| Mathbox for Thierry Arnoux |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > ballotlemfelz | Structured version Visualization version GIF version | ||
| Description: (𝐹‘𝐶) has values in ℤ. (Contributed by Thierry Arnoux, 23-Nov-2016.) |
| 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))))) |
| ballotlemfval.c | ⊢ (𝜑 → 𝐶 ∈ 𝑂) |
| ballotlemfval.j | ⊢ (𝜑 → 𝐽 ∈ ℤ) |
| Ref | Expression |
|---|---|
| ballotlemfelz | ⊢ (𝜑 → ((𝐹‘𝐶)‘𝐽) ∈ ℤ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ballotth.m | . . 3 ⊢ 𝑀 ∈ ℕ | |
| 2 | ballotth.n | . . 3 ⊢ 𝑁 ∈ ℕ | |
| 3 | ballotth.o | . . 3 ⊢ 𝑂 = {𝑐 ∈ 𝒫 (1...(𝑀 + 𝑁)) ∣ (♯‘𝑐) = 𝑀} | |
| 4 | ballotth.p | . . 3 ⊢ 𝑃 = (𝑥 ∈ 𝒫 𝑂 ↦ ((♯‘𝑥) / (♯‘𝑂))) | |
| 5 | ballotth.f | . . 3 ⊢ 𝐹 = (𝑐 ∈ 𝑂 ↦ (𝑖 ∈ ℤ ↦ ((♯‘((1...𝑖) ∩ 𝑐)) − (♯‘((1...𝑖) ∖ 𝑐))))) | |
| 6 | ballotlemfval.c | . . 3 ⊢ (𝜑 → 𝐶 ∈ 𝑂) | |
| 7 | ballotlemfval.j | . . 3 ⊢ (𝜑 → 𝐽 ∈ ℤ) | |
| 8 | 1, 2, 3, 4, 5, 6, 7 | ballotlemfval 34575 | . 2 ⊢ (𝜑 → ((𝐹‘𝐶)‘𝐽) = ((♯‘((1...𝐽) ∩ 𝐶)) − (♯‘((1...𝐽) ∖ 𝐶)))) |
| 9 | fzfi 13886 | . . . . . 6 ⊢ (1...𝐽) ∈ Fin | |
| 10 | inss1 4186 | . . . . . 6 ⊢ ((1...𝐽) ∩ 𝐶) ⊆ (1...𝐽) | |
| 11 | ssfi 9093 | . . . . . 6 ⊢ (((1...𝐽) ∈ Fin ∧ ((1...𝐽) ∩ 𝐶) ⊆ (1...𝐽)) → ((1...𝐽) ∩ 𝐶) ∈ Fin) | |
| 12 | 9, 10, 11 | mp2an 692 | . . . . 5 ⊢ ((1...𝐽) ∩ 𝐶) ∈ Fin |
| 13 | hashcl 14270 | . . . . 5 ⊢ (((1...𝐽) ∩ 𝐶) ∈ Fin → (♯‘((1...𝐽) ∩ 𝐶)) ∈ ℕ0) | |
| 14 | 12, 13 | ax-mp 5 | . . . 4 ⊢ (♯‘((1...𝐽) ∩ 𝐶)) ∈ ℕ0 |
| 15 | 14 | nn0zi 12507 | . . 3 ⊢ (♯‘((1...𝐽) ∩ 𝐶)) ∈ ℤ |
| 16 | difss 4085 | . . . . . 6 ⊢ ((1...𝐽) ∖ 𝐶) ⊆ (1...𝐽) | |
| 17 | ssfi 9093 | . . . . . 6 ⊢ (((1...𝐽) ∈ Fin ∧ ((1...𝐽) ∖ 𝐶) ⊆ (1...𝐽)) → ((1...𝐽) ∖ 𝐶) ∈ Fin) | |
| 18 | 9, 16, 17 | mp2an 692 | . . . . 5 ⊢ ((1...𝐽) ∖ 𝐶) ∈ Fin |
| 19 | hashcl 14270 | . . . . 5 ⊢ (((1...𝐽) ∖ 𝐶) ∈ Fin → (♯‘((1...𝐽) ∖ 𝐶)) ∈ ℕ0) | |
| 20 | 18, 19 | ax-mp 5 | . . . 4 ⊢ (♯‘((1...𝐽) ∖ 𝐶)) ∈ ℕ0 |
| 21 | 20 | nn0zi 12507 | . . 3 ⊢ (♯‘((1...𝐽) ∖ 𝐶)) ∈ ℤ |
| 22 | zsubcl 12524 | . . 3 ⊢ (((♯‘((1...𝐽) ∩ 𝐶)) ∈ ℤ ∧ (♯‘((1...𝐽) ∖ 𝐶)) ∈ ℤ) → ((♯‘((1...𝐽) ∩ 𝐶)) − (♯‘((1...𝐽) ∖ 𝐶))) ∈ ℤ) | |
| 23 | 15, 21, 22 | mp2an 692 | . 2 ⊢ ((♯‘((1...𝐽) ∩ 𝐶)) − (♯‘((1...𝐽) ∖ 𝐶))) ∈ ℤ |
| 24 | 8, 23 | eqeltrdi 2841 | 1 ⊢ (𝜑 → ((𝐹‘𝐶)‘𝐽) ∈ ℤ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 {crab 3396 ∖ cdif 3895 ∩ cin 3897 ⊆ wss 3898 𝒫 cpw 4551 ↦ cmpt 5176 ‘cfv 6489 (class class class)co 7355 Fincfn 8879 1c1 11018 + caddc 11020 − cmin 11355 / cdiv 11785 ℕcn 12136 ℕ0cn0 12392 ℤcz 12479 ...cfz 13414 ♯chash 14244 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2705 ax-rep 5221 ax-sep 5238 ax-nul 5248 ax-pow 5307 ax-pr 5374 ax-un 7677 ax-cnex 11073 ax-resscn 11074 ax-1cn 11075 ax-icn 11076 ax-addcl 11077 ax-addrcl 11078 ax-mulcl 11079 ax-mulrcl 11080 ax-mulcom 11081 ax-addass 11082 ax-mulass 11083 ax-distr 11084 ax-i2m1 11085 ax-1ne0 11086 ax-1rid 11087 ax-rnegex 11088 ax-rrecex 11089 ax-cnre 11090 ax-pre-lttri 11091 ax-pre-lttrn 11092 ax-pre-ltadd 11093 ax-pre-mulgt0 11094 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2725 df-clel 2808 df-nfc 2882 df-ne 2930 df-nel 3034 df-ral 3049 df-rex 3058 df-reu 3348 df-rab 3397 df-v 3439 df-sbc 3738 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4283 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4861 df-int 4900 df-iun 4945 df-br 5096 df-opab 5158 df-mpt 5177 df-tr 5203 df-id 5516 df-eprel 5521 df-po 5529 df-so 5530 df-fr 5574 df-we 5576 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-pred 6256 df-ord 6317 df-on 6318 df-lim 6319 df-suc 6320 df-iota 6445 df-fun 6491 df-fn 6492 df-f 6493 df-f1 6494 df-fo 6495 df-f1o 6496 df-fv 6497 df-riota 7312 df-ov 7358 df-oprab 7359 df-mpo 7360 df-om 7806 df-1st 7930 df-2nd 7931 df-frecs 8220 df-wrecs 8251 df-recs 8300 df-rdg 8338 df-1o 8394 df-er 8631 df-en 8880 df-dom 8881 df-sdom 8882 df-fin 8883 df-card 9843 df-pnf 11159 df-mnf 11160 df-xr 11161 df-ltxr 11162 df-le 11163 df-sub 11357 df-neg 11358 df-nn 12137 df-n0 12393 df-z 12480 df-uz 12743 df-fz 13415 df-hash 14245 |
| This theorem is referenced by: ballotlemfc0 34578 ballotlemfcc 34579 ballotlemodife 34583 ballotlemic 34592 ballotlem1c 34593 ballotlemfrceq 34614 ballotlemfrcn0 34615 |
| Copyright terms: Public domain | W3C validator |