧ (𝑘 + 1) ∈ 𝐶) → (𝑘 + 1) ≤ 𝑘)
18618, 185mtand 828 . . . . . . . . 9 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → ¬ (𝑘 + 1) ∈ 𝐶)
187161simpld 500 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝑘 + 1) ∈ (1...𝐽)) → (¬ (𝑘 + 1) ∈ 𝐶 → ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘((𝑘 + 1) − 1)) − 1)))
188187imp 412 . . . . . . . . . . . 12 (((𝜑 ∧ (𝑘 + 1) ∈ (1...𝐽)) ∧ ¬ (𝑘 + 1) ∈ 𝐶) → ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘((𝑘 + 1) − 1)) − 1))
189157, 188sylan 592 . . . . . . . . . . 11 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ ¬ (𝑘 + 1) ∈ 𝐶) → ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘((𝑘 + 1) − 1)) − 1))
1905adantr 486 . . . . . . . . . . . 12 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ ¬ (𝑘 + 1) ∈ 𝐶) → 𝑘 ∈ (1...𝐽))
191169oveq1d 7433 . . . . . . . . . . . . 13 (𝑘 ∈ (1...𝐽) → (((𝐹‘𝐶)‘((𝑘 + 1) − 1)) − 1) = (((𝐹‘𝐶)‘𝑘) − 1))
192191eqeq2d 2772 . . . . . . . . . . . 12 (𝑘 ∈ (1...𝐽) → (((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘((𝑘 + 1) − 1)) − 1) ↔ ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘𝑘) − 1)))
193190, 192syl 18 . . . . . . . . . . 11 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ ¬ (𝑘 + 1) ∈ 𝐶) → (((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘((𝑘 + 1) − 1)) − 1) ↔ ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘𝑘) − 1)))
194189, 193mpbid 235 . . . . . . . . . 10 (((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) ∧ ¬ (𝑘 + 1) ∈ 𝐶) → ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘𝑘) − 1))
195194adantlrr 734 . . . . . . . . 9 (((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) ∧ ¬ (𝑘 + 1) ∈ 𝐶) → ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘𝑘) − 1))
196186, 195mpdan 700 . . . . . . . 8 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → ((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘𝑘) − 1))
197 breq2 5107 . . . . . . . . 9 (((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘𝑘) − 1) → (0 ≤ ((𝐹‘𝐶)‘(𝑘 + 1)) ↔ 0 ≤ (((𝐹‘𝐶)‘𝑘) − 1)))
198197notbid 321 . . . . . . . 8 (((𝐹‘𝐶)‘(𝑘 + 1)) = (((𝐹‘𝐶)‘𝑘) − 1) → (¬ 0 ≤ ((𝐹‘𝐶)‘(𝑘 + 1)) ↔ ¬ 0 ≤ (((𝐹‘𝐶)‘𝑘) − 1)))
199196, 198syl 18 . . . . . . 7 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → (¬ 0 ≤ ((𝐹‘𝐶)‘(𝑘 + 1)) ↔ ¬ 0 ≤ (((𝐹‘𝐶)‘𝑘) − 1)))
200140, 199mpbid 235 . . . . . 6 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → ¬ 0 ≤ (((𝐹‘𝐶)‘𝑘) − 1))
2015, 36syl 18 . . . . . . . . 9 ((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) → 𝑘 ∈ (0...𝐽))
202201, 46syldan 603 . . . . . . . 8 ((𝜑 ∧ (𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))) → ((𝐹‘𝐶)‘𝑘) ∈ ℤ)
203202adantrr 730 . . . . . . 7 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → ((𝐹‘𝐶)‘𝑘) ∈ ℤ)
204 zlem1lt 12741 . . . . . . . . 9 ((((𝐹‘𝐶)‘𝑘) ∈ ℤ ∧ 0 ∈ ℤ) → (((𝐹‘𝐶)‘𝑘) ≤ 0 ↔ (((𝐹‘𝐶)‘𝑘) − 1) < 0))
205174, 204mpan2 704 . . . . . . . 8 (((𝐹‘𝐶)‘𝑘) ∈ ℤ → (((𝐹‘𝐶)‘𝑘) ≤ 0 ↔ (((𝐹‘𝐶)‘𝑘) − 1) < 0))
206 zre 12690 . . . . . . . . . 10 (((𝐹‘𝐶)‘𝑘) ∈ ℤ → ((𝐹‘𝐶)‘𝑘) ∈ ℝ)
207 1red 11302 . . . . . . . . . 10 (((𝐹‘𝐶)‘𝑘) ∈ ℤ → 1 ∈ ℝ)
208206, 207resubcld 11737 . . . . . . . . 9 (((𝐹‘𝐶)‘𝑘) ∈ ℤ → (((𝐹‘𝐶)‘𝑘) − 1) ∈ ℝ)
209 0red 11304 . . . . . . . . 9 (((𝐹‘𝐶)‘𝑘) ∈ ℤ → 0 ∈ ℝ)
210208, 209ltnled 11450 . . . . . . . 8 (((𝐹‘𝐶)‘𝑘) ∈ ℤ → ((((𝐹‘𝐶)‘𝑘) − 1) < 0 ↔ ¬ 0 ≤ (((𝐹‘𝐶)‘𝑘) − 1)))
211205, 210bitrd 282 . . . . . . 7 (((𝐹‘𝐶)‘𝑘) ∈ ℤ → (((𝐹‘𝐶)‘𝑘) ≤ 0 ↔ ¬ 0 ≤ (((𝐹‘𝐶)‘𝑘) − 1)))
212203, 211syl 18 . . . . . 6 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → (((𝐹‘𝐶)‘𝑘) ≤ 0 ↔ ¬ 0 ≤ (((𝐹‘𝐶)‘𝑘) − 1)))
213200, 212mpbird 260 . . . . 5 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → ((𝐹‘𝐶)‘𝑘) ≤ 0)
214 simprlr 792 . . . . 5 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → 0 ≤ ((𝐹‘𝐶)‘𝑘))
215203zred 12796 . . . . . 6 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → ((𝐹‘𝐶)‘𝑘) ∈ ℝ)
216 0red 11304 . . . . . 6 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → 0 ∈ ℝ)
217215, 216letri3d 11445 . . . . 5 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → (((𝐹‘𝐶)‘𝑘) = 0 ↔ (((𝐹‘𝐶)‘𝑘) ≤ 0 ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘))))
218213, 214, 217mpbir2and 726 . . . 4 ((𝜑 ∧ ((𝑘 ∈ (1...𝐽) ∧ 0 ≤ ((𝐹‘𝐶)‘𝑘)) ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → ((𝐹‘𝐶)‘𝑘) = 0)
2194, 218sylan2b 606 . . 3 ((𝜑 ∧ (𝑘 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ∧ ∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)) → ((𝐹‘𝐶)‘𝑘) = 0)
220 ssrab2 4028 . . . . . 6 {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ⊆ (1...𝐽)
221220, 11sstri 3940 . . . . 5 {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ⊆ ℝ
222221a1i 11 . . . 4 (𝜑 → {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ⊆ ℝ)
223 fzfi 14108 . . . . . 6 (1...𝐽) ∈ Fin
224 ssfi 9181 . . . . . 6 (((1...𝐽) ∈ Fin ∧ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ⊆ (1...𝐽)) → {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ∈ Fin)
225223, 220, 224mp2an 705 . . . . 5 {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ∈ Fin
226225a1i 11 . . . 4 (𝜑 → {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ∈ Fin)
227 rabn0 4339 . . . . 5 ({𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ≠ ∅ ↔ ∃𝑖 ∈ (1...𝐽)0 ≤ ((𝐹‘𝐶)‘𝑖))
22859, 227sylibr 237 . . . 4 (𝜑 → {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ≠ ∅)
229 fimaxre 12254 . . . 4 (({𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ⊆ ℝ ∧ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ∈ Fin ∧ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ≠ ∅) → ∃𝑘 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)
230222, 226, 228, 229syl3anc 1398 . . 3 (𝜑 → ∃𝑘 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}∀𝑗 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)}𝑗 ≤ 𝑘)
231219, 230reximddv 3179 . 2 (𝜑 → ∃𝑘 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ((𝐹‘𝐶)‘𝑘) = 0)
232 elrabi 3641 . . . 4 (𝑘 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} → 𝑘 ∈ (1...𝐽))
233232anim1i 627 . . 3 ((𝑘 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ∧ ((𝐹‘𝐶)‘𝑘) = 0) → (𝑘 ∈ (1...𝐽) ∧ ((𝐹‘𝐶)‘𝑘) = 0))
234233reximi2 3096 . 2 (∃𝑘 ∈ {𝑖 ∈ (1...𝐽) ∣ 0 ≤ ((𝐹‘𝐶)‘𝑖)} ((𝐹‘𝐶)‘𝑘) = 0 → ∃𝑘 ∈ (1...𝐽)((𝐹‘𝐶)‘𝑘) = 0)
235231, 234syl 18 1 (𝜑 → ∃𝑘 ∈ (1...𝐽)((𝐹‘𝐶)‘𝑘) = 0)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ¬ wn 3   → wi 4   ↔ wb 209   ∧ wa 401   ∨ wo 861   = wceq 1570   ∈ wcel 2145   ≠ wne 2956  ∀wral 3077  ∃wrex 3087  {crab 3413   ∖ cdif 3896   ∩ cin 3898   ⊆ wss 3899  ∅c0 4279  𝒫 cpw 4557  {csn 4584   class class class wbr 5103   ↦ cmpt 5186  ‘cfv 6537  (class class class)co 7418  Fincfn 8966  ℝcr 11192  0cc0 11193  1c1 11194   + caddc 11196   < clt 11336   ≤ cle 11337   − cmin 11534   / cdiv 11966  ℕcn 12328  2c2 12390  ℤcz 12686  ℤ≥cuz 12958  ...cfz 13632  ♯chash 14467
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2733  ax-rep 5232  ax-sep 5249  ax-nul 5260  ax-pow 5327  ax-pr 5391  ax-un 7749  ax-cnex 11249  ax-resscn 11250  ax-1cn 11251  ax-icn 11252  ax-addcl 11253  ax-addrcl 11254  ax-mulcl 11255  ax-mulrcl 11256  ax-mulcom 11257  ax-addass 11258  ax-mulass 11259  ax-distr 11260  ax-i2m1 11261  ax-1ne0 11262  ax-1rid 11263  ax-rnegex 11264  ax-rrecex 11265  ax-cnre 11266  ax-pre-lttri 11267  ax-pre-lttrn 11268  ax-pre-ltadd 11269  ax-pre-mulgt0 11270
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-nel 3063  df-ral 3078  df-rex 3088  df-reu 3367  df-rab 3414  df-v 3453  df-sbc 3740  df-csb 3848  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-pss 3919  df-nul 4280  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-int 4908  df-iun 4953  df-br 5104  df-opab 5168  df-mpt 5187  df-tr 5213  df-id 5546  df-eprel 5551  df-po 5559  df-so 5560  df-fr 5604  df-we 5606  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-rn 5662  df-res 5663  df-ima 5664  df-pred 6303  df-ord 6364  df-on 6365  df-lim 6366  df-suc 6367  df-iota 6493  df-fun 6539  df-fn 6540  df-f 6541  df-f1 6542  df-fo 6543  df-f1o 6544  df-fv 6545  df-riota 7375  df-ov 7421  df-oprab 7422  df-mpo 7423  df-om 7876  df-1st 7999  df-2nd 8000  df-frecs 8292  df-wrecs 8323  df-recs 8372  df-rdg 8411  df-1o 8469  df-oadd 8473  df-er 8710  df-en 8967  df-dom 8968  df-sdom 8969  df-fin 8970  df-dju 9975  df-card 10013  df-pnf 11338  df-mnf 11339  df-xr 11340  df-ltxr 11341  df-le 11342  df-sub 11536  df-neg 11537  df-nn 12329  df-2 12398  df-n0 12600  df-z 12687  df-uz 12959  df-fz 13633  df-hash 14468
This theorem is used by:  ballotlem1c  35133
  Copyright terms: Public domain W3C validator