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 13613 | . . 3 ⊢ ((𝑁 ∈ ℤ ∧ 𝐴 ∈ ℕ) → (𝑁 mod 𝐴) ∈ (0...(𝐴 − 1))) | |
2 | 1 | ancoms 459 | . 2 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → (𝑁 mod 𝐴) ∈ (0...(𝐴 − 1))) |
3 | nnz 12342 | . . . 4 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℤ) | |
4 | 3 | adantr 481 | . . 3 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → 𝐴 ∈ ℤ) |
5 | simpr 485 | . . 3 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → 𝑁 ∈ ℤ) | |
6 | zmodcl 13611 | . . . . 5 ⊢ ((𝑁 ∈ ℤ ∧ 𝐴 ∈ ℕ) → (𝑁 mod 𝐴) ∈ ℕ0) | |
7 | 6 | ancoms 459 | . . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → (𝑁 mod 𝐴) ∈ ℕ0) |
8 | 7 | nn0zd 12424 | . . 3 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → (𝑁 mod 𝐴) ∈ ℤ) |
9 | zre 12323 | . . . . 5 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℝ) | |
10 | nnrp 12741 | . . . . 5 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℝ+) | |
11 | moddifz 13603 | . . . . 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 12007 | . . . . . 6 ⊢ (𝐴 ∈ ℕ → 𝐴 ≠ 0) | |
14 | 13 | adantr 481 | . . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → 𝐴 ≠ 0) |
15 | 5, 8 | zsubcld 12431 | . . . . 5 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → (𝑁 − (𝑁 mod 𝐴)) ∈ ℤ) |
16 | dvdsval2 15966 | . . . . 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 1370 | . . . 4 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → (𝐴 ∥ (𝑁 − (𝑁 mod 𝐴)) ↔ ((𝑁 − (𝑁 mod 𝐴)) / 𝐴) ∈ ℤ)) |
18 | 12, 17 | mpbird 256 | . . 3 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → 𝐴 ∥ (𝑁 − (𝑁 mod 𝐴))) |
19 | congsym 40790 | . . 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 836 | . 2 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℤ) → 𝐴 ∥ ((𝑁 mod 𝐴) − 𝑁)) |
21 | oveq1 7282 | . . . 4 ⊢ (𝑎 = (𝑁 mod 𝐴) → (𝑎 − 𝑁) = ((𝑁 mod 𝐴) − 𝑁)) | |
22 | 21 | breq2d 5086 | . . 3 ⊢ (𝑎 = (𝑁 mod 𝐴) → (𝐴 ∥ (𝑎 − 𝑁) ↔ 𝐴 ∥ ((𝑁 mod 𝐴) − 𝑁))) |
23 | 22 | rspcev 3561 | . 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 205 ∧ wa 396 = wceq 1539 ∈ wcel 2106 ≠ wne 2943 ∃wrex 3065 class class class wbr 5074 (class class class)co 7275 ℝcr 10870 0cc0 10871 1c1 10872 − cmin 11205 / cdiv 11632 ℕcn 11973 ℕ0cn0 12233 ℤcz 12319 ℝ+crp 12730 ...cfz 13239 mod cmo 13589 ∥ cdvds 15963 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 ax-pre-sup 10949 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-sup 9201 df-inf 9202 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-n0 12234 df-z 12320 df-uz 12583 df-rp 12731 df-fz 13240 df-fl 13512 df-mod 13590 df-dvds 15964 |
This theorem is referenced by: acongrep 40802 |
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