Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > ballotlemii | Structured version Visualization version GIF version |
Description: The first tie cannot be reached at the first pick. (Contributed by Thierry Arnoux, 4-Apr-2017.) |
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))))) |
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, < )) |
Ref | Expression |
---|---|
ballotlemii | ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 1 ∈ 𝐶) → (𝐼‘𝐶) ≠ 1) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1e0p1 11428 | . . . . . 6 ⊢ 1 = (0 + 1) | |
2 | ax-1ne0 9884 | . . . . . 6 ⊢ 1 ≠ 0 | |
3 | 1, 2 | eqnetrri 2853 | . . . . 5 ⊢ (0 + 1) ≠ 0 |
4 | 3 | neii 2784 | . . . 4 ⊢ ¬ (0 + 1) = 0 |
5 | ballotth.m | . . . . . . . . 9 ⊢ 𝑀 ∈ ℕ | |
6 | ballotth.n | . . . . . . . . 9 ⊢ 𝑁 ∈ ℕ | |
7 | ballotth.o | . . . . . . . . 9 ⊢ 𝑂 = {𝑐 ∈ 𝒫 (1...(𝑀 + 𝑁)) ∣ (#‘𝑐) = 𝑀} | |
8 | ballotth.p | . . . . . . . . 9 ⊢ 𝑃 = (𝑥 ∈ 𝒫 𝑂 ↦ ((#‘𝑥) / (#‘𝑂))) | |
9 | ballotth.f | . . . . . . . . 9 ⊢ 𝐹 = (𝑐 ∈ 𝑂 ↦ (𝑖 ∈ ℤ ↦ ((#‘((1...𝑖) ∩ 𝑐)) − (#‘((1...𝑖) ∖ 𝑐))))) | |
10 | eldifi 3694 | . . . . . . . . 9 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → 𝐶 ∈ 𝑂) | |
11 | 1nn 10908 | . . . . . . . . . 10 ⊢ 1 ∈ ℕ | |
12 | 11 | a1i 11 | . . . . . . . . 9 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → 1 ∈ ℕ) |
13 | 5, 6, 7, 8, 9, 10, 12 | ballotlemfp1 29880 | . . . . . . . 8 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → ((¬ 1 ∈ 𝐶 → ((𝐹‘𝐶)‘1) = (((𝐹‘𝐶)‘(1 − 1)) − 1)) ∧ (1 ∈ 𝐶 → ((𝐹‘𝐶)‘1) = (((𝐹‘𝐶)‘(1 − 1)) + 1)))) |
14 | 13 | simprd 478 | . . . . . . 7 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → (1 ∈ 𝐶 → ((𝐹‘𝐶)‘1) = (((𝐹‘𝐶)‘(1 − 1)) + 1))) |
15 | 14 | imp 444 | . . . . . 6 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 1 ∈ 𝐶) → ((𝐹‘𝐶)‘1) = (((𝐹‘𝐶)‘(1 − 1)) + 1)) |
16 | 1m1e0 10966 | . . . . . . . . 9 ⊢ (1 − 1) = 0 | |
17 | 16 | fveq2i 6106 | . . . . . . . 8 ⊢ ((𝐹‘𝐶)‘(1 − 1)) = ((𝐹‘𝐶)‘0) |
18 | 17 | oveq1i 6559 | . . . . . . 7 ⊢ (((𝐹‘𝐶)‘(1 − 1)) + 1) = (((𝐹‘𝐶)‘0) + 1) |
19 | 18 | a1i 11 | . . . . . 6 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 1 ∈ 𝐶) → (((𝐹‘𝐶)‘(1 − 1)) + 1) = (((𝐹‘𝐶)‘0) + 1)) |
20 | 5, 6, 7, 8, 9 | ballotlemfval0 29884 | . . . . . . . . 9 ⊢ (𝐶 ∈ 𝑂 → ((𝐹‘𝐶)‘0) = 0) |
21 | 10, 20 | syl 17 | . . . . . . . 8 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → ((𝐹‘𝐶)‘0) = 0) |
22 | 21 | adantr 480 | . . . . . . 7 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 1 ∈ 𝐶) → ((𝐹‘𝐶)‘0) = 0) |
23 | 22 | oveq1d 6564 | . . . . . 6 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 1 ∈ 𝐶) → (((𝐹‘𝐶)‘0) + 1) = (0 + 1)) |
24 | 15, 19, 23 | 3eqtrrd 2649 | . . . . 5 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 1 ∈ 𝐶) → (0 + 1) = ((𝐹‘𝐶)‘1)) |
25 | 24 | eqeq1d 2612 | . . . 4 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 1 ∈ 𝐶) → ((0 + 1) = 0 ↔ ((𝐹‘𝐶)‘1) = 0)) |
26 | 4, 25 | mtbii 315 | . . 3 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 1 ∈ 𝐶) → ¬ ((𝐹‘𝐶)‘1) = 0) |
27 | ballotth.e | . . . . . . 7 ⊢ 𝐸 = {𝑐 ∈ 𝑂 ∣ ∀𝑖 ∈ (1...(𝑀 + 𝑁))0 < ((𝐹‘𝑐)‘𝑖)} | |
28 | ballotth.mgtn | . . . . . . 7 ⊢ 𝑁 < 𝑀 | |
29 | ballotth.i | . . . . . . 7 ⊢ 𝐼 = (𝑐 ∈ (𝑂 ∖ 𝐸) ↦ inf({𝑘 ∈ (1...(𝑀 + 𝑁)) ∣ ((𝐹‘𝑐)‘𝑘) = 0}, ℝ, < )) | |
30 | 5, 6, 7, 8, 9, 27, 28, 29 | ballotlemiex 29890 | . . . . . 6 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → ((𝐼‘𝐶) ∈ (1...(𝑀 + 𝑁)) ∧ ((𝐹‘𝐶)‘(𝐼‘𝐶)) = 0)) |
31 | 30 | simprd 478 | . . . . 5 ⊢ (𝐶 ∈ (𝑂 ∖ 𝐸) → ((𝐹‘𝐶)‘(𝐼‘𝐶)) = 0) |
32 | 31 | ad2antrr 758 | . . . 4 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 1 ∈ 𝐶) ∧ (𝐼‘𝐶) = 1) → ((𝐹‘𝐶)‘(𝐼‘𝐶)) = 0) |
33 | fveq2 6103 | . . . . . 6 ⊢ ((𝐼‘𝐶) = 1 → ((𝐹‘𝐶)‘(𝐼‘𝐶)) = ((𝐹‘𝐶)‘1)) | |
34 | 33 | eqeq1d 2612 | . . . . 5 ⊢ ((𝐼‘𝐶) = 1 → (((𝐹‘𝐶)‘(𝐼‘𝐶)) = 0 ↔ ((𝐹‘𝐶)‘1) = 0)) |
35 | 34 | adantl 481 | . . . 4 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 1 ∈ 𝐶) ∧ (𝐼‘𝐶) = 1) → (((𝐹‘𝐶)‘(𝐼‘𝐶)) = 0 ↔ ((𝐹‘𝐶)‘1) = 0)) |
36 | 32, 35 | mpbid 221 | . . 3 ⊢ (((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 1 ∈ 𝐶) ∧ (𝐼‘𝐶) = 1) → ((𝐹‘𝐶)‘1) = 0) |
37 | 26, 36 | mtand 689 | . 2 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 1 ∈ 𝐶) → ¬ (𝐼‘𝐶) = 1) |
38 | 37 | neqned 2789 | 1 ⊢ ((𝐶 ∈ (𝑂 ∖ 𝐸) ∧ 1 ∈ 𝐶) → (𝐼‘𝐶) ≠ 1) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 195 ∧ wa 383 = wceq 1475 ∈ wcel 1977 ≠ wne 2780 ∀wral 2896 {crab 2900 ∖ cdif 3537 ∩ cin 3539 𝒫 cpw 4108 class class class wbr 4583 ↦ cmpt 4643 ‘cfv 5804 (class class class)co 6549 infcinf 8230 ℝcr 9814 0cc0 9815 1c1 9816 + caddc 9818 < clt 9953 − cmin 10145 / cdiv 10563 ℕcn 10897 ℤcz 11254 ...cfz 12197 #chash 12979 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-int 4411 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-1st 7059 df-2nd 7060 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-1o 7447 df-oadd 7451 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-fin 7845 df-sup 8231 df-inf 8232 df-card 8648 df-cda 8873 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-nn 10898 df-2 10956 df-n0 11170 df-z 11255 df-uz 11564 df-fz 12198 df-hash 12980 |
This theorem is referenced by: ballotlem1c 29896 |
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