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| Mirrors > Home > MPE Home > Th. List > ringdir | Structured version Visualization version GIF version | ||
| Description: Distributive law for the multiplication operation of a ring (right-distributivity). (Contributed by Steve Rodriguez, 9-Sep-2007.) |
| Ref | Expression |
|---|---|
| ringdi.b | ⊢ 𝐵 = (Base‘𝑅) |
| ringdi.p | ⊢ + = (+g‘𝑅) |
| ringdi.t | ⊢ · = (.r‘𝑅) |
| Ref | Expression |
|---|---|
| ringdir | ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 + 𝑌) · 𝑍) = ((𝑋 · 𝑍) + (𝑌 · 𝑍))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ringdi.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 2 | ringdi.p | . . 3 ⊢ + = (+g‘𝑅) | |
| 3 | ringdi.t | . . 3 ⊢ · = (.r‘𝑅) | |
| 4 | 1, 2, 3 | ringdilem 20354 | . 2 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 · (𝑌 + 𝑍)) = ((𝑋 · 𝑌) + (𝑋 · 𝑍)) ∧ ((𝑋 + 𝑌) · 𝑍) = ((𝑋 · 𝑍) + (𝑌 · 𝑍)))) |
| 5 | 4 | simprd 501 | 1 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 + 𝑌) · 𝑍) = ((𝑋 · 𝑍) + (𝑌 · 𝑍))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2146 ‘cfv 6540 (class class class)co 7416 Basecbs 17286 +gcplusg 17327 .rcmulr 17328 Ringcrg 20338 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-12 2216 ax-ext 2737 ax-nul 5271 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-ne 2961 df-ral 3082 df-rab 3419 df-v 3459 df-sbc 3747 df-dif 3909 df-un 3911 df-ss 3923 df-nul 4287 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-iota 6496 df-fv 6548 df-ov 7419 df-ring 20340 |
| This theorem is used by: ringdird 20370 ringo2times 20382 ringcomlem 20386 ringnegl 20410 mulgass2 20417 ringrghm 20421 prdsringd 20427 imasring 20437 dvrdir 20519 issubrg2 20720 cntzsubr 20734 sralmod 21337 frlmphl 21960 psrlmod 22138 psrdir 22144 evlslem1 22262 mamudi 22589 mdetrlin 22788 rlocaddval 33612 mxidlprm 33776 q1pdir 33916 r1pcyc 33920 lflvscl 39884 lflvsdi1 39885 dvhlveclem 41915 |
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