| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 20388 | . 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 2145 ‘cfv 6533 (class class class)co 7413 Basecbs 17301 +gcplusg 17342 .rcmulr 17343 Ringcrg 20372 |
| 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 2147 ax-9 2155 ax-12 2213 ax-ext 2732 ax-nul 5263 |
| 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 2739 df-cleq 2752 df-clel 2835 df-ne 2956 df-ral 3077 df-rab 3413 df-v 3452 df-sbc 3740 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-iota 6489 df-fv 6541 df-ov 7416 df-ring 20374 |
| This theorem is used by: ringdird 20404 ringo2times 20416 ringcomlem 20420 ringnegl 20444 mulgass2 20451 ringrghm 20455 prdsringd 20461 imasring 20471 dvrdir 20553 issubrg2 20754 cntzsubr 20768 sralmod 21371 frlmphl 21994 psrlmod 22174 psrdir 22180 evlslem1 22298 mamudi 22625 mdetrlin 22824 rlocaddval 33709 mxidlprm 33873 q1pdir 34013 r1pcyc 34017 lflvscl 39950 lflvsdi1 39951 dvhlveclem 41981 |
| Copyright terms: Public domain | W3C validator |