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| Mirrors > Home > MPE Home > Th. List > unitpropd | Structured version Visualization version GIF version | ||
| Description: The set of units depends only on the ring's base set and multiplication operation. (Contributed by Mario Carneiro, 26-Dec-2014.) |
| Ref | Expression |
|---|---|
| rngidpropd.1 | ⊢ (𝜑 → 𝐵 = (Base‘𝐾)) |
| rngidpropd.2 | ⊢ (𝜑 → 𝐵 = (Base‘𝐿)) |
| rngidpropd.3 | ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐾)𝑦) = (𝑥(.r‘𝐿)𝑦)) |
| Ref | Expression |
|---|---|
| unitpropd | ⊢ (𝜑 → (Unit‘𝐾) = (Unit‘𝐿)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rngidpropd.1 | . . . . . . 7 ⊢ (𝜑 → 𝐵 = (Base‘𝐾)) | |
| 2 | rngidpropd.2 | . . . . . . 7 ⊢ (𝜑 → 𝐵 = (Base‘𝐿)) | |
| 3 | rngidpropd.3 | . . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐾)𝑦) = (𝑥(.r‘𝐿)𝑦)) | |
| 4 | 1, 2, 3 | rngidpropd 20443 | . . . . . 6 ⊢ (𝜑 → (1r‘𝐾) = (1r‘𝐿)) |
| 5 | 4 | breq2d 5111 | . . . . 5 ⊢ (𝜑 → (𝑧(∥r‘𝐾)(1r‘𝐾) ↔ 𝑧(∥r‘𝐾)(1r‘𝐿))) |
| 6 | 4 | breq2d 5111 | . . . . 5 ⊢ (𝜑 → (𝑧(∥r‘(oppr‘𝐾))(1r‘𝐾) ↔ 𝑧(∥r‘(oppr‘𝐾))(1r‘𝐿))) |
| 7 | 5, 6 | anbi12d 641 | . . . 4 ⊢ (𝜑 → ((𝑧(∥r‘𝐾)(1r‘𝐾) ∧ 𝑧(∥r‘(oppr‘𝐾))(1r‘𝐾)) ↔ (𝑧(∥r‘𝐾)(1r‘𝐿) ∧ 𝑧(∥r‘(oppr‘𝐾))(1r‘𝐿)))) |
| 8 | 1, 2, 3 | dvdsrpropd 20444 | . . . . . 6 ⊢ (𝜑 → (∥r‘𝐾) = (∥r‘𝐿)) |
| 9 | 8 | breqd 5110 | . . . . 5 ⊢ (𝜑 → (𝑧(∥r‘𝐾)(1r‘𝐿) ↔ 𝑧(∥r‘𝐿)(1r‘𝐿))) |
| 10 | eqid 2761 | . . . . . . . . 9 ⊢ (oppr‘𝐾) = (oppr‘𝐾) | |
| 11 | eqid 2761 | . . . . . . . . 9 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 12 | 10, 11 | opprbas 20371 | . . . . . . . 8 ⊢ (Base‘𝐾) = (Base‘(oppr‘𝐾)) |
| 13 | 1, 12 | eqtrdi 2812 | . . . . . . 7 ⊢ (𝜑 → 𝐵 = (Base‘(oppr‘𝐾))) |
| 14 | eqid 2761 | . . . . . . . . 9 ⊢ (oppr‘𝐿) = (oppr‘𝐿) | |
| 15 | eqid 2761 | . . . . . . . . 9 ⊢ (Base‘𝐿) = (Base‘𝐿) | |
| 16 | 14, 15 | opprbas 20371 | . . . . . . . 8 ⊢ (Base‘𝐿) = (Base‘(oppr‘𝐿)) |
| 17 | 2, 16 | eqtrdi 2812 | . . . . . . 7 ⊢ (𝜑 → 𝐵 = (Base‘(oppr‘𝐿))) |
| 18 | 3 | ancom2s 660 | . . . . . . . 8 ⊢ ((𝜑 ∧ (𝑦 ∈ 𝐵 ∧ 𝑥 ∈ 𝐵)) → (𝑥(.r‘𝐾)𝑦) = (𝑥(.r‘𝐿)𝑦)) |
| 19 | eqid 2761 | . . . . . . . . 9 ⊢ (.r‘𝐾) = (.r‘𝐾) | |
| 20 | eqid 2761 | . . . . . . . . 9 ⊢ (.r‘(oppr‘𝐾)) = (.r‘(oppr‘𝐾)) | |
| 21 | 11, 19, 10, 20 | opprmul 20368 | . . . . . . . 8 ⊢ (𝑦(.r‘(oppr‘𝐾))𝑥) = (𝑥(.r‘𝐾)𝑦) |
| 22 | eqid 2761 | . . . . . . . . 9 ⊢ (.r‘𝐿) = (.r‘𝐿) | |
| 23 | eqid 2761 | . . . . . . . . 9 ⊢ (.r‘(oppr‘𝐿)) = (.r‘(oppr‘𝐿)) | |
| 24 | 15, 22, 14, 23 | opprmul 20368 | . . . . . . . 8 ⊢ (𝑦(.r‘(oppr‘𝐿))𝑥) = (𝑥(.r‘𝐿)𝑦) |
| 25 | 18, 21, 24 | 3eqtr4g 2821 | . . . . . . 7 ⊢ ((𝜑 ∧ (𝑦 ∈ 𝐵 ∧ 𝑥 ∈ 𝐵)) → (𝑦(.r‘(oppr‘𝐾))𝑥) = (𝑦(.r‘(oppr‘𝐿))𝑥)) |
| 26 | 13, 17, 25 | dvdsrpropd 20444 | . . . . . 6 ⊢ (𝜑 → (∥r‘(oppr‘𝐾)) = (∥r‘(oppr‘𝐿))) |
| 27 | 26 | breqd 5110 | . . . . 5 ⊢ (𝜑 → (𝑧(∥r‘(oppr‘𝐾))(1r‘𝐿) ↔ 𝑧(∥r‘(oppr‘𝐿))(1r‘𝐿))) |
| 28 | 9, 27 | anbi12d 641 | . . . 4 ⊢ (𝜑 → ((𝑧(∥r‘𝐾)(1r‘𝐿) ∧ 𝑧(∥r‘(oppr‘𝐾))(1r‘𝐿)) ↔ (𝑧(∥r‘𝐿)(1r‘𝐿) ∧ 𝑧(∥r‘(oppr‘𝐿))(1r‘𝐿)))) |
| 29 | 7, 28 | bitrd 281 | . . 3 ⊢ (𝜑 → ((𝑧(∥r‘𝐾)(1r‘𝐾) ∧ 𝑧(∥r‘(oppr‘𝐾))(1r‘𝐾)) ↔ (𝑧(∥r‘𝐿)(1r‘𝐿) ∧ 𝑧(∥r‘(oppr‘𝐿))(1r‘𝐿)))) |
| 30 | eqid 2761 | . . . 4 ⊢ (Unit‘𝐾) = (Unit‘𝐾) | |
| 31 | eqid 2761 | . . . 4 ⊢ (1r‘𝐾) = (1r‘𝐾) | |
| 32 | eqid 2761 | . . . 4 ⊢ (∥r‘𝐾) = (∥r‘𝐾) | |
| 33 | eqid 2761 | . . . 4 ⊢ (∥r‘(oppr‘𝐾)) = (∥r‘(oppr‘𝐾)) | |
| 34 | 30, 31, 32, 10, 33 | isunit 20401 | . . 3 ⊢ (𝑧 ∈ (Unit‘𝐾) ↔ (𝑧(∥r‘𝐾)(1r‘𝐾) ∧ 𝑧(∥r‘(oppr‘𝐾))(1r‘𝐾))) |
| 35 | eqid 2761 | . . . 4 ⊢ (Unit‘𝐿) = (Unit‘𝐿) | |
| 36 | eqid 2761 | . . . 4 ⊢ (1r‘𝐿) = (1r‘𝐿) | |
| 37 | eqid 2761 | . . . 4 ⊢ (∥r‘𝐿) = (∥r‘𝐿) | |
| 38 | eqid 2761 | . . . 4 ⊢ (∥r‘(oppr‘𝐿)) = (∥r‘(oppr‘𝐿)) | |
| 39 | 35, 36, 37, 14, 38 | isunit 20401 | . . 3 ⊢ (𝑧 ∈ (Unit‘𝐿) ↔ (𝑧(∥r‘𝐿)(1r‘𝐿) ∧ 𝑧(∥r‘(oppr‘𝐿))(1r‘𝐿))) |
| 40 | 29, 34, 39 | 3bitr4g 316 | . 2 ⊢ (𝜑 → (𝑧 ∈ (Unit‘𝐾) ↔ 𝑧 ∈ (Unit‘𝐿))) |
| 41 | 40 | eqrdv 2759 | 1 ⊢ (𝜑 → (Unit‘𝐾) = (Unit‘𝐿)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 = wceq 1559 ∈ wcel 2141 class class class wbr 5099 ‘cfv 6517 (class class class)co 7392 Basecbs 17228 .rcmulr 17270 1rcur 20210 opprcoppr 20364 ∥rcdsr 20382 Unitcui 20383 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5226 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 ax-un 7714 ax-cnex 11126 ax-resscn 11127 ax-1cn 11128 ax-icn 11129 ax-addcl 11130 ax-addrcl 11131 ax-mulcl 11132 ax-mulrcl 11133 ax-mulcom 11134 ax-addass 11135 ax-mulass 11136 ax-distr 11137 ax-i2m1 11138 ax-1ne0 11139 ax-1rid 11140 ax-rnegex 11141 ax-rrecex 11142 ax-cnre 11143 ax-pre-lttri 11144 ax-pre-lttrn 11145 ax-pre-ltadd 11146 ax-pre-mulgt0 11147 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4950 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5540 df-eprel 5545 df-po 5553 df-so 5554 df-fr 5598 df-we 5600 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-pred 6284 df-ord 6345 df-on 6346 df-lim 6347 df-suc 6348 df-iota 6473 df-fun 6519 df-fn 6520 df-f 6521 df-f1 6522 df-fo 6523 df-f1o 6524 df-fv 6525 df-riota 7349 df-ov 7395 df-oprab 7396 df-mpo 7397 df-om 7843 df-2nd 7967 df-tpos 8201 df-frecs 8257 df-wrecs 8288 df-recs 8337 df-rdg 8376 df-er 8673 df-en 8924 df-dom 8925 df-sdom 8926 df-pnf 11215 df-mnf 11216 df-xr 11217 df-ltxr 11218 df-le 11219 df-sub 11413 df-neg 11414 df-nn 12208 df-2 12277 df-3 12278 df-sets 17183 df-slot 17201 df-ndx 17213 df-base 17229 df-plusg 17282 df-mulr 17283 df-0g 17453 df-mgp 20170 df-ur 20211 df-oppr 20365 df-dvdsr 20385 df-unit 20386 |
| This theorem is referenced by: invrpropd 20446 drngprop 20773 drngpropd 20798 sradrng 33840 |
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