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| Mirrors > Home > MPE Home > Th. List > modaddmod | Structured version Visualization version GIF version | ||
| Description: The sum of a real number modulo a positive real number and another real number equals the sum of the two real numbers modulo the positive real number. (Contributed by Alexander van der Vekens, 13-May-2018.) |
| Ref | Expression |
|---|---|
| modaddmod | ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → (((𝐴 mod 𝑀) + 𝐵) mod 𝑀) = ((𝐴 + 𝐵) mod 𝑀)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | modcl 13895 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → (𝐴 mod 𝑀) ∈ ℝ) | |
| 2 | simpl 482 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → 𝐴 ∈ ℝ) | |
| 3 | 1, 2 | jca 511 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → ((𝐴 mod 𝑀) ∈ ℝ ∧ 𝐴 ∈ ℝ)) |
| 4 | 3 | 3adant2 1131 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → ((𝐴 mod 𝑀) ∈ ℝ ∧ 𝐴 ∈ ℝ)) |
| 5 | 3simpc 1150 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → (𝐵 ∈ ℝ ∧ 𝑀 ∈ ℝ+)) | |
| 6 | modabs2 13927 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → ((𝐴 mod 𝑀) mod 𝑀) = (𝐴 mod 𝑀)) | |
| 7 | 6 | 3adant2 1131 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → ((𝐴 mod 𝑀) mod 𝑀) = (𝐴 mod 𝑀)) |
| 8 | modadd1 13930 | . 2 ⊢ ((((𝐴 mod 𝑀) ∈ ℝ ∧ 𝐴 ∈ ℝ) ∧ (𝐵 ∈ ℝ ∧ 𝑀 ∈ ℝ+) ∧ ((𝐴 mod 𝑀) mod 𝑀) = (𝐴 mod 𝑀)) → (((𝐴 mod 𝑀) + 𝐵) mod 𝑀) = ((𝐴 + 𝐵) mod 𝑀)) | |
| 9 | 4, 5, 7, 8 | syl3anc 1373 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝑀 ∈ ℝ+) → (((𝐴 mod 𝑀) + 𝐵) mod 𝑀) = ((𝐴 + 𝐵) mod 𝑀)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1540 ∈ wcel 2109 (class class class)co 7410 ℝcr 11133 + caddc 11137 ℝ+crp 13013 mod cmo 13891 |
| 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 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2708 ax-sep 5271 ax-nul 5281 ax-pow 5340 ax-pr 5407 ax-un 7734 ax-cnex 11190 ax-resscn 11191 ax-1cn 11192 ax-icn 11193 ax-addcl 11194 ax-addrcl 11195 ax-mulcl 11196 ax-mulrcl 11197 ax-mulcom 11198 ax-addass 11199 ax-mulass 11200 ax-distr 11201 ax-i2m1 11202 ax-1ne0 11203 ax-1rid 11204 ax-rnegex 11205 ax-rrecex 11206 ax-cnre 11207 ax-pre-lttri 11208 ax-pre-lttrn 11209 ax-pre-ltadd 11210 ax-pre-mulgt0 11211 ax-pre-sup 11212 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2810 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3062 df-rmo 3364 df-reu 3365 df-rab 3421 df-v 3466 df-sbc 3771 df-csb 3880 df-dif 3934 df-un 3936 df-in 3938 df-ss 3948 df-pss 3951 df-nul 4314 df-if 4506 df-pw 4582 df-sn 4607 df-pr 4609 df-op 4613 df-uni 4889 df-iun 4974 df-br 5125 df-opab 5187 df-mpt 5207 df-tr 5235 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-we 5613 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6295 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-om 7867 df-2nd 7994 df-frecs 8285 df-wrecs 8316 df-recs 8390 df-rdg 8429 df-er 8724 df-en 8965 df-dom 8966 df-sdom 8967 df-sup 9459 df-inf 9460 df-pnf 11276 df-mnf 11277 df-xr 11278 df-ltxr 11279 df-le 11280 df-sub 11473 df-neg 11474 df-div 11900 df-nn 12246 df-n0 12507 df-z 12594 df-uz 12858 df-rp 13014 df-fl 13814 df-mod 13892 |
| This theorem is referenced by: mulp1mod1 13934 muladdmod 13935 modadd2mod 13944 modm1p1mod0 13945 modltm1p1mod 13946 modaddmulmod 13961 addmodlteq 13969 cshwidxmodr 14827 2cshw 14836 cshweqrep 14844 p1modz1 16284 mod2eq1n2dvds 16371 gpg5nbgrvtx03starlem2 48038 gpg5nbgrvtx13starlem2 48041 gpg3kgrtriexlem2 48053 |
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