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| Mirrors > Home > MPE Home > Th. List > ressascl | Structured version Visualization version GIF version | ||
| Description: The lifting of scalars is invariant between subalgebras and superalgebras. (Contributed by Mario Carneiro, 9-Mar-2015.) |
| Ref | Expression |
|---|---|
| ressascl.a | ⊢ 𝐴 = (algSc‘𝑊) |
| ressascl.x | ⊢ 𝑋 = (𝑊 ↾s 𝑆) |
| Ref | Expression |
|---|---|
| ressascl | ⊢ (𝑆 ∈ (SubRing‘𝑊) → 𝐴 = (algSc‘𝑋)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ressascl.x | . . . . 5 ⊢ 𝑋 = (𝑊 ↾s 𝑆) | |
| 2 | eqid 2729 | . . . . 5 ⊢ (Scalar‘𝑊) = (Scalar‘𝑊) | |
| 3 | 1, 2 | resssca 17247 | . . . 4 ⊢ (𝑆 ∈ (SubRing‘𝑊) → (Scalar‘𝑊) = (Scalar‘𝑋)) |
| 4 | 3 | fveq2d 6826 | . . 3 ⊢ (𝑆 ∈ (SubRing‘𝑊) → (Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑋))) |
| 5 | eqid 2729 | . . . . 5 ⊢ ( ·𝑠 ‘𝑊) = ( ·𝑠 ‘𝑊) | |
| 6 | 1, 5 | ressvsca 17248 | . . . 4 ⊢ (𝑆 ∈ (SubRing‘𝑊) → ( ·𝑠 ‘𝑊) = ( ·𝑠 ‘𝑋)) |
| 7 | eqidd 2730 | . . . 4 ⊢ (𝑆 ∈ (SubRing‘𝑊) → 𝑥 = 𝑥) | |
| 8 | eqid 2729 | . . . . 5 ⊢ (1r‘𝑊) = (1r‘𝑊) | |
| 9 | 1, 8 | subrg1 20467 | . . . 4 ⊢ (𝑆 ∈ (SubRing‘𝑊) → (1r‘𝑊) = (1r‘𝑋)) |
| 10 | 6, 7, 9 | oveq123d 7370 | . . 3 ⊢ (𝑆 ∈ (SubRing‘𝑊) → (𝑥( ·𝑠 ‘𝑊)(1r‘𝑊)) = (𝑥( ·𝑠 ‘𝑋)(1r‘𝑋))) |
| 11 | 4, 10 | mpteq12dv 5179 | . 2 ⊢ (𝑆 ∈ (SubRing‘𝑊) → (𝑥 ∈ (Base‘(Scalar‘𝑊)) ↦ (𝑥( ·𝑠 ‘𝑊)(1r‘𝑊))) = (𝑥 ∈ (Base‘(Scalar‘𝑋)) ↦ (𝑥( ·𝑠 ‘𝑋)(1r‘𝑋)))) |
| 12 | ressascl.a | . . 3 ⊢ 𝐴 = (algSc‘𝑊) | |
| 13 | eqid 2729 | . . 3 ⊢ (Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑊)) | |
| 14 | 12, 2, 13, 5, 8 | asclfval 21786 | . 2 ⊢ 𝐴 = (𝑥 ∈ (Base‘(Scalar‘𝑊)) ↦ (𝑥( ·𝑠 ‘𝑊)(1r‘𝑊))) |
| 15 | eqid 2729 | . . 3 ⊢ (algSc‘𝑋) = (algSc‘𝑋) | |
| 16 | eqid 2729 | . . 3 ⊢ (Scalar‘𝑋) = (Scalar‘𝑋) | |
| 17 | eqid 2729 | . . 3 ⊢ (Base‘(Scalar‘𝑋)) = (Base‘(Scalar‘𝑋)) | |
| 18 | eqid 2729 | . . 3 ⊢ ( ·𝑠 ‘𝑋) = ( ·𝑠 ‘𝑋) | |
| 19 | eqid 2729 | . . 3 ⊢ (1r‘𝑋) = (1r‘𝑋) | |
| 20 | 15, 16, 17, 18, 19 | asclfval 21786 | . 2 ⊢ (algSc‘𝑋) = (𝑥 ∈ (Base‘(Scalar‘𝑋)) ↦ (𝑥( ·𝑠 ‘𝑋)(1r‘𝑋))) |
| 21 | 11, 14, 20 | 3eqtr4g 2789 | 1 ⊢ (𝑆 ∈ (SubRing‘𝑊) → 𝐴 = (algSc‘𝑋)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2109 ↦ cmpt 5173 ‘cfv 6482 (class class class)co 7349 Basecbs 17120 ↾s cress 17141 Scalarcsca 17164 ·𝑠 cvsca 17165 1rcur 20066 SubRingcsubrg 20454 algSccascl 21759 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5218 ax-sep 5235 ax-nul 5245 ax-pow 5304 ax-pr 5371 ax-un 7671 ax-cnex 11065 ax-resscn 11066 ax-1cn 11067 ax-icn 11068 ax-addcl 11069 ax-addrcl 11070 ax-mulcl 11071 ax-mulrcl 11072 ax-mulcom 11073 ax-addass 11074 ax-mulass 11075 ax-distr 11076 ax-i2m1 11077 ax-1ne0 11078 ax-1rid 11079 ax-rnegex 11080 ax-rrecex 11081 ax-cnre 11082 ax-pre-lttri 11083 ax-pre-lttrn 11084 ax-pre-ltadd 11085 ax-pre-mulgt0 11086 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rmo 3343 df-reu 3344 df-rab 3395 df-v 3438 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4285 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4859 df-iun 4943 df-br 5093 df-opab 5155 df-mpt 5174 df-tr 5200 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6249 df-ord 6310 df-on 6311 df-lim 6312 df-suc 6313 df-iota 6438 df-fun 6484 df-fn 6485 df-f 6486 df-f1 6487 df-fo 6488 df-f1o 6489 df-fv 6490 df-riota 7306 df-ov 7352 df-oprab 7353 df-mpo 7354 df-om 7800 df-2nd 7925 df-frecs 8214 df-wrecs 8245 df-recs 8294 df-rdg 8332 df-er 8625 df-en 8873 df-dom 8874 df-sdom 8875 df-pnf 11151 df-mnf 11152 df-xr 11153 df-ltxr 11154 df-le 11155 df-sub 11349 df-neg 11350 df-nn 12129 df-2 12191 df-3 12192 df-4 12193 df-5 12194 df-6 12195 df-sets 17075 df-slot 17093 df-ndx 17105 df-base 17121 df-ress 17142 df-plusg 17174 df-mulr 17175 df-sca 17177 df-vsca 17178 df-0g 17345 df-mgm 18514 df-sgrp 18593 df-mnd 18609 df-subg 19002 df-mgp 20026 df-ur 20067 df-ring 20120 df-subrg 20455 df-ascl 21762 |
| This theorem is referenced by: evlseu 21988 |
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