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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 12754 | . . . 4 ⊢ (𝜑 → 1 ∈ ℤ) | |
| 4 | 3 | znegcld 12832 | . . 3 ⊢ (𝜑 → -1 ∈ ℤ) |
| 5 | modnegd.3 | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℝ+) | |
| 6 | modnegd.4 | . . 3 ⊢ (𝜑 → (𝐴 mod 𝐶) = (𝐵 mod 𝐶)) | |
| 7 | modmul1 14094 | . . 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 1409 | . 2 ⊢ (𝜑 → ((𝐴 · -1) mod 𝐶) = ((𝐵 · -1) mod 𝐶)) |
| 9 | 1 | recnd 11364 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| 10 | 1cnd 11329 | . . . . . 6 ⊢ (𝜑 → 1 ∈ ℂ) | |
| 11 | 10 | negcld 11683 | . . . . 5 ⊢ (𝜑 → -1 ∈ ℂ) |
| 12 | 9, 11 | mulcomd 11357 | . . . 4 ⊢ (𝜑 → (𝐴 · -1) = ( -1 · 𝐴)) |
| 13 | 9 | mulm1d 11795 | . . . 4 ⊢ (𝜑 → ( -1 · 𝐴) = -𝐴) |
| 14 | 12, 13 | eqtrd 2798 | . . 3 ⊢ (𝜑 → (𝐴 · -1) = -𝐴) |
| 15 | 14 | oveq1d 7458 | . 2 ⊢ (𝜑 → ((𝐴 · -1) mod 𝐶) = ( -𝐴 mod 𝐶)) |
| 16 | 2 | recnd 11364 | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| 17 | 16, 11 | mulcomd 11357 | . . . 4 ⊢ (𝜑 → (𝐵 · -1) = ( -1 · 𝐵)) |
| 18 | 16 | mulm1d 11795 | . . . 4 ⊢ (𝜑 → ( -1 · 𝐵) = -𝐵) |
| 19 | 17, 18 | eqtrd 2798 | . . 3 ⊢ (𝜑 → (𝐵 · -1) = -𝐵) |
| 20 | 19 | oveq1d 7458 | . 2 ⊢ (𝜑 → ((𝐵 · -1) mod 𝐶) = ( -𝐵 mod 𝐶)) |
| 21 | 8, 15, 20 | 3eqtr3d 2806 | 1 ⊢ (𝜑 → ( -𝐴 mod 𝐶) = ( -𝐵 mod 𝐶)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2147 (class class class)co 7443 ℝcr 11226 1c1 11228 · cmul 11232 -cneg 11569 ℤcz 12720 ℝ+crp 13147 mod cmo 14036 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 ax-cnex 11283 ax-resscn 11284 ax-1cn 11285 ax-icn 11286 ax-addcl 11287 ax-addrcl 11288 ax-mulcl 11289 ax-mulrcl 11290 ax-mulcom 11291 ax-addass 11292 ax-mulass 11293 ax-distr 11294 ax-i2m1 11295 ax-1ne0 11296 ax-1rid 11297 ax-rnegex 11298 ax-rrecex 11299 ax-cnre 11300 ax-pre-lttri 11301 ax-pre-lttrn 11302 ax-pre-ltadd 11303 ax-pre-mulgt0 11304 ax-pre-sup 11305 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6322 df-ord 6383 df-on 6384 df-lim 6385 df-suc 6386 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-riota 7400 df-ov 7446 df-oprab 7447 df-mpo 7448 df-om 7902 df-2nd 8026 df-frecs 8327 df-wrecs 8358 df-recs 8407 df-rdg 8446 df-er 8745 df-en 9002 df-dom 9003 df-sdom 9004 df-sup 9461 df-inf 9462 df-pnf 11372 df-mnf 11373 df-xr 11374 df-ltxr 11375 df-le 11376 df-sub 11570 df-neg 11571 df-div 12001 df-nn 12363 df-n0 12634 df-z 12721 df-uz 12993 df-rp 13148 df-fl 13959 df-mod 14037 |
| This theorem is used by: modsub12d 14098 |
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