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Mirrors > Home > MPE Home > Th. List > modnegd | Structured version Visualization version GIF version |
Description: Negation property of the modulo operation. (Contributed by Mario Carneiro, 9-Sep-2016.) |
Ref | Expression |
---|---|
modnegd.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
modnegd.2 | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
modnegd.3 | ⊢ (𝜑 → 𝐶 ∈ ℝ+) |
modnegd.4 | ⊢ (𝜑 → (𝐴 mod 𝐶) = (𝐵 mod 𝐶)) |
Ref | Expression |
---|---|
modnegd | ⊢ (𝜑 → (-𝐴 mod 𝐶) = (-𝐵 mod 𝐶)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | modnegd.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
2 | modnegd.2 | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
3 | 1zzd 12001 | . . . 4 ⊢ (𝜑 → 1 ∈ ℤ) | |
4 | 3 | znegcld 12077 | . . 3 ⊢ (𝜑 → -1 ∈ ℤ) |
5 | modnegd.3 | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℝ+) | |
6 | modnegd.4 | . . 3 ⊢ (𝜑 → (𝐴 mod 𝐶) = (𝐵 mod 𝐶)) | |
7 | modmul1 13280 | . . 3 ⊢ (((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) ∧ (-1 ∈ ℤ ∧ 𝐶 ∈ ℝ+) ∧ (𝐴 mod 𝐶) = (𝐵 mod 𝐶)) → ((𝐴 · -1) mod 𝐶) = ((𝐵 · -1) mod 𝐶)) | |
8 | 1, 2, 4, 5, 6, 7 | syl221anc 1373 | . 2 ⊢ (𝜑 → ((𝐴 · -1) mod 𝐶) = ((𝐵 · -1) mod 𝐶)) |
9 | 1 | recnd 10657 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
10 | 1cnd 10624 | . . . . . 6 ⊢ (𝜑 → 1 ∈ ℂ) | |
11 | 10 | negcld 10972 | . . . . 5 ⊢ (𝜑 → -1 ∈ ℂ) |
12 | 9, 11 | mulcomd 10650 | . . . 4 ⊢ (𝜑 → (𝐴 · -1) = (-1 · 𝐴)) |
13 | 9 | mulm1d 11080 | . . . 4 ⊢ (𝜑 → (-1 · 𝐴) = -𝐴) |
14 | 12, 13 | eqtrd 2853 | . . 3 ⊢ (𝜑 → (𝐴 · -1) = -𝐴) |
15 | 14 | oveq1d 7160 | . 2 ⊢ (𝜑 → ((𝐴 · -1) mod 𝐶) = (-𝐴 mod 𝐶)) |
16 | 2 | recnd 10657 | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ ℂ) |
17 | 16, 11 | mulcomd 10650 | . . . 4 ⊢ (𝜑 → (𝐵 · -1) = (-1 · 𝐵)) |
18 | 16 | mulm1d 11080 | . . . 4 ⊢ (𝜑 → (-1 · 𝐵) = -𝐵) |
19 | 17, 18 | eqtrd 2853 | . . 3 ⊢ (𝜑 → (𝐵 · -1) = -𝐵) |
20 | 19 | oveq1d 7160 | . 2 ⊢ (𝜑 → ((𝐵 · -1) mod 𝐶) = (-𝐵 mod 𝐶)) |
21 | 8, 15, 20 | 3eqtr3d 2861 | 1 ⊢ (𝜑 → (-𝐴 mod 𝐶) = (-𝐵 mod 𝐶)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1528 ∈ wcel 2105 (class class class)co 7145 ℝcr 10524 1c1 10526 · cmul 10530 -cneg 10859 ℤcz 11969 ℝ+crp 12377 mod cmo 13225 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1787 ax-4 1801 ax-5 1902 ax-6 1961 ax-7 2006 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2151 ax-12 2167 ax-ext 2790 ax-sep 5194 ax-nul 5201 ax-pow 5257 ax-pr 5320 ax-un 7450 ax-cnex 10581 ax-resscn 10582 ax-1cn 10583 ax-icn 10584 ax-addcl 10585 ax-addrcl 10586 ax-mulcl 10587 ax-mulrcl 10588 ax-mulcom 10589 ax-addass 10590 ax-mulass 10591 ax-distr 10592 ax-i2m1 10593 ax-1ne0 10594 ax-1rid 10595 ax-rnegex 10596 ax-rrecex 10597 ax-cnre 10598 ax-pre-lttri 10599 ax-pre-lttrn 10600 ax-pre-ltadd 10601 ax-pre-mulgt0 10602 ax-pre-sup 10603 |
This theorem depends on definitions: df-bi 208 df-an 397 df-or 842 df-3or 1080 df-3an 1081 df-tru 1531 df-ex 1772 df-nf 1776 df-sb 2061 df-mo 2615 df-eu 2647 df-clab 2797 df-cleq 2811 df-clel 2890 df-nfc 2960 df-ne 3014 df-nel 3121 df-ral 3140 df-rex 3141 df-reu 3142 df-rmo 3143 df-rab 3144 df-v 3494 df-sbc 3770 df-csb 3881 df-dif 3936 df-un 3938 df-in 3940 df-ss 3949 df-pss 3951 df-nul 4289 df-if 4464 df-pw 4537 df-sn 4558 df-pr 4560 df-tp 4562 df-op 4564 df-uni 4831 df-iun 4912 df-br 5058 df-opab 5120 df-mpt 5138 df-tr 5164 df-id 5453 df-eprel 5458 df-po 5467 df-so 5468 df-fr 5507 df-we 5509 df-xp 5554 df-rel 5555 df-cnv 5556 df-co 5557 df-dm 5558 df-rn 5559 df-res 5560 df-ima 5561 df-pred 6141 df-ord 6187 df-on 6188 df-lim 6189 df-suc 6190 df-iota 6307 df-fun 6350 df-fn 6351 df-f 6352 df-f1 6353 df-fo 6354 df-f1o 6355 df-fv 6356 df-riota 7103 df-ov 7148 df-oprab 7149 df-mpo 7150 df-om 7570 df-wrecs 7936 df-recs 7997 df-rdg 8035 df-er 8278 df-en 8498 df-dom 8499 df-sdom 8500 df-sup 8894 df-inf 8895 df-pnf 10665 df-mnf 10666 df-xr 10667 df-ltxr 10668 df-le 10669 df-sub 10860 df-neg 10861 df-div 11286 df-nn 11627 df-n0 11886 df-z 11970 df-uz 12232 df-rp 12378 df-fl 13150 df-mod 13226 |
This theorem is referenced by: modsub12d 13284 |
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