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

Theorem ballotlemimin 30345
Description: (𝐼𝐶) is the first tie. (Contributed by Thierry Arnoux, 1-Dec-2016.) (Revised by AV, 6-Oct-2020.)
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 = (𝑐𝑂 ↦ (𝑖 ∈ ℤ ↦ ((#‘((1...𝑖) ∩ 𝑐)) − (#‘((1...𝑖) ∖ 𝑐)))))
ballotth.e 𝐸 = {𝑐𝑂 ∣ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝑐)‘𝑖)}
ballotth.mgtn 𝑁 < 𝑀
ballotth.i 𝐼 = (𝑐 ∈ (𝑂𝐸) ↦ inf({𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝑐)‘𝑘) = 0}, ℝ, < ))
Assertion
Ref Expression
ballotlemimin (𝐶 ∈ (𝑂𝐸) → ¬ ∃𝑘 ∈ (1...((𝐼𝐶) − 1))((𝐹𝐶)‘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   𝐶,𝑖,𝑘   𝑖,𝐸,𝑘   𝐶,𝑘   𝑘,𝐼   𝑘,𝑐,𝐸   𝑖,𝐼
Allowed substitution hints:   𝐶(𝑥,𝑐)   𝑃(𝑥,𝑖,𝑘,𝑐)   𝐸(𝑥)   𝐹(𝑥)   𝐼(𝑥,𝑐)   𝑀(𝑥)   𝑁(𝑥)   𝑂(𝑥)

Proof of Theorem ballotlemimin
Dummy variables 𝑦 𝑧 𝑤 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 elfzle2 12287 . . . . . 6 (𝑘 ∈ (1...((𝐼𝐶) − 1)) → 𝑘 ≤ ((𝐼𝐶) − 1))
21adantl 482 . . . . 5 ((𝐶 ∈ (𝑂𝐸) ∧ 𝑘 ∈ (1...((𝐼𝐶) − 1))) → 𝑘 ≤ ((𝐼𝐶) − 1))
3 elfzelz 12284 . . . . . 6 (𝑘 ∈ (1...((𝐼𝐶) − 1)) → 𝑘 ∈ ℤ)
4 ballotth.m . . . . . . . . . 10 𝑀 ∈ ℕ
5 ballotth.n . . . . . . . . . 10 𝑁 ∈ ℕ
6 ballotth.o . . . . . . . . . 10 𝑂 = {𝑐 ∈ 𝒫 (1...(𝑀 + 𝑁)) ∣ (#‘𝑐) = 𝑀}
7 ballotth.p . . . . . . . . . 10 𝑃 = (𝑥 ∈ 𝒫 𝑂 ↦ ((#‘𝑥) / (#‘𝑂)))
8 ballotth.f . . . . . . . . . 10 𝐹 = (𝑐𝑂 ↦ (𝑖 ∈ ℤ ↦ ((#‘((1...𝑖) ∩ 𝑐)) − (#‘((1...𝑖) ∖ 𝑐)))))
9 ballotth.e . . . . . . . . . 10 𝐸 = {𝑐𝑂 ∣ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝑐)‘𝑖)}
10 ballotth.mgtn . . . . . . . . . 10 𝑁 < 𝑀
11 ballotth.i . . . . . . . . . 10 𝐼 = (𝑐 ∈ (𝑂𝐸) ↦ inf({𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝑐)‘𝑘) = 0}, ℝ, < ))
124, 5, 6, 7, 8, 9, 10, 11ballotlemiex 30341 . . . . . . . . 9 (𝐶 ∈ (𝑂𝐸) → ((𝐼𝐶) ∈ (1...(𝑀 + 𝑁)) ∧ ((𝐹𝐶)‘(𝐼𝐶)) = 0))
1312simpld 475 . . . . . . . 8 (𝐶 ∈ (𝑂𝐸) → (𝐼𝐶) ∈ (1...(𝑀 + 𝑁)))
14 elfznn 12312 . . . . . . . 8 ((𝐼𝐶) ∈ (1...(𝑀 + 𝑁)) → (𝐼𝐶) ∈ ℕ)
1513, 14syl 17 . . . . . . 7 (𝐶 ∈ (𝑂𝐸) → (𝐼𝐶) ∈ ℕ)
1615nnzd 11425 . . . . . 6 (𝐶 ∈ (𝑂𝐸) → (𝐼𝐶) ∈ ℤ)
17 zltlem1 11374 . . . . . 6 ((𝑘 ∈ ℤ ∧ (𝐼𝐶) ∈ ℤ) → (𝑘 < (𝐼𝐶) ↔ 𝑘 ≤ ((𝐼𝐶) − 1)))
183, 16, 17syl2anr 495 . . . . 5 ((𝐶 ∈ (𝑂𝐸) ∧ 𝑘 ∈ (1...((𝐼𝐶) − 1))) → (𝑘 < (𝐼𝐶) ↔ 𝑘 ≤ ((𝐼𝐶) − 1)))
192, 18mpbird 247 . . . 4 ((𝐶 ∈ (𝑂𝐸) ∧ 𝑘 ∈ (1...((𝐼𝐶) − 1))) → 𝑘 < (𝐼𝐶))
2019adantr 481 . . 3 (((𝐶 ∈ (𝑂𝐸) ∧ 𝑘 ∈ (1...((𝐼𝐶) − 1))) ∧ ((𝐹𝐶)‘𝑘) = 0) → 𝑘 < (𝐼𝐶))
21 1zzd 11352 . . . . . . . . . . . . 13 (𝐶 ∈ (𝑂𝐸) → 1 ∈ ℤ)
2216, 21zsubcld 11431 . . . . . . . . . . . 12 (𝐶 ∈ (𝑂𝐸) → ((𝐼𝐶) − 1) ∈ ℤ)
2322zred 11426 . . . . . . . . . . 11 (𝐶 ∈ (𝑂𝐸) → ((𝐼𝐶) − 1) ∈ ℝ)
24 nnaddcl 10986 . . . . . . . . . . . . . 14 ((𝑀 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (𝑀 + 𝑁) ∈ ℕ)
254, 5, 24mp2an 707 . . . . . . . . . . . . 13 (𝑀 + 𝑁) ∈ ℕ
2625a1i 11 . . . . . . . . . . . 12 (𝐶 ∈ (𝑂𝐸) → (𝑀 + 𝑁) ∈ ℕ)
2726nnred 10979 . . . . . . . . . . 11 (𝐶 ∈ (𝑂𝐸) → (𝑀 + 𝑁) ∈ ℝ)
28 elfzle2 12287 . . . . . . . . . . . . 13 ((𝐼𝐶) ∈ (1...(𝑀 + 𝑁)) → (𝐼𝐶) ≤ (𝑀 + 𝑁))
2913, 28syl 17 . . . . . . . . . . . 12 (𝐶 ∈ (𝑂𝐸) → (𝐼𝐶) ≤ (𝑀 + 𝑁))
3026nnzd 11425 . . . . . . . . . . . . 13 (𝐶 ∈ (𝑂𝐸) → (𝑀 + 𝑁) ∈ ℤ)
31 zlem1lt 11373 . . . . . . . . . . . . 13 (((𝐼𝐶) ∈ ℤ ∧ (𝑀 + 𝑁) ∈ ℤ) → ((𝐼𝐶) ≤ (𝑀 + 𝑁) ↔ ((𝐼𝐶) − 1) < (𝑀 + 𝑁)))
3216, 30, 31syl2anc 692 . . . . . . . . . . . 12 (𝐶 ∈ (𝑂𝐸) → ((𝐼𝐶) ≤ (𝑀 + 𝑁) ↔ ((𝐼𝐶) − 1) < (𝑀 + 𝑁)))
3329, 32mpbid 222 . . . . . . . . . . 11 (𝐶 ∈ (𝑂𝐸) → ((𝐼𝐶) − 1) < (𝑀 + 𝑁))
3423, 27, 33ltled 10129 . . . . . . . . . 10 (𝐶 ∈ (𝑂𝐸) → ((𝐼𝐶) − 1) ≤ (𝑀 + 𝑁))
35 eluz 11645 . . . . . . . . . . 11 ((((𝐼𝐶) − 1) ∈ ℤ ∧ (𝑀 + 𝑁) ∈ ℤ) → ((𝑀 + 𝑁) ∈ (ℤ‘((𝐼𝐶) − 1)) ↔ ((𝐼𝐶) − 1) ≤ (𝑀 + 𝑁)))
3622, 30, 35syl2anc 692 . . . . . . . . . 10 (𝐶 ∈ (𝑂𝐸) → ((𝑀 + 𝑁) ∈ (ℤ‘((𝐼𝐶) − 1)) ↔ ((𝐼𝐶) − 1) ≤ (𝑀 + 𝑁)))
3734, 36mpbird 247 . . . . . . . . 9 (𝐶 ∈ (𝑂𝐸) → (𝑀 + 𝑁) ∈ (ℤ‘((𝐼𝐶) − 1)))
38 fzss2 12323 . . . . . . . . 9 ((𝑀 + 𝑁) ∈ (ℤ‘((𝐼𝐶) − 1)) → (1...((𝐼𝐶) − 1)) ⊆ (1...(𝑀 + 𝑁)))
3937, 38syl 17 . . . . . . . 8 (𝐶 ∈ (𝑂𝐸) → (1...((𝐼𝐶) − 1)) ⊆ (1...(𝑀 + 𝑁)))
4039sseld 3582 . . . . . . 7 (𝐶 ∈ (𝑂𝐸) → (𝑘 ∈ (1...((𝐼𝐶) − 1)) → 𝑘 ∈ (1...(𝑀 + 𝑁))))
41 rabid 3106 . . . . . . . 8 (𝑘 ∈ {𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0} ↔ (𝑘 ∈ (1...(𝑀 + 𝑁)) ∧ ((𝐹𝐶)‘𝑘) = 0))
424, 5, 6, 7, 8, 9, 10, 11ballotlemsup 30344 . . . . . . . . . 10 (𝐶 ∈ (𝑂𝐸) → ∃𝑧 ∈ ℝ (∀𝑤 ∈ {𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0} ¬ 𝑤 < 𝑧 ∧ ∀𝑤 ∈ ℝ (𝑧 < 𝑤 → ∃𝑦 ∈ {𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0}𝑦 < 𝑤)))
43 ltso 10062 . . . . . . . . . . . 12 < Or ℝ
4443a1i 11 . . . . . . . . . . 11 (∃𝑧 ∈ ℝ (∀𝑤 ∈ {𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0} ¬ 𝑤 < 𝑧 ∧ ∀𝑤 ∈ ℝ (𝑧 < 𝑤 → ∃𝑦 ∈ {𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0}𝑦 < 𝑤)) → < Or ℝ)
45 id 22 . . . . . . . . . . 11 (∃𝑧 ∈ ℝ (∀𝑤 ∈ {𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0} ¬ 𝑤 < 𝑧 ∧ ∀𝑤 ∈ ℝ (𝑧 < 𝑤 → ∃𝑦 ∈ {𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0}𝑦 < 𝑤)) → ∃𝑧 ∈ ℝ (∀𝑤 ∈ {𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0} ¬ 𝑤 < 𝑧 ∧ ∀𝑤 ∈ ℝ (𝑧 < 𝑤 → ∃𝑦 ∈ {𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0}𝑦 < 𝑤)))
4644, 45inflb 8339 . . . . . . . . . 10 (∃𝑧 ∈ ℝ (∀𝑤 ∈ {𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0} ¬ 𝑤 < 𝑧 ∧ ∀𝑤 ∈ ℝ (𝑧 < 𝑤 → ∃𝑦 ∈ {𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0}𝑦 < 𝑤)) → (𝑘 ∈ {𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0} → ¬ 𝑘 < inf({𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0}, ℝ, < )))
4742, 46syl 17 . . . . . . . . 9 (𝐶 ∈ (𝑂𝐸) → (𝑘 ∈ {𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0} → ¬ 𝑘 < inf({𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0}, ℝ, < )))
484, 5, 6, 7, 8, 9, 10, 11ballotlemi 30340 . . . . . . . . . . 11 (𝐶 ∈ (𝑂𝐸) → (𝐼𝐶) = inf({𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0}, ℝ, < ))
4948breq2d 4625 . . . . . . . . . 10 (𝐶 ∈ (𝑂𝐸) → (𝑘 < (𝐼𝐶) ↔ 𝑘 < inf({𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0}, ℝ, < )))
5049notbid 308 . . . . . . . . 9 (𝐶 ∈ (𝑂𝐸) → (¬ 𝑘 < (𝐼𝐶) ↔ ¬ 𝑘 < inf({𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0}, ℝ, < )))
5147, 50sylibrd 249 . . . . . . . 8 (𝐶 ∈ (𝑂𝐸) → (𝑘 ∈ {𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹𝐶)‘𝑘) = 0} → ¬ 𝑘 < (𝐼𝐶)))
5241, 51syl5bir 233 . . . . . . 7 (𝐶 ∈ (𝑂𝐸) → ((𝑘 ∈ (1...(𝑀 + 𝑁)) ∧ ((𝐹𝐶)‘𝑘) = 0) → ¬ 𝑘 < (𝐼𝐶)))
5340, 52syland 498 . . . . . 6 (𝐶 ∈ (𝑂𝐸) → ((𝑘 ∈ (1...((𝐼𝐶) − 1)) ∧ ((𝐹𝐶)‘𝑘) = 0) → ¬ 𝑘 < (𝐼𝐶)))
5453imp 445 . . . . 5 ((𝐶 ∈ (𝑂𝐸) ∧ (𝑘 ∈ (1...((𝐼𝐶) − 1)) ∧ ((𝐹𝐶)‘𝑘) = 0)) → ¬ 𝑘 < (𝐼𝐶))
55 biid 251 . . . . 5 (𝑘 < (𝐼𝐶) ↔ 𝑘 < (𝐼𝐶))
5654, 55sylnib 318 . . . 4 ((𝐶 ∈ (𝑂𝐸) ∧ (𝑘 ∈ (1...((𝐼𝐶) − 1)) ∧ ((𝐹𝐶)‘𝑘) = 0)) → ¬ 𝑘 < (𝐼𝐶))
5756anassrs 679 . . 3 (((𝐶 ∈ (𝑂𝐸) ∧ 𝑘 ∈ (1...((𝐼𝐶) − 1))) ∧ ((𝐹𝐶)‘𝑘) = 0) → ¬ 𝑘 < (𝐼𝐶))
5820, 57pm2.65da 599 . 2 ((𝐶 ∈ (𝑂𝐸) ∧ 𝑘 ∈ (1...((𝐼𝐶) − 1))) → ¬ ((𝐹𝐶)‘𝑘) = 0)
5958nrexdv 2995 1 (𝐶 ∈ (𝑂𝐸) → ¬ ∃𝑘 ∈ (1...((𝐼𝐶) − 1))((𝐹𝐶)‘𝑘) = 0)
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 196  wa 384   = wceq 1480  wcel 1987  wral 2907  wrex 2908  {crab 2911  cdif 3552  cin 3554  wss 3555  𝒫 cpw 4130   class class class wbr 4613  cmpt 4673   Or wor 4994  cfv 5847  (class class class)co 6604  infcinf 8291  cr 9879  0cc0 9880  1c1 9881   + caddc 9883   < clt 10018  cle 10019  cmin 10210   / cdiv 10628  cn 10964  cz 11321  cuz 11631  ...cfz 12268  #chash 13057
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1719  ax-4 1734  ax-5 1836  ax-6 1885  ax-7 1932  ax-8 1989  ax-9 1996  ax-10 2016  ax-11 2031  ax-12 2044  ax-13 2245  ax-ext 2601  ax-rep 4731  ax-sep 4741  ax-nul 4749  ax-pow 4803  ax-pr 4867  ax-un 6902  ax-cnex 9936  ax-resscn 9937  ax-1cn 9938  ax-icn 9939  ax-addcl 9940  ax-addrcl 9941  ax-mulcl 9942  ax-mulrcl 9943  ax-mulcom 9944  ax-addass 9945  ax-mulass 9946  ax-distr 9947  ax-i2m1 9948  ax-1ne0 9949  ax-1rid 9950  ax-rnegex 9951  ax-rrecex 9952  ax-cnre 9953  ax-pre-lttri 9954  ax-pre-lttrn 9955  ax-pre-ltadd 9956  ax-pre-mulgt0 9957
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1037  df-3an 1038  df-tru 1483  df-ex 1702  df-nf 1707  df-sb 1878  df-eu 2473  df-mo 2474  df-clab 2608  df-cleq 2614  df-clel 2617  df-nfc 2750  df-ne 2791  df-nel 2894  df-ral 2912  df-rex 2913  df-reu 2914  df-rmo 2915  df-rab 2916  df-v 3188  df-sbc 3418  df-csb 3515  df-dif 3558  df-un 3560  df-in 3562  df-ss 3569  df-pss 3571  df-nul 3892  df-if 4059  df-pw 4132  df-sn 4149  df-pr 4151  df-tp 4153  df-op 4155  df-uni 4403  df-int 4441  df-iun 4487  df-br 4614  df-opab 4674  df-mpt 4675  df-tr 4713  df-eprel 4985  df-id 4989  df-po 4995  df-so 4996  df-fr 5033  df-we 5035  df-xp 5080  df-rel 5081  df-cnv 5082  df-co 5083  df-dm 5084  df-rn 5085  df-res 5086  df-ima 5087  df-pred 5639  df-ord 5685  df-on 5686  df-lim 5687  df-suc 5688  df-iota 5810  df-fun 5849  df-fn 5850  df-f 5851  df-f1 5852  df-fo 5853  df-f1o 5854  df-fv 5855  df-riota 6565  df-ov 6607  df-oprab 6608  df-mpt2 6609  df-om 7013  df-1st 7113  df-2nd 7114  df-wrecs 7352  df-recs 7413  df-rdg 7451  df-1o 7505  df-oadd 7509  df-er 7687  df-en 7900  df-dom 7901  df-sdom 7902  df-fin 7903  df-sup 8292  df-inf 8293  df-card 8709  df-cda 8934  df-pnf 10020  df-mnf 10021  df-xr 10022  df-ltxr 10023  df-le 10024  df-sub 10212  df-neg 10213  df-nn 10965  df-2 11023  df-n0 11237  df-z 11322  df-uz 11632  df-fz 12269  df-hash 13058
This theorem is referenced by:  ballotlemic  30346  ballotlem1c  30347
  Copyright terms: Public domain W3C validator