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| Mirrors > Home > MPE Home > Th. List > Mathboxes > mnringmulrvald | Structured version Visualization version GIF version | ||
| Description: Value of multiplication in a monoid ring. (Contributed by Rohan Ridenour, 14-May-2024.) |
| Ref | Expression |
|---|---|
| mnringmulrvald.1 | ⊢ 𝐹 = (𝑅 MndRing 𝑀) |
| mnringmulrvald.2 | ⊢ 𝐵 = (Base‘𝐹) |
| mnringmulrvald.3 | ⊢ ∙ = (.r‘𝑅) |
| mnringmulrvald.4 | ⊢ 𝟎 = (0g‘𝑅) |
| mnringmulrvald.5 | ⊢ 𝐴 = (Base‘𝑀) |
| mnringmulrvald.6 | ⊢ + = (+g‘𝑀) |
| mnringmulrvald.7 | ⊢ · = (.r‘𝐹) |
| mnringmulrvald.8 | ⊢ (𝜑 → 𝑅 ∈ 𝑈) |
| mnringmulrvald.9 | ⊢ (𝜑 → 𝑀 ∈ 𝑊) |
| mnringmulrvald.10 | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| mnringmulrvald.11 | ⊢ (𝜑 → 𝑌 ∈ 𝐵) |
| Ref | Expression |
|---|---|
| mnringmulrvald | ⊢ (𝜑 → (𝑋 · 𝑌) = (𝐹 Σg (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑋‘𝑎) ∙ (𝑌‘𝑏)), 𝟎 ))))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mnringmulrvald.1 | . . . . 5 ⊢ 𝐹 = (𝑅 MndRing 𝑀) | |
| 2 | mnringmulrvald.2 | . . . . 5 ⊢ 𝐵 = (Base‘𝐹) | |
| 3 | mnringmulrvald.3 | . . . . 5 ⊢ ∙ = (.r‘𝑅) | |
| 4 | mnringmulrvald.4 | . . . . 5 ⊢ 𝟎 = (0g‘𝑅) | |
| 5 | mnringmulrvald.5 | . . . . 5 ⊢ 𝐴 = (Base‘𝑀) | |
| 6 | mnringmulrvald.6 | . . . . 5 ⊢ + = (+g‘𝑀) | |
| 7 | mnringmulrvald.8 | . . . . 5 ⊢ (𝜑 → 𝑅 ∈ 𝑈) | |
| 8 | mnringmulrvald.9 | . . . . 5 ⊢ (𝜑 → 𝑀 ∈ 𝑊) | |
| 9 | 1, 2, 3, 4, 5, 6, 7, 8 | mnringmulrd 44576 | . . . 4 ⊢ (𝜑 → (𝑥 ∈ 𝐵, 𝑦 ∈ 𝐵 ↦ (𝐹 Σg (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) ∙ (𝑦‘𝑏)), 𝟎 ))))) = (.r‘𝐹)) |
| 10 | mnringmulrvald.7 | . . . 4 ⊢ · = (.r‘𝐹) | |
| 11 | 9, 10 | eqtr4di 2790 | . . 3 ⊢ (𝜑 → (𝑥 ∈ 𝐵, 𝑦 ∈ 𝐵 ↦ (𝐹 Σg (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) ∙ (𝑦‘𝑏)), 𝟎 ))))) = · ) |
| 12 | 11 | eqcomd 2743 | . 2 ⊢ (𝜑 → · = (𝑥 ∈ 𝐵, 𝑦 ∈ 𝐵 ↦ (𝐹 Σg (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) ∙ (𝑦‘𝑏)), 𝟎 )))))) |
| 13 | fveq1 6841 | . . . . . . . 8 ⊢ (𝑥 = 𝑋 → (𝑥‘𝑎) = (𝑋‘𝑎)) | |
| 14 | fveq1 6841 | . . . . . . . 8 ⊢ (𝑦 = 𝑌 → (𝑦‘𝑏) = (𝑌‘𝑏)) | |
| 15 | 13, 14 | oveqan12d 7387 | . . . . . . 7 ⊢ ((𝑥 = 𝑋 ∧ 𝑦 = 𝑌) → ((𝑥‘𝑎) ∙ (𝑦‘𝑏)) = ((𝑋‘𝑎) ∙ (𝑌‘𝑏))) |
| 16 | 15 | ifeq1d 4501 | . . . . . 6 ⊢ ((𝑥 = 𝑋 ∧ 𝑦 = 𝑌) → if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) ∙ (𝑦‘𝑏)), 𝟎 ) = if(𝑖 = (𝑎 + 𝑏), ((𝑋‘𝑎) ∙ (𝑌‘𝑏)), 𝟎 )) |
| 17 | 16 | mpteq2dv 5194 | . . . . 5 ⊢ ((𝑥 = 𝑋 ∧ 𝑦 = 𝑌) → (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) ∙ (𝑦‘𝑏)), 𝟎 )) = (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑋‘𝑎) ∙ (𝑌‘𝑏)), 𝟎 ))) |
| 18 | 17 | mpoeq3dv 7447 | . . . 4 ⊢ ((𝑥 = 𝑋 ∧ 𝑦 = 𝑌) → (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) ∙ (𝑦‘𝑏)), 𝟎 ))) = (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑋‘𝑎) ∙ (𝑌‘𝑏)), 𝟎 )))) |
| 19 | 18 | oveq2d 7384 | . . 3 ⊢ ((𝑥 = 𝑋 ∧ 𝑦 = 𝑌) → (𝐹 Σg (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) ∙ (𝑦‘𝑏)), 𝟎 )))) = (𝐹 Σg (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑋‘𝑎) ∙ (𝑌‘𝑏)), 𝟎 ))))) |
| 20 | 19 | adantl 481 | . 2 ⊢ ((𝜑 ∧ (𝑥 = 𝑋 ∧ 𝑦 = 𝑌)) → (𝐹 Σg (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑥‘𝑎) ∙ (𝑦‘𝑏)), 𝟎 )))) = (𝐹 Σg (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑋‘𝑎) ∙ (𝑌‘𝑏)), 𝟎 ))))) |
| 21 | mnringmulrvald.10 | . 2 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 22 | mnringmulrvald.11 | . 2 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 23 | ovexd 7403 | . 2 ⊢ (𝜑 → (𝐹 Σg (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑋‘𝑎) ∙ (𝑌‘𝑏)), 𝟎 )))) ∈ V) | |
| 24 | 12, 20, 21, 22, 23 | ovmpod 7520 | 1 ⊢ (𝜑 → (𝑋 · 𝑌) = (𝐹 Σg (𝑎 ∈ 𝐴, 𝑏 ∈ 𝐴 ↦ (𝑖 ∈ 𝐴 ↦ if(𝑖 = (𝑎 + 𝑏), ((𝑋‘𝑎) ∙ (𝑌‘𝑏)), 𝟎 ))))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 Vcvv 3442 ifcif 4481 ↦ cmpt 5181 ‘cfv 6500 (class class class)co 7368 ∈ cmpo 7370 Basecbs 17148 +gcplusg 17189 .rcmulr 17190 0gc0g 17371 Σg cgsu 17372 MndRing cmnring 44564 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5226 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-1st 7943 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-nn 12158 df-2 12220 df-3 12221 df-seq 13937 df-sets 17103 df-slot 17121 df-ndx 17133 df-base 17149 df-plusg 17202 df-mulr 17203 df-0g 17373 df-gsum 17374 df-mnring 44565 |
| This theorem is referenced by: mnringmulrcld 44581 |
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