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| Mirrors > Home > MPE Home > Th. List > divalglem4 | Structured version Visualization version GIF version | ||
| Description: Lemma for divalg 16328. (Contributed by Paul Chapman, 21-Mar-2011.) |
| Ref | Expression |
|---|---|
| divalglem0.1 | ⊢ 𝑁 ∈ ℤ |
| divalglem0.2 | ⊢ 𝐷 ∈ ℤ |
| divalglem1.3 | ⊢ 𝐷 ≠ 0 |
| divalglem2.4 | ⊢ 𝑆 = {𝑟 ∈ ℕ0 ∣ 𝐷 ∥ (𝑁 − 𝑟)} |
| Ref | Expression |
|---|---|
| divalglem4 | ⊢ 𝑆 = {𝑟 ∈ ℕ0 ∣ ∃𝑞 ∈ ℤ 𝑁 = ((𝑞 · 𝐷) + 𝑟)} |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | divalglem0.2 | . . . . . 6 ⊢ 𝐷 ∈ ℤ | |
| 2 | divalglem0.1 | . . . . . . 7 ⊢ 𝑁 ∈ ℤ | |
| 3 | nn0z 12510 | . . . . . . 7 ⊢ (𝑧 ∈ ℕ0 → 𝑧 ∈ ℤ) | |
| 4 | zsubcl 12531 | . . . . . . 7 ⊢ ((𝑁 ∈ ℤ ∧ 𝑧 ∈ ℤ) → (𝑁 − 𝑧) ∈ ℤ) | |
| 5 | 2, 3, 4 | sylancr 587 | . . . . . 6 ⊢ (𝑧 ∈ ℕ0 → (𝑁 − 𝑧) ∈ ℤ) |
| 6 | divides 16179 | . . . . . 6 ⊢ ((𝐷 ∈ ℤ ∧ (𝑁 − 𝑧) ∈ ℤ) → (𝐷 ∥ (𝑁 − 𝑧) ↔ ∃𝑞 ∈ ℤ (𝑞 · 𝐷) = (𝑁 − 𝑧))) | |
| 7 | 1, 5, 6 | sylancr 587 | . . . . 5 ⊢ (𝑧 ∈ ℕ0 → (𝐷 ∥ (𝑁 − 𝑧) ↔ ∃𝑞 ∈ ℤ (𝑞 · 𝐷) = (𝑁 − 𝑧))) |
| 8 | nn0cn 12409 | . . . . . . . 8 ⊢ (𝑧 ∈ ℕ0 → 𝑧 ∈ ℂ) | |
| 9 | zmulcl 12538 | . . . . . . . . . 10 ⊢ ((𝑞 ∈ ℤ ∧ 𝐷 ∈ ℤ) → (𝑞 · 𝐷) ∈ ℤ) | |
| 10 | 1, 9 | mpan2 691 | . . . . . . . . 9 ⊢ (𝑞 ∈ ℤ → (𝑞 · 𝐷) ∈ ℤ) |
| 11 | 10 | zcnd 12595 | . . . . . . . 8 ⊢ (𝑞 ∈ ℤ → (𝑞 · 𝐷) ∈ ℂ) |
| 12 | zcn 12491 | . . . . . . . . . . 11 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
| 13 | 2, 12 | ax-mp 5 | . . . . . . . . . 10 ⊢ 𝑁 ∈ ℂ |
| 14 | subadd 11381 | . . . . . . . . . 10 ⊢ ((𝑁 ∈ ℂ ∧ 𝑧 ∈ ℂ ∧ (𝑞 · 𝐷) ∈ ℂ) → ((𝑁 − 𝑧) = (𝑞 · 𝐷) ↔ (𝑧 + (𝑞 · 𝐷)) = 𝑁)) | |
| 15 | 13, 14 | mp3an1 1450 | . . . . . . . . 9 ⊢ ((𝑧 ∈ ℂ ∧ (𝑞 · 𝐷) ∈ ℂ) → ((𝑁 − 𝑧) = (𝑞 · 𝐷) ↔ (𝑧 + (𝑞 · 𝐷)) = 𝑁)) |
| 16 | addcom 11317 | . . . . . . . . . 10 ⊢ ((𝑧 ∈ ℂ ∧ (𝑞 · 𝐷) ∈ ℂ) → (𝑧 + (𝑞 · 𝐷)) = ((𝑞 · 𝐷) + 𝑧)) | |
| 17 | 16 | eqeq1d 2736 | . . . . . . . . 9 ⊢ ((𝑧 ∈ ℂ ∧ (𝑞 · 𝐷) ∈ ℂ) → ((𝑧 + (𝑞 · 𝐷)) = 𝑁 ↔ ((𝑞 · 𝐷) + 𝑧) = 𝑁)) |
| 18 | 15, 17 | bitrd 279 | . . . . . . . 8 ⊢ ((𝑧 ∈ ℂ ∧ (𝑞 · 𝐷) ∈ ℂ) → ((𝑁 − 𝑧) = (𝑞 · 𝐷) ↔ ((𝑞 · 𝐷) + 𝑧) = 𝑁)) |
| 19 | 8, 11, 18 | syl2an 596 | . . . . . . 7 ⊢ ((𝑧 ∈ ℕ0 ∧ 𝑞 ∈ ℤ) → ((𝑁 − 𝑧) = (𝑞 · 𝐷) ↔ ((𝑞 · 𝐷) + 𝑧) = 𝑁)) |
| 20 | eqcom 2741 | . . . . . . 7 ⊢ ((𝑁 − 𝑧) = (𝑞 · 𝐷) ↔ (𝑞 · 𝐷) = (𝑁 − 𝑧)) | |
| 21 | eqcom 2741 | . . . . . . 7 ⊢ (((𝑞 · 𝐷) + 𝑧) = 𝑁 ↔ 𝑁 = ((𝑞 · 𝐷) + 𝑧)) | |
| 22 | 19, 20, 21 | 3bitr3g 313 | . . . . . 6 ⊢ ((𝑧 ∈ ℕ0 ∧ 𝑞 ∈ ℤ) → ((𝑞 · 𝐷) = (𝑁 − 𝑧) ↔ 𝑁 = ((𝑞 · 𝐷) + 𝑧))) |
| 23 | 22 | rexbidva 3156 | . . . . 5 ⊢ (𝑧 ∈ ℕ0 → (∃𝑞 ∈ ℤ (𝑞 · 𝐷) = (𝑁 − 𝑧) ↔ ∃𝑞 ∈ ℤ 𝑁 = ((𝑞 · 𝐷) + 𝑧))) |
| 24 | 7, 23 | bitrd 279 | . . . 4 ⊢ (𝑧 ∈ ℕ0 → (𝐷 ∥ (𝑁 − 𝑧) ↔ ∃𝑞 ∈ ℤ 𝑁 = ((𝑞 · 𝐷) + 𝑧))) |
| 25 | 24 | pm5.32i 574 | . . 3 ⊢ ((𝑧 ∈ ℕ0 ∧ 𝐷 ∥ (𝑁 − 𝑧)) ↔ (𝑧 ∈ ℕ0 ∧ ∃𝑞 ∈ ℤ 𝑁 = ((𝑞 · 𝐷) + 𝑧))) |
| 26 | oveq2 7364 | . . . . 5 ⊢ (𝑟 = 𝑧 → (𝑁 − 𝑟) = (𝑁 − 𝑧)) | |
| 27 | 26 | breq2d 5108 | . . . 4 ⊢ (𝑟 = 𝑧 → (𝐷 ∥ (𝑁 − 𝑟) ↔ 𝐷 ∥ (𝑁 − 𝑧))) |
| 28 | divalglem2.4 | . . . 4 ⊢ 𝑆 = {𝑟 ∈ ℕ0 ∣ 𝐷 ∥ (𝑁 − 𝑟)} | |
| 29 | 27, 28 | elrab2 3647 | . . 3 ⊢ (𝑧 ∈ 𝑆 ↔ (𝑧 ∈ ℕ0 ∧ 𝐷 ∥ (𝑁 − 𝑧))) |
| 30 | oveq2 7364 | . . . . . 6 ⊢ (𝑟 = 𝑧 → ((𝑞 · 𝐷) + 𝑟) = ((𝑞 · 𝐷) + 𝑧)) | |
| 31 | 30 | eqeq2d 2745 | . . . . 5 ⊢ (𝑟 = 𝑧 → (𝑁 = ((𝑞 · 𝐷) + 𝑟) ↔ 𝑁 = ((𝑞 · 𝐷) + 𝑧))) |
| 32 | 31 | rexbidv 3158 | . . . 4 ⊢ (𝑟 = 𝑧 → (∃𝑞 ∈ ℤ 𝑁 = ((𝑞 · 𝐷) + 𝑟) ↔ ∃𝑞 ∈ ℤ 𝑁 = ((𝑞 · 𝐷) + 𝑧))) |
| 33 | 32 | elrab 3644 | . . 3 ⊢ (𝑧 ∈ {𝑟 ∈ ℕ0 ∣ ∃𝑞 ∈ ℤ 𝑁 = ((𝑞 · 𝐷) + 𝑟)} ↔ (𝑧 ∈ ℕ0 ∧ ∃𝑞 ∈ ℤ 𝑁 = ((𝑞 · 𝐷) + 𝑧))) |
| 34 | 25, 29, 33 | 3bitr4i 303 | . 2 ⊢ (𝑧 ∈ 𝑆 ↔ 𝑧 ∈ {𝑟 ∈ ℕ0 ∣ ∃𝑞 ∈ ℤ 𝑁 = ((𝑞 · 𝐷) + 𝑟)}) |
| 35 | 34 | eqriv 2731 | 1 ⊢ 𝑆 = {𝑟 ∈ ℕ0 ∣ ∃𝑞 ∈ ℤ 𝑁 = ((𝑞 · 𝐷) + 𝑟)} |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∧ wa 395 = wceq 1541 ∈ wcel 2113 ≠ wne 2930 ∃wrex 3058 {crab 3397 class class class wbr 5096 (class class class)co 7356 ℂcc 11022 0cc0 11024 + caddc 11027 · cmul 11029 − cmin 11362 ℕ0cn0 12399 ℤcz 12486 ∥ cdvds 16177 |
| 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 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 ax-resscn 11081 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-addrcl 11085 ax-mulcl 11086 ax-mulrcl 11087 ax-mulcom 11088 ax-addass 11089 ax-mulass 11090 ax-distr 11091 ax-i2m1 11092 ax-1ne0 11093 ax-1rid 11094 ax-rnegex 11095 ax-rrecex 11096 ax-cnre 11097 ax-pre-lttri 11098 ax-pre-lttrn 11099 ax-pre-ltadd 11100 ax-pre-mulgt0 11101 |
| 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 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3059 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-iun 4946 df-br 5097 df-opab 5159 df-mpt 5178 df-tr 5204 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-om 7807 df-2nd 7932 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-er 8633 df-en 8882 df-dom 8883 df-sdom 8884 df-pnf 11166 df-mnf 11167 df-xr 11168 df-ltxr 11169 df-le 11170 df-sub 11364 df-neg 11365 df-nn 12144 df-n0 12400 df-z 12487 df-dvds 16178 |
| This theorem is referenced by: divalglem10 16327 |
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