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| Mirrors > Home > MPE Home > Th. List > rngqiprngfulem1 | Structured version Visualization version GIF version | ||
| Description: Lemma 1 for rngqiprngfu 21619 (and lemma for rngqiprngu 21620). (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) |
| Ref | Expression |
|---|---|
| rngqiprngfulem1 | ⊢ (𝜑 → ∃𝑥 ∈ 𝐵 (1r‘𝑄) = [𝑥] ∼ ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rngqiprngfu.v | . . . 4 ⊢ (𝜑 → 𝑄 ∈ Ring) | |
| 2 | eqid 2760 | . . . . 5 ⊢ (Base‘𝑄) = (Base‘𝑄) | |
| 3 | eqid 2760 | . . . . 5 ⊢ (1r‘𝑄) = (1r‘𝑄) | |
| 4 | 2, 3 | ringidcl 20500 | . . . 4 ⊢ (𝑄 ∈ Ring → (1r‘𝑄) ∈ (Base‘𝑄)) |
| 5 | 1, 4 | syl 18 | . . 3 ⊢ (𝜑 → (1r‘𝑄) ∈ (Base‘𝑄)) |
| 6 | rngqiprngfu.q | . . . . 5 ⊢ 𝑄 = (𝑅 /s ∼ ) | |
| 7 | 6 | a1i 11 | . . . 4 ⊢ (𝜑 → 𝑄 = (𝑅 /s ∼ )) |
| 8 | rngqiprngfu.b | . . . . 5 ⊢ 𝐵 = (Base‘𝑅) | |
| 9 | 8 | a1i 11 | . . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝑅)) |
| 10 | rngqiprngfu.g | . . . . . 6 ⊢ ∼ = (𝑅 ~QG 𝐼) | |
| 11 | 10 | ovexi 7455 | . . . . 5 ⊢ ∼ ∈ V |
| 12 | 11 | a1i 11 | . . . 4 ⊢ (𝜑 → ∼ ∈ V) |
| 13 | rngqiprngfu.r | . . . 4 ⊢ (𝜑 → 𝑅 ∈ Rng) | |
| 14 | 7, 9, 12, 13 | qusbas 17723 | . . 3 ⊢ (𝜑 → (𝐵 / ∼ ) = (Base‘𝑄)) |
| 15 | 5, 14 | eleqtrrd 2863 | . 2 ⊢ (𝜑 → (1r‘𝑄) ∈ (𝐵 / ∼ )) |
| 16 | fvexd 6901 | . . 3 ⊢ (𝜑 → (1r‘𝑄) ∈ V) | |
| 17 | elqsg 8788 | . . 3 ⊢ ((1r‘𝑄) ∈ V → ((1r‘𝑄) ∈ (𝐵 / ∼ ) ↔ ∃𝑥 ∈ 𝐵 (1r‘𝑄) = [𝑥] ∼ )) | |
| 18 | 16, 17 | syl 18 | . 2 ⊢ (𝜑 → ((1r‘𝑄) ∈ (𝐵 / ∼ ) ↔ ∃𝑥 ∈ 𝐵 (1r‘𝑄) = [𝑥] ∼ )) |
| 19 | 15, 18 | mpbid 235 | 1 ⊢ (𝜑 → ∃𝑥 ∈ 𝐵 (1r‘𝑄) = [𝑥] ∼ ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1569 ∈ wcel 2144 ∃wrex 3086 Vcvv 3450 ‘cfv 6539 (class class class)co 7421 [cec 8719 / cqs 8720 Basecbs 17393 ↾s cress 17414 .rcmulr 17435 /s cqus 17683 ~QG cqg 19338 Rngcrng 20380 1rcur 20413 Ringcrg 20465 2Idealc2idl 21548 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-cnex 11260 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 ax-pre-mulgt0 11281 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-om 7879 df-1st 8002 df-2nd 8003 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-1o 8480 df-er 8721 df-ec 8723 df-qs 8727 df-en 8978 df-dom 8979 df-sdom 8980 df-fin 8981 df-sup 9438 df-inf 9439 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 df-sub 11547 df-neg 11548 df-nn 12340 df-2 12409 df-3 12410 df-4 12411 df-5 12412 df-6 12413 df-7 12414 df-8 12415 df-9 12416 df-n0 12611 df-z 12698 df-dec 12819 df-uz 12970 df-fz 13644 df-struct 17331 df-sets 17348 df-slot 17366 df-ndx 17378 df-base 17394 df-plusg 17447 df-mulr 17448 df-sca 17450 df-vsca 17451 df-ip 17452 df-tset 17453 df-ple 17454 df-ds 17456 df-0g 17618 df-imas 17686 df-qus 17687 df-mgm 18822 df-sgrp 18914 df-mnd 18930 df-mgp 20367 df-ur 20414 df-ring 20467 |
| This theorem is used by: rngqiprngfulem2 21614 rngqipring1 21618 |
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