| Mathbox for Stefan O'Rear |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > congrep | Structured version Visualization version GIF version | ||
| Description: Every integer is congruent to some number in the fundamental domain. (Contributed by Stefan O'Rear, 2-Oct-2014.) |
| Ref | Expression |
|---|---|
| congrep | ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → ∃𝑎 ∈ (0...(𝐴 − 1))𝐴 ∥ (𝑎 − 𝑁)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zmodfz 13799 | . . 3 ⊢ ((𝑁 ∈ ℤ ∧ 𝐴 ∈ ℕ) → (𝑁 mod 𝐴) ∈ (0...(𝐴 − 1))) | |
| 2 | 1 | ancoms 458 | . 2 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → (𝑁 mod 𝐴) ∈ (0...(𝐴 − 1))) |
| 3 | nnz 12496 | . . . 4 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℤ) | |
| 4 | 3 | adantr 480 | . . 3 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → 𝐴 ∈ ℤ) |
| 5 | simpr 484 | . . 3 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → 𝑁 ∈ ℤ) | |
| 6 | zmodcl 13797 | . . . . 5 ⊢ ((𝑁 ∈ ℤ ∧ 𝐴 ∈ ℕ) → (𝑁 mod 𝐴) ∈ ℕ0) | |
| 7 | 6 | ancoms 458 | . . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → (𝑁 mod 𝐴) ∈ ℕ0) |
| 8 | 7 | nn0zd 12500 | . . 3 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → (𝑁 mod 𝐴) ∈ ℤ) |
| 9 | zre 12479 | . . . . 5 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℝ) | |
| 10 | nnrp 12904 | . . . . 5 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℝ+) | |
| 11 | moddifz 13789 | . . . . 5 ⊢ ((𝑁 ∈ ℝ ∧ 𝐴 ∈ ℝ+) → ((𝑁 − (𝑁 mod 𝐴)) / 𝐴) ∈ ℤ) | |
| 12 | 9, 10, 11 | syl2anr 597 | . . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → ((𝑁 − (𝑁 mod 𝐴)) / 𝐴) ∈ ℤ) |
| 13 | nnne0 12166 | . . . . . 6 ⊢ (𝐴 ∈ ℕ → 𝐴 ≠ 0) | |
| 14 | 13 | adantr 480 | . . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → 𝐴 ≠ 0) |
| 15 | 5, 8 | zsubcld 12588 | . . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → (𝑁 − (𝑁 mod 𝐴)) ∈ ℤ) |
| 16 | dvdsval2 16168 | . . . . 5 ⊢ ((𝐴 ∈ ℤ ∧ 𝐴 ≠ 0 ∧ (𝑁 − (𝑁 mod 𝐴)) ∈ ℤ) → (𝐴 ∥ (𝑁 − (𝑁 mod 𝐴)) ↔ ((𝑁 − (𝑁 mod 𝐴)) / 𝐴) ∈ ℤ)) | |
| 17 | 4, 14, 15, 16 | syl3anc 1373 | . . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → (𝐴 ∥ (𝑁 − (𝑁 mod 𝐴)) ↔ ((𝑁 − (𝑁 mod 𝐴)) / 𝐴) ∈ ℤ)) |
| 18 | 12, 17 | mpbird 257 | . . 3 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → 𝐴 ∥ (𝑁 − (𝑁 mod 𝐴))) |
| 19 | congsym 43085 | . . 3 ⊢ (((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ ((𝑁 mod 𝐴) ∈ ℤ ∧ 𝐴 ∥ (𝑁 − (𝑁 mod 𝐴)))) → 𝐴 ∥ ((𝑁 mod 𝐴) − 𝑁)) | |
| 20 | 4, 5, 8, 18, 19 | syl22anc 838 | . 2 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → 𝐴 ∥ ((𝑁 mod 𝐴) − 𝑁)) |
| 21 | oveq1 7359 | . . . 4 ⊢ (𝑎 = (𝑁 mod 𝐴) → (𝑎 − 𝑁) = ((𝑁 mod 𝐴) − 𝑁)) | |
| 22 | 21 | breq2d 5105 | . . 3 ⊢ (𝑎 = (𝑁 mod 𝐴) → (𝐴 ∥ (𝑎 − 𝑁) ↔ 𝐴 ∥ ((𝑁 mod 𝐴) − 𝑁))) |
| 23 | 22 | rspcev 3573 | . 2 ⊢ (((𝑁 mod 𝐴) ∈ (0...(𝐴 − 1)) ∧ 𝐴 ∥ ((𝑁 mod 𝐴) − 𝑁)) → ∃𝑎 ∈ (0...(𝐴 − 1))𝐴 ∥ (𝑎 − 𝑁)) |
| 24 | 2, 20, 23 | syl2anc 584 | 1 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → ∃𝑎 ∈ (0...(𝐴 − 1))𝐴 ∥ (𝑎 − 𝑁)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1541 ∈ wcel 2113 ≠ wne 2929 ∃wrex 3057 class class class wbr 5093 (class class class)co 7352 ℝcr 11012 0cc0 11013 1c1 11014 − cmin 11351 / cdiv 11781 ℕcn 12132 ℕ0cn0 12388 ℤcz 12475 ℝ+crp 12892 ...cfz 13409 mod cmo 13775 ∥ cdvds 16165 |
| 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-sep 5236 ax-nul 5246 ax-pow 5305 ax-pr 5372 ax-un 7674 ax-cnex 11069 ax-resscn 11070 ax-1cn 11071 ax-icn 11072 ax-addcl 11073 ax-addrcl 11074 ax-mulcl 11075 ax-mulrcl 11076 ax-mulcom 11077 ax-addass 11078 ax-mulass 11079 ax-distr 11080 ax-i2m1 11081 ax-1ne0 11082 ax-1rid 11083 ax-rnegex 11084 ax-rrecex 11085 ax-cnre 11086 ax-pre-lttri 11087 ax-pre-lttrn 11088 ax-pre-ltadd 11089 ax-pre-mulgt0 11090 ax-pre-sup 11091 |
| 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-rmo 3347 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 4475 df-pw 4551 df-sn 4576 df-pr 4578 df-op 4582 df-uni 4859 df-iun 4943 df-br 5094 df-opab 5156 df-mpt 5175 df-tr 5201 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6253 df-ord 6314 df-on 6315 df-lim 6316 df-suc 6317 df-iota 6442 df-fun 6488 df-fn 6489 df-f 6490 df-f1 6491 df-fo 6492 df-f1o 6493 df-fv 6494 df-riota 7309 df-ov 7355 df-oprab 7356 df-mpo 7357 df-om 7803 df-2nd 7928 df-frecs 8217 df-wrecs 8248 df-recs 8297 df-rdg 8335 df-er 8628 df-en 8876 df-dom 8877 df-sdom 8878 df-sup 9333 df-inf 9334 df-pnf 11155 df-mnf 11156 df-xr 11157 df-ltxr 11158 df-le 11159 df-sub 11353 df-neg 11354 df-div 11782 df-nn 12133 df-n0 12389 df-z 12476 df-uz 12739 df-rp 12893 df-fz 13410 df-fl 13698 df-mod 13776 df-dvds 16166 |
| This theorem is referenced by: acongrep 43097 |
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