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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 1003 | . . . 4 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → 𝐴 ∈ ℚ) | |
| 2 | 1z 9433 | . . . . 5 ⊢ 1 ∈ ℤ | |
| 3 | zq 9782 | . . . . 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 1001 | . . . . 5 ⊢ ((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) → 𝑀 ∈ ℚ) | |
| 6 | 5 | adantr 276 | . . . 4 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → 𝑀 ∈ ℚ) |
| 7 | simpl3 1005 | . . . 4 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → 0 < 𝑀) | |
| 8 | modqaddmod 10545 | . . . 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 1251 | . . 3 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → (((𝐴 mod 𝑀) + 1) mod 𝑀) = ((𝐴 + 1) mod 𝑀)) |
| 10 | oveq1 5974 | . . . . . 6 ⊢ ((𝐴 mod 𝑀) = (𝑀 − 1) → ((𝐴 mod 𝑀) + 1) = ((𝑀 − 1) + 1)) | |
| 11 | 10 | oveq1d 5982 | . . . . 5 ⊢ ((𝐴 mod 𝑀) = (𝑀 − 1) → (((𝐴 mod 𝑀) + 1) mod 𝑀) = (((𝑀 − 1) + 1) mod 𝑀)) |
| 12 | 11 | adantl 277 | . . . 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 9790 | . . . . . . . 8 ⊢ (𝑀 ∈ ℚ → 𝑀 ∈ ℂ) | |
| 14 | 5, 13 | syl 14 | . . . . . . 7 ⊢ ((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) → 𝑀 ∈ ℂ) |
| 15 | 14 | adantr 276 | . . . . . 6 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → 𝑀 ∈ ℂ) |
| 16 | npcan1 8485 | . . . . . 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 5982 | . . . 4 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → (((𝑀 − 1) + 1) mod 𝑀) = (𝑀 mod 𝑀)) |
| 19 | modqid0 10532 | . . . . 5 ⊢ ((𝑀 ∈ ℚ ∧ 0 < 𝑀) → (𝑀 mod 𝑀) = 0) | |
| 20 | 6, 7, 19 | syl2anc 411 | . . . 4 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → (𝑀 mod 𝑀) = 0) |
| 21 | 12, 18, 20 | 3eqtrd 2244 | . . 3 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → (((𝐴 mod 𝑀) + 1) mod 𝑀) = 0) |
| 22 | 9, 21 | eqtr3d 2242 | . 2 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → ((𝐴 + 1) mod 𝑀) = 0) |
| 23 | 22 | ex 115 | 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 104 ∧ w3a 981 = wceq 1373 ∈ wcel 2178 class class class wbr 4059 (class class class)co 5967 ℂcc 7958 0cc0 7960 1c1 7961 + caddc 7963 < clt 8142 − cmin 8278 ℤcz 9407 ℚcq 9775 mod cmo 10504 |
| 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 615 ax-in2 616 ax-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2180 ax-14 2181 ax-ext 2189 ax-sep 4178 ax-pow 4234 ax-pr 4269 ax-un 4498 ax-setind 4603 ax-cnex 8051 ax-resscn 8052 ax-1cn 8053 ax-1re 8054 ax-icn 8055 ax-addcl 8056 ax-addrcl 8057 ax-mulcl 8058 ax-mulrcl 8059 ax-addcom 8060 ax-mulcom 8061 ax-addass 8062 ax-mulass 8063 ax-distr 8064 ax-i2m1 8065 ax-0lt1 8066 ax-1rid 8067 ax-0id 8068 ax-rnegex 8069 ax-precex 8070 ax-cnre 8071 ax-pre-ltirr 8072 ax-pre-ltwlin 8073 ax-pre-lttrn 8074 ax-pre-apti 8075 ax-pre-ltadd 8076 ax-pre-mulgt0 8077 ax-pre-mulext 8078 ax-arch 8079 |
| This theorem depends on definitions: df-bi 117 df-3or 982 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ne 2379 df-nel 2474 df-ral 2491 df-rex 2492 df-reu 2493 df-rmo 2494 df-rab 2495 df-v 2778 df-sbc 3006 df-csb 3102 df-dif 3176 df-un 3178 df-in 3180 df-ss 3187 df-pw 3628 df-sn 3649 df-pr 3650 df-op 3652 df-uni 3865 df-int 3900 df-iun 3943 df-br 4060 df-opab 4122 df-mpt 4123 df-id 4358 df-po 4361 df-iso 4362 df-xp 4699 df-rel 4700 df-cnv 4701 df-co 4702 df-dm 4703 df-rn 4704 df-res 4705 df-ima 4706 df-iota 5251 df-fun 5292 df-fn 5293 df-f 5294 df-fv 5298 df-riota 5922 df-ov 5970 df-oprab 5971 df-mpo 5972 df-1st 6249 df-2nd 6250 df-pnf 8144 df-mnf 8145 df-xr 8146 df-ltxr 8147 df-le 8148 df-sub 8280 df-neg 8281 df-reap 8683 df-ap 8690 df-div 8781 df-inn 9072 df-n0 9331 df-z 9408 df-q 9776 df-rp 9811 df-fl 10450 df-mod 10505 |
| This theorem is referenced by: (None) |
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