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| Mirrors > Home > MPE Home > Th. List > addmodid | Structured version Visualization version GIF version | ||
| Description: The sum of a positive integer and a nonnegative integer less than the positive integer is equal to the nonnegative integer modulo the positive integer. (Contributed by Alexander van der Vekens, 30-Oct-2018.) (Proof shortened by AV, 5-Jul-2020.) | 
| Ref | Expression | 
|---|---|
| addmodid | ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑀 ∈ ℕ ∧ 𝐴 < 𝑀) → ((𝑀 + 𝐴) mod 𝑀) = 𝐴) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | nncn 12274 | . . . . . . 7 ⊢ (𝑀 ∈ ℕ → 𝑀 ∈ ℂ) | |
| 2 | 1 | mullidd 11279 | . . . . . 6 ⊢ (𝑀 ∈ ℕ → (1 · 𝑀) = 𝑀) | 
| 3 | 2 | 3ad2ant2 1135 | . . . . 5 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑀 ∈ ℕ ∧ 𝐴 < 𝑀) → (1 · 𝑀) = 𝑀) | 
| 4 | 3 | eqcomd 2743 | . . . 4 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑀 ∈ ℕ ∧ 𝐴 < 𝑀) → 𝑀 = (1 · 𝑀)) | 
| 5 | 4 | oveq1d 7446 | . . 3 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑀 ∈ ℕ ∧ 𝐴 < 𝑀) → (𝑀 + 𝐴) = ((1 · 𝑀) + 𝐴)) | 
| 6 | 5 | oveq1d 7446 | . 2 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑀 ∈ ℕ ∧ 𝐴 < 𝑀) → ((𝑀 + 𝐴) mod 𝑀) = (((1 · 𝑀) + 𝐴) mod 𝑀)) | 
| 7 | 1zzd 12648 | . . 3 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑀 ∈ ℕ ∧ 𝐴 < 𝑀) → 1 ∈ ℤ) | |
| 8 | nnrp 13046 | . . . 4 ⊢ (𝑀 ∈ ℕ → 𝑀 ∈ ℝ+) | |
| 9 | 8 | 3ad2ant2 1135 | . . 3 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑀 ∈ ℕ ∧ 𝐴 < 𝑀) → 𝑀 ∈ ℝ+) | 
| 10 | nn0re 12535 | . . . . . 6 ⊢ (𝐴 ∈ ℕ0 → 𝐴 ∈ ℝ) | |
| 11 | 10 | rexrd 11311 | . . . . 5 ⊢ (𝐴 ∈ ℕ0 → 𝐴 ∈ ℝ*) | 
| 12 | 11 | 3ad2ant1 1134 | . . . 4 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑀 ∈ ℕ ∧ 𝐴 < 𝑀) → 𝐴 ∈ ℝ*) | 
| 13 | nn0ge0 12551 | . . . . 5 ⊢ (𝐴 ∈ ℕ0 → 0 ≤ 𝐴) | |
| 14 | 13 | 3ad2ant1 1134 | . . . 4 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑀 ∈ ℕ ∧ 𝐴 < 𝑀) → 0 ≤ 𝐴) | 
| 15 | simp3 1139 | . . . 4 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑀 ∈ ℕ ∧ 𝐴 < 𝑀) → 𝐴 < 𝑀) | |
| 16 | 0xr 11308 | . . . . 5 ⊢ 0 ∈ ℝ* | |
| 17 | nnre 12273 | . . . . . . 7 ⊢ (𝑀 ∈ ℕ → 𝑀 ∈ ℝ) | |
| 18 | 17 | rexrd 11311 | . . . . . 6 ⊢ (𝑀 ∈ ℕ → 𝑀 ∈ ℝ*) | 
| 19 | 18 | 3ad2ant2 1135 | . . . . 5 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑀 ∈ ℕ ∧ 𝐴 < 𝑀) → 𝑀 ∈ ℝ*) | 
| 20 | elico1 13430 | . . . . 5 ⊢ ((0 ∈ ℝ* ∧ 𝑀 ∈ ℝ*) → (𝐴 ∈ (0[,)𝑀) ↔ (𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴 ∧ 𝐴 < 𝑀))) | |
| 21 | 16, 19, 20 | sylancr 587 | . . . 4 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑀 ∈ ℕ ∧ 𝐴 < 𝑀) → (𝐴 ∈ (0[,)𝑀) ↔ (𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴 ∧ 𝐴 < 𝑀))) | 
| 22 | 12, 14, 15, 21 | mpbir3and 1343 | . . 3 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑀 ∈ ℕ ∧ 𝐴 < 𝑀) → 𝐴 ∈ (0[,)𝑀)) | 
| 23 | muladdmodid 13951 | . . 3 ⊢ ((1 ∈ ℤ ∧ 𝑀 ∈ ℝ+ ∧ 𝐴 ∈ (0[,)𝑀)) → (((1 · 𝑀) + 𝐴) mod 𝑀) = 𝐴) | |
| 24 | 7, 9, 22, 23 | syl3anc 1373 | . 2 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑀 ∈ ℕ ∧ 𝐴 < 𝑀) → (((1 · 𝑀) + 𝐴) mod 𝑀) = 𝐴) | 
| 25 | 6, 24 | eqtrd 2777 | 1 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝑀 ∈ ℕ ∧ 𝐴 < 𝑀) → ((𝑀 + 𝐴) mod 𝑀) = 𝐴) | 
| Colors of variables: wff setvar class | 
| Syntax hints: → wi 4 ↔ wb 206 ∧ w3a 1087 = wceq 1540 ∈ wcel 2108 class class class wbr 5143 (class class class)co 7431 0cc0 11155 1c1 11156 + caddc 11158 · cmul 11160 ℝ*cxr 11294 < clt 11295 ≤ cle 11296 ℕcn 12266 ℕ0cn0 12526 ℤcz 12613 ℝ+crp 13034 [,)cico 13389 mod cmo 13909 | 
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-sep 5296 ax-nul 5306 ax-pow 5365 ax-pr 5432 ax-un 7755 ax-cnex 11211 ax-resscn 11212 ax-1cn 11213 ax-icn 11214 ax-addcl 11215 ax-addrcl 11216 ax-mulcl 11217 ax-mulrcl 11218 ax-mulcom 11219 ax-addass 11220 ax-mulass 11221 ax-distr 11222 ax-i2m1 11223 ax-1ne0 11224 ax-1rid 11225 ax-rnegex 11226 ax-rrecex 11227 ax-cnre 11228 ax-pre-lttri 11229 ax-pre-lttrn 11230 ax-pre-ltadd 11231 ax-pre-mulgt0 11232 ax-pre-sup 11233 | 
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3380 df-reu 3381 df-rab 3437 df-v 3482 df-sbc 3789 df-csb 3900 df-dif 3954 df-un 3956 df-in 3958 df-ss 3968 df-pss 3971 df-nul 4334 df-if 4526 df-pw 4602 df-sn 4627 df-pr 4629 df-op 4633 df-uni 4908 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5226 df-tr 5260 df-id 5578 df-eprel 5584 df-po 5592 df-so 5593 df-fr 5637 df-we 5639 df-xp 5691 df-rel 5692 df-cnv 5693 df-co 5694 df-dm 5695 df-rn 5696 df-res 5697 df-ima 5698 df-pred 6321 df-ord 6387 df-on 6388 df-lim 6389 df-suc 6390 df-iota 6514 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-om 7888 df-2nd 8015 df-frecs 8306 df-wrecs 8337 df-recs 8411 df-rdg 8450 df-er 8745 df-en 8986 df-dom 8987 df-sdom 8988 df-sup 9482 df-inf 9483 df-pnf 11297 df-mnf 11298 df-xr 11299 df-ltxr 11300 df-le 11301 df-sub 11494 df-neg 11495 df-div 11921 df-nn 12267 df-n0 12527 df-z 12614 df-uz 12879 df-rp 13035 df-ico 13393 df-fl 13832 df-mod 13910 | 
| This theorem is referenced by: addmodidr 13961 cshwidxn 14847 eucrctshift 30262 ex-mod 30468 gpgedgvtx1 48020 | 
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