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| Mirrors > Home > MPE Home > Th. List > rngqiprngfulem2 | Structured version Visualization version GIF version | ||
| Description: Lemma 2 for rngqiprngfu 21315 (and lemma for rngqiprngu 21316). (Contributed by AV, 16-Mar-2025.) |
| Ref | Expression |
|---|---|
| rngqiprngfu.r | ⊢ (𝜑 → 𝑅 ∈ Rng) |
| rngqiprngfu.i | ⊢ (𝜑 → 𝐼 ∈ (2Ideal‘𝑅)) |
| rngqiprngfu.j | ⊢ 𝐽 = (𝑅 ↾s 𝐼) |
| rngqiprngfu.u | ⊢ (𝜑 → 𝐽 ∈ Ring) |
| rngqiprngfu.b | ⊢ 𝐵 = (Base‘𝑅) |
| rngqiprngfu.t | ⊢ · = (.r‘𝑅) |
| rngqiprngfu.1 | ⊢ 1 = (1r‘𝐽) |
| rngqiprngfu.g | ⊢ ∼ = (𝑅 ~QG 𝐼) |
| rngqiprngfu.q | ⊢ 𝑄 = (𝑅 /s ∼ ) |
| rngqiprngfu.v | ⊢ (𝜑 → 𝑄 ∈ Ring) |
| rngqiprngfu.e | ⊢ (𝜑 → 𝐸 ∈ (1r‘𝑄)) |
| Ref | Expression |
|---|---|
| rngqiprngfulem2 | ⊢ (𝜑 → 𝐸 ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rngqiprngfu.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ Rng) | |
| 2 | rngqiprngfu.i | . . 3 ⊢ (𝜑 → 𝐼 ∈ (2Ideal‘𝑅)) | |
| 3 | rngqiprngfu.j | . . 3 ⊢ 𝐽 = (𝑅 ↾s 𝐼) | |
| 4 | rngqiprngfu.u | . . 3 ⊢ (𝜑 → 𝐽 ∈ Ring) | |
| 5 | rngqiprngfu.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 6 | rngqiprngfu.t | . . 3 ⊢ · = (.r‘𝑅) | |
| 7 | rngqiprngfu.1 | . . 3 ⊢ 1 = (1r‘𝐽) | |
| 8 | rngqiprngfu.g | . . 3 ⊢ ∼ = (𝑅 ~QG 𝐼) | |
| 9 | rngqiprngfu.q | . . 3 ⊢ 𝑄 = (𝑅 /s ∼ ) | |
| 10 | rngqiprngfu.v | . . 3 ⊢ (𝜑 → 𝑄 ∈ Ring) | |
| 11 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 | rngqiprngfulem1 21309 | . 2 ⊢ (𝜑 → ∃𝑥 ∈ 𝐵 (1r‘𝑄) = [𝑥] ∼ ) |
| 12 | rngqiprngfu.e | . . . . 5 ⊢ (𝜑 → 𝐸 ∈ (1r‘𝑄)) | |
| 13 | 12 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝐸 ∈ (1r‘𝑄)) |
| 14 | eleq2 2825 | . . . . . . 7 ⊢ ((1r‘𝑄) = [𝑥] ∼ → (𝐸 ∈ (1r‘𝑄) ↔ 𝐸 ∈ [𝑥] ∼ )) | |
| 15 | 14 | adantl 481 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (1r‘𝑄) = [𝑥] ∼ ) → (𝐸 ∈ (1r‘𝑄) ↔ 𝐸 ∈ [𝑥] ∼ )) |
| 16 | elecg 8688 | . . . . . . . . 9 ⊢ ((𝐸 ∈ (1r‘𝑄) ∧ 𝑥 ∈ 𝐵) → (𝐸 ∈ [𝑥] ∼ ↔ 𝑥 ∼ 𝐸)) | |
| 17 | 12, 16 | sylan 581 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝐸 ∈ [𝑥] ∼ ↔ 𝑥 ∼ 𝐸)) |
| 18 | rngabl 20136 | . . . . . . . . . . . . 13 ⊢ (𝑅 ∈ Rng → 𝑅 ∈ Abel) | |
| 19 | 1, 18 | syl 17 | . . . . . . . . . . . 12 ⊢ (𝜑 → 𝑅 ∈ Abel) |
| 20 | eqid 2736 | . . . . . . . . . . . . . 14 ⊢ (2Ideal‘𝑅) = (2Ideal‘𝑅) | |
| 21 | 5, 20 | 2idlss 21260 | . . . . . . . . . . . . 13 ⊢ (𝐼 ∈ (2Ideal‘𝑅) → 𝐼 ⊆ 𝐵) |
| 22 | 2, 21 | syl 17 | . . . . . . . . . . . 12 ⊢ (𝜑 → 𝐼 ⊆ 𝐵) |
| 23 | 19, 22 | jca 511 | . . . . . . . . . . 11 ⊢ (𝜑 → (𝑅 ∈ Abel ∧ 𝐼 ⊆ 𝐵)) |
| 24 | 23 | adantr 480 | . . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑅 ∈ Abel ∧ 𝐼 ⊆ 𝐵)) |
| 25 | eqid 2736 | . . . . . . . . . . 11 ⊢ (-g‘𝑅) = (-g‘𝑅) | |
| 26 | 5, 25, 8 | eqgabl 19809 | . . . . . . . . . 10 ⊢ ((𝑅 ∈ Abel ∧ 𝐼 ⊆ 𝐵) → (𝑥 ∼ 𝐸 ↔ (𝑥 ∈ 𝐵 ∧ 𝐸 ∈ 𝐵 ∧ (𝐸(-g‘𝑅)𝑥) ∈ 𝐼))) |
| 27 | 24, 26 | syl 17 | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑥 ∼ 𝐸 ↔ (𝑥 ∈ 𝐵 ∧ 𝐸 ∈ 𝐵 ∧ (𝐸(-g‘𝑅)𝑥) ∈ 𝐼))) |
| 28 | simp2 1138 | . . . . . . . . 9 ⊢ ((𝑥 ∈ 𝐵 ∧ 𝐸 ∈ 𝐵 ∧ (𝐸(-g‘𝑅)𝑥) ∈ 𝐼) → 𝐸 ∈ 𝐵) | |
| 29 | 27, 28 | biimtrdi 253 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑥 ∼ 𝐸 → 𝐸 ∈ 𝐵)) |
| 30 | 17, 29 | sylbid 240 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝐸 ∈ [𝑥] ∼ → 𝐸 ∈ 𝐵)) |
| 31 | 30 | adantr 480 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (1r‘𝑄) = [𝑥] ∼ ) → (𝐸 ∈ [𝑥] ∼ → 𝐸 ∈ 𝐵)) |
| 32 | 15, 31 | sylbid 240 | . . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (1r‘𝑄) = [𝑥] ∼ ) → (𝐸 ∈ (1r‘𝑄) → 𝐸 ∈ 𝐵)) |
| 33 | 32 | ex 412 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → ((1r‘𝑄) = [𝑥] ∼ → (𝐸 ∈ (1r‘𝑄) → 𝐸 ∈ 𝐵))) |
| 34 | 13, 33 | mpid 44 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → ((1r‘𝑄) = [𝑥] ∼ → 𝐸 ∈ 𝐵)) |
| 35 | 34 | rexlimdva 3138 | . 2 ⊢ (𝜑 → (∃𝑥 ∈ 𝐵 (1r‘𝑄) = [𝑥] ∼ → 𝐸 ∈ 𝐵)) |
| 36 | 11, 35 | mpd 15 | 1 ⊢ (𝜑 → 𝐸 ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ∃wrex 3061 ⊆ wss 3889 class class class wbr 5085 ‘cfv 6498 (class class class)co 7367 [cec 8641 Basecbs 17179 ↾s cress 17200 .rcmulr 17221 /s cqus 17469 -gcsg 18911 ~QG cqg 19098 Abelcabl 19756 Rngcrng 20133 1rcur 20162 Ringcrg 20214 2Idealc2idl 21247 |
| 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 2708 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-rmo 3342 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4851 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-1st 7942 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-1o 8405 df-er 8643 df-ec 8645 df-qs 8649 df-en 8894 df-dom 8895 df-sdom 8896 df-fin 8897 df-sup 9355 df-inf 9356 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-nn 12175 df-2 12244 df-3 12245 df-4 12246 df-5 12247 df-6 12248 df-7 12249 df-8 12250 df-9 12251 df-n0 12438 df-z 12525 df-dec 12645 df-uz 12789 df-fz 13462 df-struct 17117 df-sets 17134 df-slot 17152 df-ndx 17164 df-base 17180 df-plusg 17233 df-mulr 17234 df-sca 17236 df-vsca 17237 df-ip 17238 df-tset 17239 df-ple 17240 df-ds 17242 df-0g 17404 df-imas 17472 df-qus 17473 df-mgm 18608 df-sgrp 18687 df-mnd 18703 df-grp 18912 df-minusg 18913 df-sbg 18914 df-eqg 19101 df-cmn 19757 df-abl 19758 df-mgp 20122 df-rng 20134 df-ur 20163 df-ring 20216 df-lss 20927 df-sra 21168 df-rgmod 21169 df-lidl 21206 df-2idl 21248 |
| This theorem is referenced by: rngqiprngfulem3 21311 rngqiprngfulem4 21312 rngqiprngfulem5 21313 |
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