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| Mirrors > Home > ILE Home > Th. List > ringsubdir | GIF version | ||
| Description: Ring multiplication distributes over subtraction. (subdir 8565 analog.) (Contributed by Jeff Madsen, 19-Jun-2010.) (Revised by Mario Carneiro, 2-Jul-2014.) |
| Ref | Expression |
|---|---|
| ringsubdi.b | ⊢ 𝐵 = (Base‘𝑅) |
| ringsubdi.t | ⊢ · = (.r‘𝑅) |
| ringsubdi.m | ⊢ − = (-g‘𝑅) |
| ringsubdi.r | ⊢ (𝜑 → 𝑅 ∈ Ring) |
| ringsubdi.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| ringsubdi.y | ⊢ (𝜑 → 𝑌 ∈ 𝐵) |
| ringsubdi.z | ⊢ (𝜑 → 𝑍 ∈ 𝐵) |
| Ref | Expression |
|---|---|
| ringsubdir | ⊢ (𝜑 → ((𝑋 − 𝑌) · 𝑍) = ((𝑋 · 𝑍) − (𝑌 · 𝑍))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ringsubdi.r | . . . 4 ⊢ (𝜑 → 𝑅 ∈ Ring) | |
| 2 | ringsubdi.x | . . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 3 | ringgrp 14016 | . . . . . 6 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Grp) | |
| 4 | 1, 3 | syl 14 | . . . . 5 ⊢ (𝜑 → 𝑅 ∈ Grp) |
| 5 | ringsubdi.y | . . . . 5 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 6 | ringsubdi.b | . . . . . 6 ⊢ 𝐵 = (Base‘𝑅) | |
| 7 | eqid 2231 | . . . . . 6 ⊢ (invg‘𝑅) = (invg‘𝑅) | |
| 8 | 6, 7 | grpinvcl 13632 | . . . . 5 ⊢ ((𝑅 ∈ Grp ∧ 𝑌 ∈ 𝐵) → ((invg‘𝑅)‘𝑌) ∈ 𝐵) |
| 9 | 4, 5, 8 | syl2anc 411 | . . . 4 ⊢ (𝜑 → ((invg‘𝑅)‘𝑌) ∈ 𝐵) |
| 10 | ringsubdi.z | . . . 4 ⊢ (𝜑 → 𝑍 ∈ 𝐵) | |
| 11 | eqid 2231 | . . . . 5 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
| 12 | ringsubdi.t | . . . . 5 ⊢ · = (.r‘𝑅) | |
| 13 | 6, 11, 12 | ringdir 14034 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ (𝑋 ∈ 𝐵 ∧ ((invg‘𝑅)‘𝑌) ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋(+g‘𝑅)((invg‘𝑅)‘𝑌)) · 𝑍) = ((𝑋 · 𝑍)(+g‘𝑅)(((invg‘𝑅)‘𝑌) · 𝑍))) |
| 14 | 1, 2, 9, 10, 13 | syl13anc 1275 | . . 3 ⊢ (𝜑 → ((𝑋(+g‘𝑅)((invg‘𝑅)‘𝑌)) · 𝑍) = ((𝑋 · 𝑍)(+g‘𝑅)(((invg‘𝑅)‘𝑌) · 𝑍))) |
| 15 | 6, 12, 7, 1, 5, 10 | ringmneg1 14068 | . . . 4 ⊢ (𝜑 → (((invg‘𝑅)‘𝑌) · 𝑍) = ((invg‘𝑅)‘(𝑌 · 𝑍))) |
| 16 | 15 | oveq2d 6034 | . . 3 ⊢ (𝜑 → ((𝑋 · 𝑍)(+g‘𝑅)(((invg‘𝑅)‘𝑌) · 𝑍)) = ((𝑋 · 𝑍)(+g‘𝑅)((invg‘𝑅)‘(𝑌 · 𝑍)))) |
| 17 | 14, 16 | eqtrd 2264 | . 2 ⊢ (𝜑 → ((𝑋(+g‘𝑅)((invg‘𝑅)‘𝑌)) · 𝑍) = ((𝑋 · 𝑍)(+g‘𝑅)((invg‘𝑅)‘(𝑌 · 𝑍)))) |
| 18 | ringsubdi.m | . . . . 5 ⊢ − = (-g‘𝑅) | |
| 19 | 6, 11, 7, 18 | grpsubval 13630 | . . . 4 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 − 𝑌) = (𝑋(+g‘𝑅)((invg‘𝑅)‘𝑌))) |
| 20 | 2, 5, 19 | syl2anc 411 | . . 3 ⊢ (𝜑 → (𝑋 − 𝑌) = (𝑋(+g‘𝑅)((invg‘𝑅)‘𝑌))) |
| 21 | 20 | oveq1d 6033 | . 2 ⊢ (𝜑 → ((𝑋 − 𝑌) · 𝑍) = ((𝑋(+g‘𝑅)((invg‘𝑅)‘𝑌)) · 𝑍)) |
| 22 | 6, 12 | ringcl 14028 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵) → (𝑋 · 𝑍) ∈ 𝐵) |
| 23 | 1, 2, 10, 22 | syl3anc 1273 | . . 3 ⊢ (𝜑 → (𝑋 · 𝑍) ∈ 𝐵) |
| 24 | 6, 12 | ringcl 14028 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵) → (𝑌 · 𝑍) ∈ 𝐵) |
| 25 | 1, 5, 10, 24 | syl3anc 1273 | . . 3 ⊢ (𝜑 → (𝑌 · 𝑍) ∈ 𝐵) |
| 26 | 6, 11, 7, 18 | grpsubval 13630 | . . 3 ⊢ (((𝑋 · 𝑍) ∈ 𝐵 ∧ (𝑌 · 𝑍) ∈ 𝐵) → ((𝑋 · 𝑍) − (𝑌 · 𝑍)) = ((𝑋 · 𝑍)(+g‘𝑅)((invg‘𝑅)‘(𝑌 · 𝑍)))) |
| 27 | 23, 25, 26 | syl2anc 411 | . 2 ⊢ (𝜑 → ((𝑋 · 𝑍) − (𝑌 · 𝑍)) = ((𝑋 · 𝑍)(+g‘𝑅)((invg‘𝑅)‘(𝑌 · 𝑍)))) |
| 28 | 17, 21, 27 | 3eqtr4d 2274 | 1 ⊢ (𝜑 → ((𝑋 − 𝑌) · 𝑍) = ((𝑋 · 𝑍) − (𝑌 · 𝑍))) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1397 ∈ wcel 2202 ‘cfv 5326 (class class class)co 6018 Basecbs 13083 +gcplusg 13161 .rcmulr 13162 Grpcgrp 13584 invgcminusg 13585 -gcsg 13586 Ringcrg 14011 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4204 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-cnex 8123 ax-resscn 8124 ax-1cn 8125 ax-1re 8126 ax-icn 8127 ax-addcl 8128 ax-addrcl 8129 ax-mulcl 8130 ax-addcom 8132 ax-addass 8134 ax-i2m1 8137 ax-0lt1 8138 ax-0id 8140 ax-rnegex 8141 ax-pre-ltirr 8144 ax-pre-ltadd 8148 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-reu 2517 df-rmo 2518 df-rab 2519 df-v 2804 df-sbc 3032 df-csb 3128 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-nul 3495 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-iun 3972 df-br 4089 df-opab 4151 df-mpt 4152 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-f1 5331 df-fo 5332 df-f1o 5333 df-fv 5334 df-riota 5971 df-ov 6021 df-oprab 6022 df-mpo 6023 df-1st 6303 df-2nd 6304 df-pnf 8216 df-mnf 8217 df-ltxr 8219 df-inn 9144 df-2 9202 df-3 9203 df-ndx 13086 df-slot 13087 df-base 13089 df-sets 13090 df-plusg 13174 df-mulr 13175 df-0g 13342 df-mgm 13440 df-sgrp 13486 df-mnd 13501 df-grp 13587 df-minusg 13588 df-sbg 13589 df-mgp 13936 df-ur 13975 df-ring 14013 |
| This theorem is referenced by: (None) |
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