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| Mirrors > Home > MPE Home > Th. List > 2idlbas | Structured version Visualization version GIF version | ||
| Description: The base set of a two-sided ideal as structure. (Contributed by AV, 20-Feb-2025.) |
| Ref | Expression |
|---|---|
| 2idlbas.i | ⊢ (𝜑 → 𝐼 ∈ (2Ideal‘𝑅)) |
| 2idlbas.j | ⊢ 𝐽 = (𝑅 ↾s 𝐼) |
| 2idlbas.b | ⊢ 𝐵 = (Base‘𝐽) |
| Ref | Expression |
|---|---|
| 2idlbas | ⊢ (𝜑 → 𝐵 = 𝐼) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2idlbas.b | . 2 ⊢ 𝐵 = (Base‘𝐽) | |
| 2 | 2idlbas.i | . . 3 ⊢ (𝜑 → 𝐼 ∈ (2Ideal‘𝑅)) | |
| 3 | eqid 2734 | . . . 4 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 4 | eqid 2734 | . . . 4 ⊢ (2Ideal‘𝑅) = (2Ideal‘𝑅) | |
| 5 | 3, 4 | 2idlss 21208 | . . 3 ⊢ (𝐼 ∈ (2Ideal‘𝑅) → 𝐼 ⊆ (Base‘𝑅)) |
| 6 | 2idlbas.j | . . . 4 ⊢ 𝐽 = (𝑅 ↾s 𝐼) | |
| 7 | 6, 3 | ressbas2 17244 | . . 3 ⊢ (𝐼 ⊆ (Base‘𝑅) → 𝐼 = (Base‘𝐽)) |
| 8 | 2, 5, 7 | 3syl 18 | . 2 ⊢ (𝜑 → 𝐼 = (Base‘𝐽)) |
| 9 | 1, 8 | eqtr4id 2788 | 1 ⊢ (𝜑 → 𝐵 = 𝐼) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1539 ∈ wcel 2107 ⊆ wss 3924 ‘cfv 6527 (class class class)co 7399 Basecbs 17213 ↾s cress 17236 2Idealc2idl 21195 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2706 ax-rep 5246 ax-sep 5263 ax-nul 5273 ax-pow 5332 ax-pr 5399 ax-un 7723 ax-cnex 11177 ax-resscn 11178 ax-1cn 11179 ax-icn 11180 ax-addcl 11181 ax-addrcl 11182 ax-mulcl 11183 ax-mulrcl 11184 ax-mulcom 11185 ax-addass 11186 ax-mulass 11187 ax-distr 11188 ax-i2m1 11189 ax-1ne0 11190 ax-1rid 11191 ax-rnegex 11192 ax-rrecex 11193 ax-cnre 11194 ax-pre-lttri 11195 ax-pre-lttrn 11196 ax-pre-ltadd 11197 ax-pre-mulgt0 11198 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2064 df-mo 2538 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2808 df-nfc 2884 df-ne 2932 df-nel 3036 df-ral 3051 df-rex 3060 df-reu 3358 df-rab 3414 df-v 3459 df-sbc 3764 df-csb 3873 df-dif 3927 df-un 3929 df-in 3931 df-ss 3941 df-pss 3944 df-nul 4307 df-if 4499 df-pw 4575 df-sn 4600 df-pr 4602 df-op 4606 df-uni 4881 df-iun 4966 df-br 5117 df-opab 5179 df-mpt 5199 df-tr 5227 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6287 df-ord 6352 df-on 6353 df-lim 6354 df-suc 6355 df-iota 6480 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-riota 7356 df-ov 7402 df-oprab 7403 df-mpo 7404 df-om 7856 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8379 df-rdg 8418 df-er 8713 df-en 8954 df-dom 8955 df-sdom 8956 df-pnf 11263 df-mnf 11264 df-xr 11265 df-ltxr 11266 df-le 11267 df-sub 11460 df-neg 11461 df-nn 12233 df-2 12295 df-3 12296 df-4 12297 df-5 12298 df-6 12299 df-7 12300 df-8 12301 df-sets 17168 df-slot 17186 df-ndx 17198 df-base 17214 df-ress 17237 df-sca 17272 df-vsca 17273 df-ip 17274 df-lss 20874 df-sra 21116 df-rgmod 21117 df-lidl 21154 df-2idl 21196 |
| This theorem is referenced by: 2idlelbas 21210 rngqiprngghmlem1 21233 rngqiprngimfolem 21236 rngqiprngimf1lem 21240 rngqipbas 21241 rngqiprngimf 21243 rngqiprngimfo 21247 rng2idl1cntr 21251 rngqiprngfulem4 21260 |
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