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Theorem ballotlemodife 30340
Description: Elements of (𝑂𝐸). (Contributed by Thierry Arnoux, 7-Dec-2016.)
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)}
Assertion
Ref Expression
ballotlemodife (𝐶 ∈ (𝑂𝐸) ↔ (𝐶𝑂 ∧ ∃𝑖 ∈ (1...(𝑀 + 𝑁))((𝐹𝐶)‘𝑖) ≤ 0))
Distinct variable groups:   𝑀,𝑐   𝑁,𝑐   𝑂,𝑐   𝑖,𝑀   𝑖,𝑁   𝑖,𝑂,𝑐   𝐹,𝑐,𝑖   𝐶,𝑖
Allowed substitution hints:   𝐶(𝑥,𝑐)   𝑃(𝑥,𝑖,𝑐)   𝐸(𝑥,𝑖,𝑐)   𝐹(𝑥)   𝑀(𝑥)   𝑁(𝑥)   𝑂(𝑥)

Proof of Theorem ballotlemodife
Dummy variable 𝑗 is distinct from all other variables.
StepHypRef Expression
1 eldif 3565 . 2 (𝐶 ∈ (𝑂𝐸) ↔ (𝐶𝑂 ∧ ¬ 𝐶𝐸))
2 df-or 385 . . . 4 (((𝐶𝑂 ∧ ¬ 𝐶𝑂) ∨ (𝐶𝑂 ∧ ¬ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖))) ↔ (¬ (𝐶𝑂 ∧ ¬ 𝐶𝑂) → (𝐶𝑂 ∧ ¬ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖))))
3 pm3.24 925 . . . . 5 ¬ (𝐶𝑂 ∧ ¬ 𝐶𝑂)
43a1bi 352 . . . 4 ((𝐶𝑂 ∧ ¬ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖)) ↔ (¬ (𝐶𝑂 ∧ ¬ 𝐶𝑂) → (𝐶𝑂 ∧ ¬ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖))))
52, 4bitr4i 267 . . 3 (((𝐶𝑂 ∧ ¬ 𝐶𝑂) ∨ (𝐶𝑂 ∧ ¬ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖))) ↔ (𝐶𝑂 ∧ ¬ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖)))
6 ballotth.m . . . . . . 7 𝑀 ∈ ℕ
7 ballotth.n . . . . . . 7 𝑁 ∈ ℕ
8 ballotth.o . . . . . . 7 𝑂 = {𝑐 ∈ 𝒫 (1...(𝑀 + 𝑁)) ∣ (#‘𝑐) = 𝑀}
9 ballotth.p . . . . . . 7 𝑃 = (𝑥 ∈ 𝒫 𝑂 ↦ ((#‘𝑥) / (#‘𝑂)))
10 ballotth.f . . . . . . 7 𝐹 = (𝑐𝑂 ↦ (𝑖 ∈ ℤ ↦ ((#‘((1...𝑖) ∩ 𝑐)) − (#‘((1...𝑖) ∖ 𝑐)))))
11 ballotth.e . . . . . . 7 𝐸 = {𝑐𝑂 ∣ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝑐)‘𝑖)}
126, 7, 8, 9, 10, 11ballotleme 30339 . . . . . 6 (𝐶𝐸 ↔ (𝐶𝑂 ∧ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖)))
1312notbii 310 . . . . 5 𝐶𝐸 ↔ ¬ (𝐶𝑂 ∧ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖)))
1413anbi2i 729 . . . 4 ((𝐶𝑂 ∧ ¬ 𝐶𝐸) ↔ (𝐶𝑂 ∧ ¬ (𝐶𝑂 ∧ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖))))
15 ianor 509 . . . . 5 (¬ (𝐶𝑂 ∧ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖)) ↔ (¬ 𝐶𝑂 ∨ ¬ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖)))
1615anbi2i 729 . . . 4 ((𝐶𝑂 ∧ ¬ (𝐶𝑂 ∧ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖))) ↔ (𝐶𝑂 ∧ (¬ 𝐶𝑂 ∨ ¬ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖))))
17 andi 910 . . . 4 ((𝐶𝑂 ∧ (¬ 𝐶𝑂 ∨ ¬ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖))) ↔ ((𝐶𝑂 ∧ ¬ 𝐶𝑂) ∨ (𝐶𝑂 ∧ ¬ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖))))
1814, 16, 173bitri 286 . . 3 ((𝐶𝑂 ∧ ¬ 𝐶𝐸) ↔ ((𝐶𝑂 ∧ ¬ 𝐶𝑂) ∨ (𝐶𝑂 ∧ ¬ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖))))
19 0p1e1 11076 . . . . . . . . . . . . 13 (0 + 1) = 1
2019oveq1i 6614 . . . . . . . . . . . 12 ((0 + 1)...(𝑀 + 𝑁)) = (1...(𝑀 + 𝑁))
21 0z 11332 . . . . . . . . . . . . 13 0 ∈ ℤ
22 fzp1ss 12334 . . . . . . . . . . . . 13 (0 ∈ ℤ → ((0 + 1)...(𝑀 + 𝑁)) ⊆ (0...(𝑀 + 𝑁)))
2321, 22ax-mp 5 . . . . . . . . . . . 12 ((0 + 1)...(𝑀 + 𝑁)) ⊆ (0...(𝑀 + 𝑁))
2420, 23eqsstr3i 3615 . . . . . . . . . . 11 (1...(𝑀 + 𝑁)) ⊆ (0...(𝑀 + 𝑁))
2524a1i 11 . . . . . . . . . 10 (𝐶𝑂 → (1...(𝑀 + 𝑁)) ⊆ (0...(𝑀 + 𝑁)))
2625sseld 3582 . . . . . . . . 9 (𝐶𝑂 → (𝑖 ∈ (1...(𝑀 + 𝑁)) → 𝑖 ∈ (0...(𝑀 + 𝑁))))
2726imdistani 725 . . . . . . . 8 ((𝐶𝑂𝑖 ∈ (1...(𝑀 + 𝑁))) → (𝐶𝑂𝑖 ∈ (0...(𝑀 + 𝑁))))
28 simpl 473 . . . . . . . . . . . 12 ((𝐶𝑂𝑗 ∈ (0...(𝑀 + 𝑁))) → 𝐶𝑂)
29 elfzelz 12284 . . . . . . . . . . . . 13 (𝑗 ∈ (0...(𝑀 + 𝑁)) → 𝑗 ∈ ℤ)
3029adantl 482 . . . . . . . . . . . 12 ((𝐶𝑂𝑗 ∈ (0...(𝑀 + 𝑁))) → 𝑗 ∈ ℤ)
316, 7, 8, 9, 10, 28, 30ballotlemfelz 30333 . . . . . . . . . . 11 ((𝐶𝑂𝑗 ∈ (0...(𝑀 + 𝑁))) → ((𝐹𝐶)‘𝑗) ∈ ℤ)
3231zred 11426 . . . . . . . . . 10 ((𝐶𝑂𝑗 ∈ (0...(𝑀 + 𝑁))) → ((𝐹𝐶)‘𝑗) ∈ ℝ)
3332sbimi 1883 . . . . . . . . 9 ([𝑖 / 𝑗](𝐶𝑂𝑗 ∈ (0...(𝑀 + 𝑁))) → [𝑖 / 𝑗]((𝐹𝐶)‘𝑗) ∈ ℝ)
34 sban 2398 . . . . . . . . . 10 ([𝑖 / 𝑗](𝐶𝑂𝑗 ∈ (0...(𝑀 + 𝑁))) ↔ ([𝑖 / 𝑗]𝐶𝑂 ∧ [𝑖 / 𝑗]𝑗 ∈ (0...(𝑀 + 𝑁))))
35 nfv 1840 . . . . . . . . . . . 12 𝑗 𝐶𝑂
3635sbf 2379 . . . . . . . . . . 11 ([𝑖 / 𝑗]𝐶𝑂𝐶𝑂)
37 clelsb3 2726 . . . . . . . . . . 11 ([𝑖 / 𝑗]𝑗 ∈ (0...(𝑀 + 𝑁)) ↔ 𝑖 ∈ (0...(𝑀 + 𝑁)))
3836, 37anbi12i 732 . . . . . . . . . 10 (([𝑖 / 𝑗]𝐶𝑂 ∧ [𝑖 / 𝑗]𝑗 ∈ (0...(𝑀 + 𝑁))) ↔ (𝐶𝑂𝑖 ∈ (0...(𝑀 + 𝑁))))
3934, 38bitri 264 . . . . . . . . 9 ([𝑖 / 𝑗](𝐶𝑂𝑗 ∈ (0...(𝑀 + 𝑁))) ↔ (𝐶𝑂𝑖 ∈ (0...(𝑀 + 𝑁))))
40 nfv 1840 . . . . . . . . . 10 𝑗((𝐹𝐶)‘𝑖) ∈ ℝ
41 fveq2 6148 . . . . . . . . . . 11 (𝑗 = 𝑖 → ((𝐹𝐶)‘𝑗) = ((𝐹𝐶)‘𝑖))
4241eleq1d 2683 . . . . . . . . . 10 (𝑗 = 𝑖 → (((𝐹𝐶)‘𝑗) ∈ ℝ ↔ ((𝐹𝐶)‘𝑖) ∈ ℝ))
4340, 42sbie 2407 . . . . . . . . 9 ([𝑖 / 𝑗]((𝐹𝐶)‘𝑗) ∈ ℝ ↔ ((𝐹𝐶)‘𝑖) ∈ ℝ)
4433, 39, 433imtr3i 280 . . . . . . . 8 ((𝐶𝑂𝑖 ∈ (0...(𝑀 + 𝑁))) → ((𝐹𝐶)‘𝑖) ∈ ℝ)
4527, 44syl 17 . . . . . . 7 ((𝐶𝑂𝑖 ∈ (1...(𝑀 + 𝑁))) → ((𝐹𝐶)‘𝑖) ∈ ℝ)
46 0red 9985 . . . . . . 7 ((𝐶𝑂𝑖 ∈ (1...(𝑀 + 𝑁))) → 0 ∈ ℝ)
4745, 46lenltd 10127 . . . . . 6 ((𝐶𝑂𝑖 ∈ (1...(𝑀 + 𝑁))) → (((𝐹𝐶)‘𝑖) ≤ 0 ↔ ¬ 0 < ((𝐹𝐶)‘𝑖)))
4847rexbidva 3042 . . . . 5 (𝐶𝑂 → (∃𝑖 ∈ (1...(𝑀 + 𝑁))((𝐹𝐶)‘𝑖) ≤ 0 ↔ ∃𝑖 ∈ (1...(𝑀 + 𝑁)) ¬ 0 < ((𝐹𝐶)‘𝑖)))
49 rexnal 2989 . . . . 5 (∃𝑖 ∈ (1...(𝑀 + 𝑁)) ¬ 0 < ((𝐹𝐶)‘𝑖) ↔ ¬ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖))
5048, 49syl6bb 276 . . . 4 (𝐶𝑂 → (∃𝑖 ∈ (1...(𝑀 + 𝑁))((𝐹𝐶)‘𝑖) ≤ 0 ↔ ¬ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖)))
5150pm5.32i 668 . . 3 ((𝐶𝑂 ∧ ∃𝑖 ∈ (1...(𝑀 + 𝑁))((𝐹𝐶)‘𝑖) ≤ 0) ↔ (𝐶𝑂 ∧ ¬ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹𝐶)‘𝑖)))
525, 18, 513bitr4i 292 . 2 ((𝐶𝑂 ∧ ¬ 𝐶𝐸) ↔ (𝐶𝑂 ∧ ∃𝑖 ∈ (1...(𝑀 + 𝑁))((𝐹𝐶)‘𝑖) ≤ 0))
531, 52bitri 264 1 (𝐶 ∈ (𝑂𝐸) ↔ (𝐶𝑂 ∧ ∃𝑖 ∈ (1...(𝑀 + 𝑁))((𝐹𝐶)‘𝑖) ≤ 0))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 196  wo 383  wa 384   = wceq 1480  [wsb 1877  wcel 1987  wral 2907  wrex 2908  {crab 2911  cdif 3552  cin 3554  wss 3555  𝒫 cpw 4130   class class class wbr 4613  cmpt 4673  cfv 5847  (class class class)co 6604  cr 9879  0cc0 9880  1c1 9881   + caddc 9883   < clt 10018  cle 10019  cmin 10210   / cdiv 10628  cn 10964  cz 11321  ...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-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-er 7687  df-en 7900  df-dom 7901  df-sdom 7902  df-fin 7903  df-card 8709  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-n0 11237  df-z 11322  df-uz 11632  df-fz 12269  df-hash 13058
This theorem is referenced by:  ballotlem5  30342  ballotlemrc  30373
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