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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 1002 | . . . 4 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → 𝐴 ∈ ℚ) | |
| 2 | 1z 9397 | . . . . 5 ⊢ 1 ∈ ℤ | |
| 3 | zq 9746 | . . . . 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 1000 | . . . . 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 1004 | . . . 4 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → 0 < 𝑀) | |
| 8 | modqaddmod 10506 | . . . 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 1250 | . . 3 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → (((𝐴 mod 𝑀) + 1) mod 𝑀) = ((𝐴 + 1) mod 𝑀)) |
| 10 | oveq1 5950 | . . . . . 6 ⊢ ((𝐴 mod 𝑀) = (𝑀 − 1) → ((𝐴 mod 𝑀) + 1) = ((𝑀 − 1) + 1)) | |
| 11 | 10 | oveq1d 5958 | . . . . 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 9754 | . . . . . . . 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 8449 | . . . . . 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 5958 | . . . 4 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → (((𝑀 − 1) + 1) mod 𝑀) = (𝑀 mod 𝑀)) |
| 19 | modqid0 10493 | . . . . 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 2241 | . . 3 ⊢ (((𝐴 ∈ ℚ ∧ 𝑀 ∈ ℚ ∧ 0 < 𝑀) ∧ (𝐴 mod 𝑀) = (𝑀 − 1)) → (((𝐴 mod 𝑀) + 1) mod 𝑀) = 0) |
| 22 | 9, 21 | eqtr3d 2239 | . 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 980 = wceq 1372 ∈ wcel 2175 class class class wbr 4043 (class class class)co 5943 ℂcc 7922 0cc0 7924 1c1 7925 + caddc 7927 < clt 8106 − cmin 8242 ℤcz 9371 ℚcq 9739 mod cmo 10465 |
| 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 710 ax-5 1469 ax-7 1470 ax-gen 1471 ax-ie1 1515 ax-ie2 1516 ax-8 1526 ax-10 1527 ax-11 1528 ax-i12 1529 ax-bndl 1531 ax-4 1532 ax-17 1548 ax-i9 1552 ax-ial 1556 ax-i5r 1557 ax-13 2177 ax-14 2178 ax-ext 2186 ax-sep 4161 ax-pow 4217 ax-pr 4252 ax-un 4479 ax-setind 4584 ax-cnex 8015 ax-resscn 8016 ax-1cn 8017 ax-1re 8018 ax-icn 8019 ax-addcl 8020 ax-addrcl 8021 ax-mulcl 8022 ax-mulrcl 8023 ax-addcom 8024 ax-mulcom 8025 ax-addass 8026 ax-mulass 8027 ax-distr 8028 ax-i2m1 8029 ax-0lt1 8030 ax-1rid 8031 ax-0id 8032 ax-rnegex 8033 ax-precex 8034 ax-cnre 8035 ax-pre-ltirr 8036 ax-pre-ltwlin 8037 ax-pre-lttrn 8038 ax-pre-apti 8039 ax-pre-ltadd 8040 ax-pre-mulgt0 8041 ax-pre-mulext 8042 ax-arch 8043 |
| This theorem depends on definitions: df-bi 117 df-3or 981 df-3an 982 df-tru 1375 df-fal 1378 df-nf 1483 df-sb 1785 df-eu 2056 df-mo 2057 df-clab 2191 df-cleq 2197 df-clel 2200 df-nfc 2336 df-ne 2376 df-nel 2471 df-ral 2488 df-rex 2489 df-reu 2490 df-rmo 2491 df-rab 2492 df-v 2773 df-sbc 2998 df-csb 3093 df-dif 3167 df-un 3169 df-in 3171 df-ss 3178 df-pw 3617 df-sn 3638 df-pr 3639 df-op 3641 df-uni 3850 df-int 3885 df-iun 3928 df-br 4044 df-opab 4105 df-mpt 4106 df-id 4339 df-po 4342 df-iso 4343 df-xp 4680 df-rel 4681 df-cnv 4682 df-co 4683 df-dm 4684 df-rn 4685 df-res 4686 df-ima 4687 df-iota 5231 df-fun 5272 df-fn 5273 df-f 5274 df-fv 5278 df-riota 5898 df-ov 5946 df-oprab 5947 df-mpo 5948 df-1st 6225 df-2nd 6226 df-pnf 8108 df-mnf 8109 df-xr 8110 df-ltxr 8111 df-le 8112 df-sub 8244 df-neg 8245 df-reap 8647 df-ap 8654 df-div 8745 df-inn 9036 df-n0 9295 df-z 9372 df-q 9740 df-rp 9775 df-fl 10411 df-mod 10466 |
| This theorem is referenced by: (None) |
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