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Mirrors > Home > ILE Home > Th. List > modqm1p1mod0 | GIF version |
Description: If a number modulo a modulus equals the modulus decreased by 1, the first number increased by 1 modulo the modulus equals 0. (Contributed by Jim Kingdon, 24-Oct-2021.) |
Ref | Expression |
---|---|
modqm1p1mod0 | ⊢ ((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) → ((𝐴 mod 𝑀) = (𝑀 − 1) → ((𝐴 + 1) mod 𝑀) = 0)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl1 985 | . . . 4 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → 𝐴 ∈ ℚ) | |
2 | 1z 9172 | . . . . 5 ⊢ 1 ∈ ℤ | |
3 | zq 9513 | . . . . 5 ⊢ (1 ∈ ℤ → 1 ∈ ℚ) | |
4 | 2, 3 | mp1i 10 | . . . 4 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → 1 ∈ ℚ) |
5 | simp2 983 | . . . . 5 ⊢ ((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) → 𝑀 ∈ ℚ) | |
6 | 5 | adantr 274 | . . . 4 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → 𝑀 ∈ ℚ) |
7 | simpl3 987 | . . . 4 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → 0 < 𝑀) | |
8 | modqaddmod 10240 | . . . 4 ⊢ (((𝐴 ∈ ℚ ∧ 1 ∈ ℚ) ∧ (𝑀 ∈ ℚ ∧ 0 < 𝑀)) → (((𝐴 mod 𝑀) + 1) mod 𝑀) = ((𝐴 + 1) mod 𝑀)) | |
9 | 1, 4, 6, 7, 8 | syl22anc 1218 | . . 3 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → (((𝐴 mod 𝑀) + 1) mod 𝑀) = ((𝐴 + 1) mod 𝑀)) |
10 | oveq1 5821 | . . . . . 6 ⊢ ((𝐴 mod 𝑀) = (𝑀 − 1) → ((𝐴 mod 𝑀) + 1) = ((𝑀 − 1) + 1)) | |
11 | 10 | oveq1d 5829 | . . . . 5 ⊢ ((𝐴 mod 𝑀) = (𝑀 − 1) → (((𝐴 mod 𝑀) + 1) mod 𝑀) = (((𝑀 − 1) + 1) mod 𝑀)) |
12 | 11 | adantl 275 | . . . 4 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → (((𝐴 mod 𝑀) + 1) mod 𝑀) = (((𝑀 − 1) + 1) mod 𝑀)) |
13 | qcn 9521 | . . . . . . . 8 ⊢ (𝑀 ∈ ℚ → 𝑀 ∈ ℂ) | |
14 | 5, 13 | syl 14 | . . . . . . 7 ⊢ ((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) → 𝑀 ∈ ℂ) |
15 | 14 | adantr 274 | . . . . . 6 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → 𝑀 ∈ ℂ) |
16 | npcan1 8232 | . . . . . 6 ⊢ (𝑀 ∈ ℂ → ((𝑀 − 1) + 1) = 𝑀) | |
17 | 15, 16 | syl 14 | . . . . 5 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → ((𝑀 − 1) + 1) = 𝑀) |
18 | 17 | oveq1d 5829 | . . . 4 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → (((𝑀 − 1) + 1) mod 𝑀) = (𝑀 mod 𝑀)) |
19 | modqid0 10227 | . . . . 5 ⊢ ((𝑀 ∈ ℚ ∧ 0 < 𝑀) → (𝑀 mod 𝑀) = 0) | |
20 | 6, 7, 19 | syl2anc 409 | . . . 4 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → (𝑀 mod 𝑀) = 0) |
21 | 12, 18, 20 | 3eqtrd 2191 | . . 3 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → (((𝐴 mod 𝑀) + 1) mod 𝑀) = 0) |
22 | 9, 21 | eqtr3d 2189 | . 2 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → ((𝐴 + 1) mod 𝑀) = 0) |
23 | 22 | ex 114 | 1 ⊢ ((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) → ((𝐴 mod 𝑀) = (𝑀 − 1) → ((𝐴 + 1) mod 𝑀) = 0)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ∧ w3a 963 = wceq 1332 ∈ wcel 2125 class class class wbr 3961 (class class class)co 5814 ℂcc 7709 0cc0 7711 1c1 7712 + caddc 7714 < clt 7891 − cmin 8025 ℤcz 9146 ℚcq 9506 mod cmo 10199 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1481 ax-10 1482 ax-11 1483 ax-i12 1484 ax-bndl 1486 ax-4 1487 ax-17 1503 ax-i9 1507 ax-ial 1511 ax-i5r 1512 ax-13 2127 ax-14 2128 ax-ext 2136 ax-sep 4078 ax-pow 4130 ax-pr 4164 ax-un 4388 ax-setind 4490 ax-cnex 7802 ax-resscn 7803 ax-1cn 7804 ax-1re 7805 ax-icn 7806 ax-addcl 7807 ax-addrcl 7808 ax-mulcl 7809 ax-mulrcl 7810 ax-addcom 7811 ax-mulcom 7812 ax-addass 7813 ax-mulass 7814 ax-distr 7815 ax-i2m1 7816 ax-0lt1 7817 ax-1rid 7818 ax-0id 7819 ax-rnegex 7820 ax-precex 7821 ax-cnre 7822 ax-pre-ltirr 7823 ax-pre-ltwlin 7824 ax-pre-lttrn 7825 ax-pre-apti 7826 ax-pre-ltadd 7827 ax-pre-mulgt0 7828 ax-pre-mulext 7829 ax-arch 7830 |
This theorem depends on definitions: df-bi 116 df-3or 964 df-3an 965 df-tru 1335 df-fal 1338 df-nf 1438 df-sb 1740 df-eu 2006 df-mo 2007 df-clab 2141 df-cleq 2147 df-clel 2150 df-nfc 2285 df-ne 2325 df-nel 2420 df-ral 2437 df-rex 2438 df-reu 2439 df-rmo 2440 df-rab 2441 df-v 2711 df-sbc 2934 df-csb 3028 df-dif 3100 df-un 3102 df-in 3104 df-ss 3111 df-pw 3541 df-sn 3562 df-pr 3563 df-op 3565 df-uni 3769 df-int 3804 df-iun 3847 df-br 3962 df-opab 4022 df-mpt 4023 df-id 4248 df-po 4251 df-iso 4252 df-xp 4585 df-rel 4586 df-cnv 4587 df-co 4588 df-dm 4589 df-rn 4590 df-res 4591 df-ima 4592 df-iota 5128 df-fun 5165 df-fn 5166 df-f 5167 df-fv 5171 df-riota 5770 df-ov 5817 df-oprab 5818 df-mpo 5819 df-1st 6078 df-2nd 6079 df-pnf 7893 df-mnf 7894 df-xr 7895 df-ltxr 7896 df-le 7897 df-sub 8027 df-neg 8028 df-reap 8429 df-ap 8436 df-div 8525 df-inn 8813 df-n0 9070 df-z 9147 df-q 9507 df-rp 9539 df-fl 10147 df-mod 10200 |
This theorem is referenced by: (None) |
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