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| Mirrors > Home > MPE Home > Th. List > Mathboxes > modn0mul | Structured version Visualization version GIF version | ||
| Description: If an integer is not 0 modulo a positive integer, this integer must be the sum of the product of another integer and the modulus and a positive integer less than the modulus. (Contributed by AV, 7-Jun-2020.) |
| Ref | Expression |
|---|---|
| modn0mul | ⊢ ((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) → ((𝐴 mod 𝑁) ≠ 0 → ∃𝑥 ∈ ℤ ∃𝑦 ∈ (1..^𝑁)𝐴 = ((𝑥 · 𝑁) + 𝑦))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zre 12617 | . . . . . . 7 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ ℝ) | |
| 2 | 1 | adantr 480 | . . . . . 6 ⊢ ((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) → 𝐴 ∈ ℝ) |
| 3 | nnre 12273 | . . . . . . 7 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℝ) | |
| 4 | 3 | adantl 481 | . . . . . 6 ⊢ ((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) → 𝑁 ∈ ℝ) |
| 5 | nnne0 12300 | . . . . . . 7 ⊢ (𝑁 ∈ ℕ → 𝑁 ≠ 0) | |
| 6 | 5 | adantl 481 | . . . . . 6 ⊢ ((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) → 𝑁 ≠ 0) |
| 7 | 2, 4, 6 | redivcld 12095 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) → (𝐴 / 𝑁) ∈ ℝ) |
| 8 | 7 | flcld 13838 | . . . 4 ⊢ ((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) → (⌊‘(𝐴 / 𝑁)) ∈ ℤ) |
| 9 | 8 | adantr 480 | . . 3 ⊢ (((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) ∧ (𝐴 mod 𝑁) ≠ 0) → (⌊‘(𝐴 / 𝑁)) ∈ ℤ) |
| 10 | zmodfzo 13934 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) → (𝐴 mod 𝑁) ∈ (0..^𝑁)) | |
| 11 | 10 | anim1i 615 | . . . 4 ⊢ (((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) ∧ (𝐴 mod 𝑁) ≠ 0) → ((𝐴 mod 𝑁) ∈ (0..^𝑁) ∧ (𝐴 mod 𝑁) ≠ 0)) |
| 12 | fzo1fzo0n0 13754 | . . . 4 ⊢ ((𝐴 mod 𝑁) ∈ (1..^𝑁) ↔ ((𝐴 mod 𝑁) ∈ (0..^𝑁) ∧ (𝐴 mod 𝑁) ≠ 0)) | |
| 13 | 11, 12 | sylibr 234 | . . 3 ⊢ (((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) ∧ (𝐴 mod 𝑁) ≠ 0) → (𝐴 mod 𝑁) ∈ (1..^𝑁)) |
| 14 | nnrp 13046 | . . . . . . 7 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℝ+) | |
| 15 | 1, 14 | anim12i 613 | . . . . . 6 ⊢ ((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) → (𝐴 ∈ ℝ ∧ 𝑁 ∈ ℝ+)) |
| 16 | 15 | adantr 480 | . . . . 5 ⊢ (((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) ∧ (𝐴 mod 𝑁) ≠ 0) → (𝐴 ∈ ℝ ∧ 𝑁 ∈ ℝ+)) |
| 17 | flpmodeq 13914 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℝ+) → (((⌊‘(𝐴 / 𝑁)) · 𝑁) + (𝐴 mod 𝑁)) = 𝐴) | |
| 18 | 16, 17 | syl 17 | . . . 4 ⊢ (((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) ∧ (𝐴 mod 𝑁) ≠ 0) → (((⌊‘(𝐴 / 𝑁)) · 𝑁) + (𝐴 mod 𝑁)) = 𝐴) |
| 19 | 18 | eqcomd 2743 | . . 3 ⊢ (((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) ∧ (𝐴 mod 𝑁) ≠ 0) → 𝐴 = (((⌊‘(𝐴 / 𝑁)) · 𝑁) + (𝐴 mod 𝑁))) |
| 20 | oveq1 7438 | . . . . . 6 ⊢ (𝑥 = (⌊‘(𝐴 / 𝑁)) → (𝑥 · 𝑁) = ((⌊‘(𝐴 / 𝑁)) · 𝑁)) | |
| 21 | 20 | oveq1d 7446 | . . . . 5 ⊢ (𝑥 = (⌊‘(𝐴 / 𝑁)) → ((𝑥 · 𝑁) + 𝑦) = (((⌊‘(𝐴 / 𝑁)) · 𝑁) + 𝑦)) |
| 22 | 21 | eqeq2d 2748 | . . . 4 ⊢ (𝑥 = (⌊‘(𝐴 / 𝑁)) → (𝐴 = ((𝑥 · 𝑁) + 𝑦) ↔ 𝐴 = (((⌊‘(𝐴 / 𝑁)) · 𝑁) + 𝑦))) |
| 23 | oveq2 7439 | . . . . 5 ⊢ (𝑦 = (𝐴 mod 𝑁) → (((⌊‘(𝐴 / 𝑁)) · 𝑁) + 𝑦) = (((⌊‘(𝐴 / 𝑁)) · 𝑁) + (𝐴 mod 𝑁))) | |
| 24 | 23 | eqeq2d 2748 | . . . 4 ⊢ (𝑦 = (𝐴 mod 𝑁) → (𝐴 = (((⌊‘(𝐴 / 𝑁)) · 𝑁) + 𝑦) ↔ 𝐴 = (((⌊‘(𝐴 / 𝑁)) · 𝑁) + (𝐴 mod 𝑁)))) |
| 25 | 22, 24 | rspc2ev 3635 | . . 3 ⊢ (((⌊‘(𝐴 / 𝑁)) ∈ ℤ ∧ (𝐴 mod 𝑁) ∈ (1..^𝑁) ∧ 𝐴 = (((⌊‘(𝐴 / 𝑁)) · 𝑁) + (𝐴 mod 𝑁))) → ∃𝑥 ∈ ℤ ∃𝑦 ∈ (1..^𝑁)𝐴 = ((𝑥 · 𝑁) + 𝑦)) |
| 26 | 9, 13, 19, 25 | syl3anc 1373 | . 2 ⊢ (((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) ∧ (𝐴 mod 𝑁) ≠ 0) → ∃𝑥 ∈ ℤ ∃𝑦 ∈ (1..^𝑁)𝐴 = ((𝑥 · 𝑁) + 𝑦)) |
| 27 | 26 | ex 412 | 1 ⊢ ((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℕ) → ((𝐴 mod 𝑁) ≠ 0 → ∃𝑥 ∈ ℤ ∃𝑦 ∈ (1..^𝑁)𝐴 = ((𝑥 · 𝑁) + 𝑦))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2108 ≠ wne 2940 ∃wrex 3070 ‘cfv 6561 (class class class)co 7431 ℝcr 11154 0cc0 11155 1c1 11156 + caddc 11158 · cmul 11160 / cdiv 11920 ℕcn 12266 ℤcz 12613 ℝ+crp 13034 ..^cfzo 13694 ⌊cfl 13830 mod cmo 13909 |
| 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 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-sep 5296 ax-nul 5306 ax-pow 5365 ax-pr 5432 ax-un 7755 ax-cnex 11211 ax-resscn 11212 ax-1cn 11213 ax-icn 11214 ax-addcl 11215 ax-addrcl 11216 ax-mulcl 11217 ax-mulrcl 11218 ax-mulcom 11219 ax-addass 11220 ax-mulass 11221 ax-distr 11222 ax-i2m1 11223 ax-1ne0 11224 ax-1rid 11225 ax-rnegex 11226 ax-rrecex 11227 ax-cnre 11228 ax-pre-lttri 11229 ax-pre-lttrn 11230 ax-pre-ltadd 11231 ax-pre-mulgt0 11232 ax-pre-sup 11233 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3380 df-reu 3381 df-rab 3437 df-v 3482 df-sbc 3789 df-csb 3900 df-dif 3954 df-un 3956 df-in 3958 df-ss 3968 df-pss 3971 df-nul 4334 df-if 4526 df-pw 4602 df-sn 4627 df-pr 4629 df-op 4633 df-uni 4908 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5226 df-tr 5260 df-id 5578 df-eprel 5584 df-po 5592 df-so 5593 df-fr 5637 df-we 5639 df-xp 5691 df-rel 5692 df-cnv 5693 df-co 5694 df-dm 5695 df-rn 5696 df-res 5697 df-ima 5698 df-pred 6321 df-ord 6387 df-on 6388 df-lim 6389 df-suc 6390 df-iota 6514 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-om 7888 df-1st 8014 df-2nd 8015 df-frecs 8306 df-wrecs 8337 df-recs 8411 df-rdg 8450 df-er 8745 df-en 8986 df-dom 8987 df-sdom 8988 df-sup 9482 df-inf 9483 df-pnf 11297 df-mnf 11298 df-xr 11299 df-ltxr 11300 df-le 11301 df-sub 11494 df-neg 11495 df-div 11921 df-nn 12267 df-n0 12527 df-z 12614 df-uz 12879 df-rp 13035 df-fz 13548 df-fzo 13695 df-fl 13832 df-mod 13910 |
| This theorem is referenced by: m1modmmod 48442 |
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