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| Mirrors > Home > MPE Home > Th. List > divalglem4 | Structured version Visualization version GIF version | ||
| Description: Lemma for divalg 16380. (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 12561 | . . . . . . 7 ⊢ (𝑧 ∈ ℕ0 → 𝑧 ∈ ℤ) | |
| 4 | zsubcl 12582 | . . . . . . 7 ⊢ ((𝑁 ∈ ℤ ∧ 𝑧 ∈ ℤ) → (𝑁 − 𝑧) ∈ ℤ) | |
| 5 | 2, 3, 4 | sylancr 587 | . . . . . 6 ⊢ (𝑧 ∈ ℕ0 → (𝑁 − 𝑧) ∈ ℤ) |
| 6 | divides 16231 | . . . . . 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 12459 | . . . . . . . 8 ⊢ (𝑧 ∈ ℕ0 → 𝑧 ∈ ℂ) | |
| 9 | zmulcl 12589 | . . . . . . . . . 10 ⊢ ((𝑞 ∈ ℤ ∧ 𝐷 ∈ ℤ) → (𝑞 · 𝐷) ∈ ℤ) | |
| 10 | 1, 9 | mpan2 691 | . . . . . . . . 9 ⊢ (𝑞 ∈ ℤ → (𝑞 · 𝐷) ∈ ℤ) |
| 11 | 10 | zcnd 12646 | . . . . . . . 8 ⊢ (𝑞 ∈ ℤ → (𝑞 · 𝐷) ∈ ℂ) |
| 12 | zcn 12541 | . . . . . . . . . . 11 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
| 13 | 2, 12 | ax-mp 5 | . . . . . . . . . 10 ⊢ 𝑁 ∈ ℂ |
| 14 | subadd 11431 | . . . . . . . . . 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 11367 | . . . . . . . . . 10 ⊢ ((𝑧 ∈ ℂ ∧ (𝑞 · 𝐷) ∈ ℂ) → (𝑧 + (𝑞 · 𝐷)) = ((𝑞 · 𝐷) + 𝑧)) | |
| 17 | 16 | eqeq1d 2732 | . . . . . . . . 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 2737 | . . . . . . 7 ⊢ ((𝑁 − 𝑧) = (𝑞 · 𝐷) ↔ (𝑞 · 𝐷) = (𝑁 − 𝑧)) | |
| 21 | eqcom 2737 | . . . . . . 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 7398 | . . . . 5 ⊢ (𝑟 = 𝑧 → (𝑁 − 𝑟) = (𝑁 − 𝑧)) | |
| 27 | 26 | breq2d 5122 | . . . 4 ⊢ (𝑟 = 𝑧 → (𝐷 ∥ (𝑁 − 𝑟) ↔ 𝐷 ∥ (𝑁 − 𝑧))) |
| 28 | divalglem2.4 | . . . 4 ⊢ 𝑆 = {𝑟 ∈ ℕ0 ∣ 𝐷 ∥ (𝑁 − 𝑟)} | |
| 29 | 27, 28 | elrab2 3665 | . . 3 ⊢ (𝑧 ∈ 𝑆 ↔ (𝑧 ∈ ℕ0 ∧ 𝐷 ∥ (𝑁 − 𝑧))) |
| 30 | oveq2 7398 | . . . . . 6 ⊢ (𝑟 = 𝑧 → ((𝑞 · 𝐷) + 𝑟) = ((𝑞 · 𝐷) + 𝑧)) | |
| 31 | 30 | eqeq2d 2741 | . . . . 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 3662 | . . 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 2727 | 1 ⊢ 𝑆 = {𝑟 ∈ ℕ0 ∣ ∃𝑞 ∈ ℤ 𝑁 = ((𝑞 · 𝐷) + 𝑟)} |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∧ wa 395 = wceq 1540 ∈ wcel 2109 ≠ wne 2926 ∃wrex 3054 {crab 3408 class class class wbr 5110 (class class class)co 7390 ℂcc 11073 0cc0 11075 + caddc 11078 · cmul 11080 − cmin 11412 ℕ0cn0 12449 ℤcz 12536 ∥ cdvds 16229 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-sep 5254 ax-nul 5264 ax-pow 5323 ax-pr 5390 ax-un 7714 ax-resscn 11132 ax-1cn 11133 ax-icn 11134 ax-addcl 11135 ax-addrcl 11136 ax-mulcl 11137 ax-mulrcl 11138 ax-mulcom 11139 ax-addass 11140 ax-mulass 11141 ax-distr 11142 ax-i2m1 11143 ax-1ne0 11144 ax-1rid 11145 ax-rnegex 11146 ax-rrecex 11147 ax-cnre 11148 ax-pre-lttri 11149 ax-pre-lttrn 11150 ax-pre-ltadd 11151 ax-pre-mulgt0 11152 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2879 df-ne 2927 df-nel 3031 df-ral 3046 df-rex 3055 df-reu 3357 df-rab 3409 df-v 3452 df-sbc 3757 df-csb 3866 df-dif 3920 df-un 3922 df-in 3924 df-ss 3934 df-pss 3937 df-nul 4300 df-if 4492 df-pw 4568 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-iun 4960 df-br 5111 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5536 df-eprel 5541 df-po 5549 df-so 5550 df-fr 5594 df-we 5596 df-xp 5647 df-rel 5648 df-cnv 5649 df-co 5650 df-dm 5651 df-rn 5652 df-res 5653 df-ima 5654 df-pred 6277 df-ord 6338 df-on 6339 df-lim 6340 df-suc 6341 df-iota 6467 df-fun 6516 df-fn 6517 df-f 6518 df-f1 6519 df-fo 6520 df-f1o 6521 df-fv 6522 df-riota 7347 df-ov 7393 df-oprab 7394 df-mpo 7395 df-om 7846 df-2nd 7972 df-frecs 8263 df-wrecs 8294 df-recs 8343 df-rdg 8381 df-er 8674 df-en 8922 df-dom 8923 df-sdom 8924 df-pnf 11217 df-mnf 11218 df-xr 11219 df-ltxr 11220 df-le 11221 df-sub 11414 df-neg 11415 df-nn 12194 df-n0 12450 df-z 12537 df-dvds 16230 |
| This theorem is referenced by: divalglem10 16379 |
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