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| Mirrors > Home > MPE Home > Th. List > rngqiprngfulem2 | Structured version Visualization version GIF version | ||
| Description: Lemma 2 for rngqiprngfu 21375 (and lemma for rngqiprngu 21376). (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 21369 | . 2 ⊢ (𝜑 → ∃𝑥 ∈ 𝐵 (1r‘𝑄) = [𝑥] ∼ ) |
| 12 | rngqiprngfu.e | . . . . 5 ⊢ (𝜑 → 𝐸 ∈ (1r‘𝑄)) | |
| 13 | 12 | adantr 484 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → 𝐸 ∈ (1r‘𝑄)) |
| 14 | eleq2 2850 | . . . . . . 7 ⊢ ((1r‘𝑄) = [𝑥] ∼ → (𝐸 ∈ (1r‘𝑄) ↔ 𝐸 ∈ [𝑥] ∼ )) | |
| 15 | 14 | adantl 485 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (1r‘𝑄) = [𝑥] ∼ ) → (𝐸 ∈ (1r‘𝑄) ↔ 𝐸 ∈ [𝑥] ∼ )) |
| 16 | elecg 8717 | . . . . . . . . 9 ⊢ ((𝐸 ∈ (1r‘𝑄) ∧ 𝑥 ∈ 𝐵) → (𝐸 ∈ [𝑥] ∼ ↔ 𝑥 ∼ 𝐸)) | |
| 17 | 12, 16 | sylan 589 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝐸 ∈ [𝑥] ∼ ↔ 𝑥 ∼ 𝐸)) |
| 18 | rngabl 20192 | . . . . . . . . . . . . 13 ⊢ (𝑅 ∈ Rng → 𝑅 ∈ Abel) | |
| 19 | 1, 18 | syl 17 | . . . . . . . . . . . 12 ⊢ (𝜑 → 𝑅 ∈ Abel) |
| 20 | eqid 2761 | . . . . . . . . . . . . . 14 ⊢ (2Ideal‘𝑅) = (2Ideal‘𝑅) | |
| 21 | 5, 20 | 2idlss 21320 | . . . . . . . . . . . . 13 ⊢ (𝐼 ∈ (2Ideal‘𝑅) → 𝐼 ⊆ 𝐵) |
| 22 | 2, 21 | syl 17 | . . . . . . . . . . . 12 ⊢ (𝜑 → 𝐼 ⊆ 𝐵) |
| 23 | 19, 22 | jca 519 | . . . . . . . . . . 11 ⊢ (𝜑 → (𝑅 ∈ Abel ∧ 𝐼 ⊆ 𝐵)) |
| 24 | 23 | adantr 484 | . . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑅 ∈ Abel ∧ 𝐼 ⊆ 𝐵)) |
| 25 | eqid 2761 | . . . . . . . . . . 11 ⊢ (-g‘𝑅) = (-g‘𝑅) | |
| 26 | 5, 25, 8 | eqgabl 19865 | . . . . . . . . . 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 1149 | . . . . . . . . 9 ⊢ ((𝑥 ∈ 𝐵 ∧ 𝐸 ∈ 𝐵 ∧ (𝐸(-g‘𝑅)𝑥) ∈ 𝐼) → 𝐸 ∈ 𝐵) | |
| 29 | 27, 28 | biimtrdi 255 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑥 ∼ 𝐸 → 𝐸 ∈ 𝐵)) |
| 30 | 17, 29 | sylbid 242 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝐸 ∈ [𝑥] ∼ → 𝐸 ∈ 𝐵)) |
| 31 | 30 | adantr 484 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (1r‘𝑄) = [𝑥] ∼ ) → (𝐸 ∈ [𝑥] ∼ → 𝐸 ∈ 𝐵)) |
| 32 | 15, 31 | sylbid 242 | . . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐵) ∧ (1r‘𝑄) = [𝑥] ∼ ) → (𝐸 ∈ (1r‘𝑄) → 𝐸 ∈ 𝐵)) |
| 33 | 32 | ex 416 | . . . 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 3162 | . 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 208 ∧ wa 399 ∧ w3a 1097 = wceq 1559 ∈ wcel 2141 ∃wrex 3085 ⊆ wss 3902 class class class wbr 5097 ‘cfv 6516 (class class class)co 7391 [cec 8670 Basecbs 17236 ↾s cress 17257 .rcmulr 17278 /s cqus 17526 -gcsg 18968 ~QG cqg 19155 Abelcabl 19812 Rngcrng 20189 1rcur 20218 Ringcrg 20270 2Idealc2idl 21307 |
| 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 5224 ax-sep 5243 ax-nul 5253 ax-pow 5319 ax-pr 5387 ax-un 7713 ax-cnex 11123 ax-resscn 11124 ax-1cn 11125 ax-icn 11126 ax-addcl 11127 ax-addrcl 11128 ax-mulcl 11129 ax-mulrcl 11130 ax-mulcom 11131 ax-addass 11132 ax-mulass 11133 ax-distr 11134 ax-i2m1 11135 ax-1ne0 11136 ax-1rid 11137 ax-rnegex 11138 ax-rrecex 11139 ax-cnre 11140 ax-pre-lttri 11141 ax-pre-lttrn 11142 ax-pre-ltadd 11143 ax-pre-mulgt0 11144 |
| 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-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-tp 4584 df-op 4586 df-uni 4863 df-iun 4948 df-br 5098 df-opab 5160 df-mpt 5179 df-tr 5205 df-id 5538 df-eprel 5543 df-po 5551 df-so 5552 df-fr 5596 df-we 5598 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-pred 6283 df-ord 6344 df-on 6345 df-lim 6346 df-suc 6347 df-iota 6472 df-fun 6518 df-fn 6519 df-f 6520 df-f1 6521 df-fo 6522 df-f1o 6523 df-fv 6524 df-riota 7348 df-ov 7394 df-oprab 7395 df-mpo 7396 df-om 7842 df-1st 7965 df-2nd 7966 df-frecs 8256 df-wrecs 8287 df-recs 8336 df-rdg 8375 df-1o 8431 df-er 8672 df-ec 8674 df-qs 8678 df-en 8922 df-dom 8923 df-sdom 8924 df-fin 8925 df-sup 9382 df-inf 9383 df-pnf 11212 df-mnf 11213 df-xr 11214 df-ltxr 11215 df-le 11216 df-sub 11410 df-neg 11411 df-nn 12205 df-2 12274 df-3 12275 df-4 12276 df-5 12277 df-6 12278 df-7 12279 df-8 12280 df-9 12281 df-n0 12476 df-z 12563 df-dec 12683 df-uz 12834 df-fz 13507 df-struct 17174 df-sets 17191 df-slot 17209 df-ndx 17221 df-base 17237 df-plusg 17290 df-mulr 17291 df-sca 17293 df-vsca 17294 df-ip 17295 df-tset 17296 df-ple 17297 df-ds 17299 df-0g 17461 df-imas 17529 df-qus 17530 df-mgm 18665 df-sgrp 18744 df-mnd 18760 df-grp 18969 df-minusg 18970 df-sbg 18971 df-eqg 19158 df-cmn 19813 df-abl 19814 df-mgp 20178 df-rng 20190 df-ur 20219 df-ring 20272 df-lss 20987 df-sra 21228 df-rgmod 21229 df-lidl 21266 df-2idl 21308 |
| This theorem is referenced by: rngqiprngfulem3 21371 rngqiprngfulem4 21372 rngqiprngfulem5 21373 |
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