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| Mirrors > Home > ILE Home > Th. List > modremain | GIF version | ||
| Description: The result of the modulo operation is the remainder of the division algorithm. (Contributed by AV, 19-Aug-2021.) |
| Ref | Expression |
|---|---|
| modremain | ⊢ ((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) → ((𝑁 mod 𝐷) = 𝑅 ↔ ∃𝑧 ∈ ℤ ((𝑧 · 𝐷) + 𝑅) = 𝑁)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqcom 2231 | . 2 ⊢ ((𝑁 mod 𝐷) = 𝑅 ↔ 𝑅 = (𝑁 mod 𝐷)) | |
| 2 | divalgmodcl 12434 | . . . 4 ⊢ ((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ 𝑅 ∈ ℕ0) → (𝑅 = (𝑁 mod 𝐷) ↔ (𝑅 < 𝐷 ∧ 𝐷 ∥ (𝑁 − 𝑅)))) | |
| 3 | 2 | 3adant3r 1259 | . . 3 ⊢ ((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) → (𝑅 = (𝑁 mod 𝐷) ↔ (𝑅 < 𝐷 ∧ 𝐷 ∥ (𝑁 − 𝑅)))) |
| 4 | ibar 301 | . . . . 5 ⊢ (𝑅 < 𝐷 → (𝐷 ∥ (𝑁 − 𝑅) ↔ (𝑅 < 𝐷 ∧ 𝐷 ∥ (𝑁 − 𝑅)))) | |
| 5 | 4 | adantl 277 | . . . 4 ⊢ ((𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷) → (𝐷 ∥ (𝑁 − 𝑅) ↔ (𝑅 < 𝐷 ∧ 𝐷 ∥ (𝑁 − 𝑅)))) |
| 6 | 5 | 3ad2ant3 1044 | . . 3 ⊢ ((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) → (𝐷 ∥ (𝑁 − 𝑅) ↔ (𝑅 < 𝐷 ∧ 𝐷 ∥ (𝑁 − 𝑅)))) |
| 7 | nnz 9461 | . . . . . 6 ⊢ (𝐷 ∈ ℕ → 𝐷 ∈ ℤ) | |
| 8 | 7 | 3ad2ant2 1043 | . . . . 5 ⊢ ((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) → 𝐷 ∈ ℤ) |
| 9 | simp1 1021 | . . . . . 6 ⊢ ((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) → 𝑁 ∈ ℤ) | |
| 10 | nn0z 9462 | . . . . . . . 8 ⊢ (𝑅 ∈ ℕ0 → 𝑅 ∈ ℤ) | |
| 11 | 10 | adantr 276 | . . . . . . 7 ⊢ ((𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷) → 𝑅 ∈ ℤ) |
| 12 | 11 | 3ad2ant3 1044 | . . . . . 6 ⊢ ((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) → 𝑅 ∈ ℤ) |
| 13 | 9, 12 | zsubcld 9570 | . . . . 5 ⊢ ((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) → (𝑁 − 𝑅) ∈ ℤ) |
| 14 | divides 12295 | . . . . 5 ⊢ ((𝐷 ∈ ℤ ∧ (𝑁 − 𝑅) ∈ ℤ) → (𝐷 ∥ (𝑁 − 𝑅) ↔ ∃𝑧 ∈ ℤ (𝑧 · 𝐷) = (𝑁 − 𝑅))) | |
| 15 | 8, 13, 14 | syl2anc 411 | . . . 4 ⊢ ((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) → (𝐷 ∥ (𝑁 − 𝑅) ↔ ∃𝑧 ∈ ℤ (𝑧 · 𝐷) = (𝑁 − 𝑅))) |
| 16 | eqcom 2231 | . . . . . 6 ⊢ ((𝑧 · 𝐷) = (𝑁 − 𝑅) ↔ (𝑁 − 𝑅) = (𝑧 · 𝐷)) | |
| 17 | zcn 9447 | . . . . . . . . 9 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
| 18 | 17 | 3ad2ant1 1042 | . . . . . . . 8 ⊢ ((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) → 𝑁 ∈ ℂ) |
| 19 | 18 | adantr 276 | . . . . . . 7 ⊢ (((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) ∧ 𝑧 ∈ ℤ) → 𝑁 ∈ ℂ) |
| 20 | nn0cn 9375 | . . . . . . . . . 10 ⊢ (𝑅 ∈ ℕ0 → 𝑅 ∈ ℂ) | |
| 21 | 20 | adantr 276 | . . . . . . . . 9 ⊢ ((𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷) → 𝑅 ∈ ℂ) |
| 22 | 21 | 3ad2ant3 1044 | . . . . . . . 8 ⊢ ((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) → 𝑅 ∈ ℂ) |
| 23 | 22 | adantr 276 | . . . . . . 7 ⊢ (((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) ∧ 𝑧 ∈ ℤ) → 𝑅 ∈ ℂ) |
| 24 | simpr 110 | . . . . . . . . 9 ⊢ (((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) ∧ 𝑧 ∈ ℤ) → 𝑧 ∈ ℤ) | |
| 25 | 8 | adantr 276 | . . . . . . . . 9 ⊢ (((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) ∧ 𝑧 ∈ ℤ) → 𝐷 ∈ ℤ) |
| 26 | 24, 25 | zmulcld 9571 | . . . . . . . 8 ⊢ (((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) ∧ 𝑧 ∈ ℤ) → (𝑧 · 𝐷) ∈ ℤ) |
| 27 | 26 | zcnd 9566 | . . . . . . 7 ⊢ (((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) ∧ 𝑧 ∈ ℤ) → (𝑧 · 𝐷) ∈ ℂ) |
| 28 | 19, 23, 27 | subadd2d 8472 | . . . . . 6 ⊢ (((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) ∧ 𝑧 ∈ ℤ) → ((𝑁 − 𝑅) = (𝑧 · 𝐷) ↔ ((𝑧 · 𝐷) + 𝑅) = 𝑁)) |
| 29 | 16, 28 | bitrid 192 | . . . . 5 ⊢ (((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) ∧ 𝑧 ∈ ℤ) → ((𝑧 · 𝐷) = (𝑁 − 𝑅) ↔ ((𝑧 · 𝐷) + 𝑅) = 𝑁)) |
| 30 | 29 | rexbidva 2527 | . . . 4 ⊢ ((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) → (∃𝑧 ∈ ℤ (𝑧 · 𝐷) = (𝑁 − 𝑅) ↔ ∃𝑧 ∈ ℤ ((𝑧 · 𝐷) + 𝑅) = 𝑁)) |
| 31 | 15, 30 | bitrd 188 | . . 3 ⊢ ((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) → (𝐷 ∥ (𝑁 − 𝑅) ↔ ∃𝑧 ∈ ℤ ((𝑧 · 𝐷) + 𝑅) = 𝑁)) |
| 32 | 3, 6, 31 | 3bitr2d 216 | . 2 ⊢ ((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) → (𝑅 = (𝑁 mod 𝐷) ↔ ∃𝑧 ∈ ℤ ((𝑧 · 𝐷) + 𝑅) = 𝑁)) |
| 33 | 1, 32 | bitrid 192 | 1 ⊢ ((𝑁 ∈ ℤ ∧ 𝐷 ∈ ℕ ∧ (𝑅 ∈ ℕ0 ∧ 𝑅 < 𝐷)) → ((𝑁 mod 𝐷) = 𝑅 ↔ ∃𝑧 ∈ ℤ ((𝑧 · 𝐷) + 𝑅) = 𝑁)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 ∧ w3a 1002 = wceq 1395 ∈ wcel 2200 ∃wrex 2509 class class class wbr 4082 (class class class)co 6000 ℂcc 7993 + caddc 7998 · cmul 8000 < clt 8177 − cmin 8313 ℕcn 9106 ℕ0cn0 9365 ℤcz 9442 mod cmo 10539 ∥ cdvds 12293 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4198 ax-sep 4201 ax-nul 4209 ax-pow 4257 ax-pr 4292 ax-un 4523 ax-setind 4628 ax-iinf 4679 ax-cnex 8086 ax-resscn 8087 ax-1cn 8088 ax-1re 8089 ax-icn 8090 ax-addcl 8091 ax-addrcl 8092 ax-mulcl 8093 ax-mulrcl 8094 ax-addcom 8095 ax-mulcom 8096 ax-addass 8097 ax-mulass 8098 ax-distr 8099 ax-i2m1 8100 ax-0lt1 8101 ax-1rid 8102 ax-0id 8103 ax-rnegex 8104 ax-precex 8105 ax-cnre 8106 ax-pre-ltirr 8107 ax-pre-ltwlin 8108 ax-pre-lttrn 8109 ax-pre-apti 8110 ax-pre-ltadd 8111 ax-pre-mulgt0 8112 ax-pre-mulext 8113 ax-arch 8114 |
| This theorem depends on definitions: df-bi 117 df-dc 840 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-reu 2515 df-rmo 2516 df-rab 2517 df-v 2801 df-sbc 3029 df-csb 3125 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-nul 3492 df-if 3603 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3888 df-int 3923 df-iun 3966 df-br 4083 df-opab 4145 df-mpt 4146 df-tr 4182 df-id 4383 df-po 4386 df-iso 4387 df-iord 4456 df-on 4458 df-ilim 4459 df-suc 4461 df-iom 4682 df-xp 4724 df-rel 4725 df-cnv 4726 df-co 4727 df-dm 4728 df-rn 4729 df-res 4730 df-ima 4731 df-iota 5277 df-fun 5319 df-fn 5320 df-f 5321 df-f1 5322 df-fo 5323 df-f1o 5324 df-fv 5325 df-riota 5953 df-ov 6003 df-oprab 6004 df-mpo 6005 df-1st 6284 df-2nd 6285 df-recs 6449 df-frec 6535 df-pnf 8179 df-mnf 8180 df-xr 8181 df-ltxr 8182 df-le 8183 df-sub 8315 df-neg 8316 df-reap 8718 df-ap 8725 df-div 8816 df-inn 9107 df-2 9165 df-n0 9366 df-z 9443 df-uz 9719 df-q 9811 df-rp 9846 df-fl 10485 df-mod 10540 df-seqfrec 10665 df-exp 10756 df-cj 11348 df-re 11349 df-im 11350 df-rsqrt 11504 df-abs 11505 df-dvds 12294 |
| This theorem is referenced by: bezoutlemnewy 12512 bezoutlemstep 12513 |
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