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| Mirrors > Home > ILE Home > Th. List > ndvdsi | GIF version | ||
| Description: A quick test for non-divisibility. (Contributed by Mario Carneiro, 18-Feb-2014.) |
| Ref | Expression |
|---|---|
| ndvdsi.1 | ⊢ 𝐴 ∈ ℕ |
| ndvdsi.2 | ⊢ 𝑄 ∈ ℕ0 |
| ndvdsi.3 | ⊢ 𝑅 ∈ ℕ |
| ndvdsi.4 | ⊢ ((𝐴 · 𝑄) + 𝑅) = 𝐵 |
| ndvdsi.5 | ⊢ 𝑅 < 𝐴 |
| Ref | Expression |
|---|---|
| ndvdsi | ⊢ ¬ 𝐴 ∥ 𝐵 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ndvdsi.1 | . . . . 5 ⊢ 𝐴 ∈ ℕ | |
| 2 | 1 | nnzi 9677 | . . . 4 ⊢ 𝐴 ∈ ℤ |
| 3 | ndvdsi.2 | . . . . 5 ⊢ 𝑄 ∈ ℕ0 | |
| 4 | 3 | nn0zi 9678 | . . . 4 ⊢ 𝑄 ∈ ℤ |
| 5 | dvdsmul1 12606 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝑄 ∈ ℤ) → 𝐴 ∥ (𝐴 · 𝑄)) | |
| 6 | 2, 4, 5 | mp2an 430 | . . 3 ⊢ 𝐴 ∥ (𝐴 · 𝑄) |
| 7 | zmulcl 9710 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝑄 ∈ ℤ) → (𝐴 · 𝑄) ∈ ℤ) | |
| 8 | 2, 4, 7 | mp2an 430 | . . . 4 ⊢ (𝐴 · 𝑄) ∈ ℤ |
| 9 | ndvdsi.3 | . . . . 5 ⊢ 𝑅 ∈ ℕ | |
| 10 | ndvdsi.5 | . . . . 5 ⊢ 𝑅 < 𝐴 | |
| 11 | 9, 10 | pm3.2i 272 | . . . 4 ⊢ (𝑅 ∈ ℕ ∧ 𝑅 < 𝐴) |
| 12 | ndvdsadd 12724 | . . . 4 ⊢ (((𝐴 · 𝑄) ∈ ℤ ∧ 𝐴 ∈ ℕ ∧ (𝑅 ∈ ℕ ∧ 𝑅 < 𝐴)) → (𝐴 ∥ (𝐴 · 𝑄) → ¬ 𝐴 ∥ ((𝐴 · 𝑄) + 𝑅))) | |
| 13 | 8, 1, 11, 12 | mp3an 1378 | . . 3 ⊢ (𝐴 ∥ (𝐴 · 𝑄) → ¬ 𝐴 ∥ ((𝐴 · 𝑄) + 𝑅)) |
| 14 | 6, 13 | ax-mp 5 | . 2 ⊢ ¬ 𝐴 ∥ ((𝐴 · 𝑄) + 𝑅) |
| 15 | ndvdsi.4 | . . 3 ⊢ ((𝐴 · 𝑄) + 𝑅) = 𝐵 | |
| 16 | 15 | breq2i 4139 | . 2 ⊢ (𝐴 ∥ ((𝐴 · 𝑄) + 𝑅) ↔ 𝐴 ∥ 𝐵) |
| 17 | 14, 16 | mtbi 681 | 1 ⊢ ¬ 𝐴 ∥ 𝐵 |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ wa 104 = wceq 1402 ∈ wcel 2209 class class class wbr 4131 (class class class)co 6088 + caddc 8189 · cmul 8191 < clt 8367 ℕcn 9314 ℕ0cn0 9575 ℤcz 9656 ∥ cdvds 12580 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4248 ax-sep 4251 ax-nul 4261 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-iinf 4737 ax-cnex 8277 ax-resscn 8278 ax-1cn 8279 ax-1re 8280 ax-icn 8281 ax-addcl 8282 ax-addrcl 8283 ax-mulcl 8284 ax-mulrcl 8285 ax-addcom 8286 ax-mulcom 8287 ax-addass 8288 ax-mulass 8289 ax-distr 8290 ax-i2m1 8291 ax-0lt1 8292 ax-1rid 8293 ax-0id 8294 ax-rnegex 8295 ax-precex 8296 ax-cnre 8297 ax-pre-ltirr 8298 ax-pre-ltwlin 8299 ax-pre-lttrn 8300 ax-pre-apti 8301 ax-pre-ltadd 8302 ax-pre-mulgt0 8303 ax-pre-mulext 8304 ax-arch 8305 |
| This proof depends on definitions: df-bi 117 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3639 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-iun 4014 df-br 4132 df-opab 4194 df-mpt 4195 df-tr 4232 df-id 4440 df-po 4443 df-iso 4444 df-iord 4513 df-on 4515 df-ilim 4516 df-suc 4518 df-iom 4740 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-ima 4789 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-f1 5385 df-fo 5386 df-f1o 5387 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-1st 6378 df-2nd 6379 df-recs 6580 df-frec 6666 df-pnf 8369 df-mnf 8370 df-xr 8371 df-ltxr 8372 df-le 8373 df-sub 8507 df-neg 8508 df-reap 8912 df-ap 8919 df-div 9012 df-inn 9315 df-2 9373 df-n0 9576 df-z 9657 df-uz 9939 df-q 10037 df-rp 10073 df-fl 10723 df-mod 10782 df-seqfrec 10907 df-exp 10998 df-cj 11630 df-re 11631 df-im 11632 df-rsqrt 11787 df-abs 11788 df-dvds 12581 |
| This theorem is used by: 5ndvds3 12727 5ndvds6 12728 dec5dvds 13221 5prm 13253 7prm 13255 11prm 13259 13prm 13260 17prm 13261 19prm 13262 23prm 13263 37prm 13265 43prm 13266 83prm 13267 139prm 13268 163prm 13269 317prm 13270 631prm 13271 1259lem5 13276 |
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