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| Mirrors > Home > MPE Home > Th. List > Mathboxes > lactlmhm | Structured version Visualization version GIF version | ||
| Description: In an associative algebra 𝐴, left-multiplication by a fixed element of the algebra is a module homomorphism, analogous to ringlghm 20573. (Contributed by Thierry Arnoux, 3-Aug-2025.) |
| Ref | Expression |
|---|---|
| lactlmhm.b | ⊢ 𝐵 = (Base‘𝐴) |
| lactlmhm.m | ⊢ · = (.r‘𝐴) |
| lactlmhm.f | ⊢ 𝐹 = (𝑥 ∈ 𝐵 ↦ (𝐶 · 𝑥)) |
| lactlmhm.a | ⊢ (𝜑 → 𝐴 ∈ AssAlg) |
| lactlmhm.c | ⊢ (𝜑 → 𝐶 ∈ 𝐵) |
| Ref | Expression |
|---|---|
| lactlmhm | ⊢ (𝜑 → 𝐹 ∈ (𝐴 LMHom 𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lactlmhm.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ AssAlg) | |
| 2 | assalmod 22198 | . . 3 ⊢ (𝐴 ∈ AssAlg → 𝐴 ∈ LMod) | |
| 3 | 1, 2 | syl 18 | . 2 ⊢ (𝜑 → 𝐴 ∈ LMod) |
| 4 | lactlmhm.f | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐵 ↦ (𝐶 · 𝑥)) | |
| 5 | assaring 22199 | . . . . 5 ⊢ (𝐴 ∈ AssAlg → 𝐴 ∈ Ring) | |
| 6 | 1, 5 | syl 18 | . . . 4 ⊢ (𝜑 → 𝐴 ∈ Ring) |
| 7 | lactlmhm.c | . . . 4 ⊢ (𝜑 → 𝐶 ∈ 𝐵) | |
| 8 | lactlmhm.b | . . . . 5 ⊢ 𝐵 = (Base‘𝐴) | |
| 9 | lactlmhm.m | . . . . 5 ⊢ · = (.r‘𝐴) | |
| 10 | 8, 9 | ringlghm 20573 | . . . 4 ⊢ ((𝐴 ∈ Ring ∧ 𝐶 ∈ 𝐵) → (𝑥 ∈ 𝐵 ↦ (𝐶 · 𝑥)) ∈ (𝐴 GrpHom 𝐴)) |
| 11 | 6, 7, 10 | syl2anc 596 | . . 3 ⊢ (𝜑 → (𝑥 ∈ 𝐵 ↦ (𝐶 · 𝑥)) ∈ (𝐴 GrpHom 𝐴)) |
| 12 | 4, 11 | eqeltrid 2868 | . 2 ⊢ (𝜑 → 𝐹 ∈ (𝐴 GrpHom 𝐴)) |
| 13 | eqidd 2764 | . 2 ⊢ (𝜑 → (Scalar‘𝐴) = (Scalar‘𝐴)) | |
| 14 | 1 | ad2antrr 739 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → 𝐴 ∈ AssAlg) |
| 15 | simplr 781 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → 𝑎 ∈ (Base‘(Scalar‘𝐴))) | |
| 16 | 7 | ad2antrr 739 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → 𝐶 ∈ 𝐵) |
| 17 | simpr 490 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → 𝑏 ∈ 𝐵) | |
| 18 | eqid 2763 | . . . . . . 7 ⊢ (Scalar‘𝐴) = (Scalar‘𝐴) | |
| 19 | eqid 2763 | . . . . . . 7 ⊢ (Base‘(Scalar‘𝐴)) = (Base‘(Scalar‘𝐴)) | |
| 20 | eqid 2763 | . . . . . . 7 ⊢ ( ·𝑠 ‘𝐴) = ( ·𝑠 ‘𝐴) | |
| 21 | 8, 18, 19, 20, 9 | assaassr 22197 | . . . . . 6 ⊢ ((𝐴 ∈ AssAlg ∧ (𝑎 ∈ (Base‘(Scalar‘𝐴)) ∧ 𝐶 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵)) → (𝐶 · (𝑎( ·𝑠 ‘𝐴)𝑏)) = (𝑎( ·𝑠 ‘𝐴)(𝐶 · 𝑏))) |
| 22 | 14, 15, 16, 17, 21 | syl13anc 1400 | . . . . 5 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → (𝐶 · (𝑎( ·𝑠 ‘𝐴)𝑏)) = (𝑎( ·𝑠 ‘𝐴)(𝐶 · 𝑏))) |
| 23 | oveq2 7451 | . . . . . 6 ⊢ (𝑥 = (𝑎( ·𝑠 ‘𝐴)𝑏) → (𝐶 · 𝑥) = (𝐶 · (𝑎( ·𝑠 ‘𝐴)𝑏))) | |
| 24 | 3 | ad2antrr 739 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → 𝐴 ∈ LMod) |
| 25 | 8, 18, 20, 19, 24, 15, 17 | lmodvscld 21184 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → (𝑎( ·𝑠 ‘𝐴)𝑏) ∈ 𝐵) |
| 26 | ovexd 7478 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → (𝐶 · (𝑎( ·𝑠 ‘𝐴)𝑏)) ∈ V) | |
| 27 | 4, 23, 25, 26 | fvmptd3 7040 | . . . . 5 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → (𝐹‘(𝑎( ·𝑠 ‘𝐴)𝑏)) = (𝐶 · (𝑎( ·𝑠 ‘𝐴)𝑏))) |
| 28 | oveq2 7451 | . . . . . . 7 ⊢ (𝑥 = 𝑏 → (𝐶 · 𝑥) = (𝐶 · 𝑏)) | |
| 29 | ovexd 7478 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → (𝐶 · 𝑏) ∈ V) | |
| 30 | 4, 28, 17, 29 | fvmptd3 7040 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → (𝐹‘𝑏) = (𝐶 · 𝑏)) |
| 31 | 30 | oveq2d 7459 | . . . . 5 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → (𝑎( ·𝑠 ‘𝐴)(𝐹‘𝑏)) = (𝑎( ·𝑠 ‘𝐴)(𝐶 · 𝑏))) |
| 32 | 22, 27, 31 | 3eqtr4d 2808 | . . . 4 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → (𝐹‘(𝑎( ·𝑠 ‘𝐴)𝑏)) = (𝑎( ·𝑠 ‘𝐴)(𝐹‘𝑏))) |
| 33 | 32 | anasss 472 | . . 3 ⊢ ((𝜑 ∧ (𝑎 ∈ (Base‘(Scalar‘𝐴)) ∧ 𝑏 ∈ 𝐵)) → (𝐹‘(𝑎( ·𝑠 ‘𝐴)𝑏)) = (𝑎( ·𝑠 ‘𝐴)(𝐹‘𝑏))) |
| 34 | 33 | ralrimivva 3209 | . 2 ⊢ (𝜑 → ∀𝑎 ∈ (Base‘(Scalar‘𝐴))∀𝑏 ∈ 𝐵 (𝐹‘(𝑎( ·𝑠 ‘𝐴)𝑏)) = (𝑎( ·𝑠 ‘𝐴)(𝐹‘𝑏))) |
| 35 | 18, 18, 19, 8, 20, 20 | islmhm 21332 | . . 3 ⊢ (𝐹 ∈ (𝐴 LMHom 𝐴) ↔ ((𝐴 ∈ LMod ∧ 𝐴 ∈ LMod) ∧ (𝐹 ∈ (𝐴 GrpHom 𝐴) ∧ (Scalar‘𝐴) = (Scalar‘𝐴) ∧ ∀𝑎 ∈ (Base‘(Scalar‘𝐴))∀𝑏 ∈ 𝐵 (𝐹‘(𝑎( ·𝑠 ‘𝐴)𝑏)) = (𝑎( ·𝑠 ‘𝐴)(𝐹‘𝑏))))) |
| 36 | 35 | biimpri 231 | . 2 ⊢ (((𝐴 ∈ LMod ∧ 𝐴 ∈ LMod) ∧ (𝐹 ∈ (𝐴 GrpHom 𝐴) ∧ (Scalar‘𝐴) = (Scalar‘𝐴) ∧ ∀𝑎 ∈ (Base‘(Scalar‘𝐴))∀𝑏 ∈ 𝐵 (𝐹‘(𝑎( ·𝑠 ‘𝐴)𝑏)) = (𝑎( ·𝑠 ‘𝐴)(𝐹‘𝑏)))) → 𝐹 ∈ (𝐴 LMHom 𝐴)) |
| 37 | 3, 3, 12, 13, 34, 36 | syl23anc 1405 | 1 ⊢ (𝜑 → 𝐹 ∈ (𝐴 LMHom 𝐴)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2147 ∀wral 3080 Vcvv 3454 ↦ cmpt 5189 ‘cfv 6558 (class class class)co 7443 Basecbs 17416 .rcmulr 17458 Scalarcsca 17460 ·𝑠 cvsca 17461 GrpHom cghm 19456 Ringcrg 20489 LModclmod 21165 LMHom clmhm 21324 AssAlgcasa 22188 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 ax-cnex 11283 ax-resscn 11284 ax-1cn 11285 ax-icn 11286 ax-addcl 11287 ax-addrcl 11288 ax-mulcl 11289 ax-mulrcl 11290 ax-mulcom 11291 ax-addass 11292 ax-mulass 11293 ax-distr 11294 ax-i2m1 11295 ax-1ne0 11296 ax-1rid 11297 ax-rnegex 11298 ax-rrecex 11299 ax-cnre 11300 ax-pre-lttri 11301 ax-pre-lttrn 11302 ax-pre-ltadd 11303 ax-pre-mulgt0 11304 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6322 df-ord 6383 df-on 6384 df-lim 6385 df-suc 6386 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-riota 7400 df-ov 7446 df-oprab 7447 df-mpo 7448 df-om 7902 df-1st 8025 df-2nd 8026 df-frecs 8327 df-wrecs 8358 df-recs 8407 df-rdg 8446 df-er 8745 df-map 8877 df-en 9002 df-dom 9003 df-sdom 9004 df-pnf 11372 df-mnf 11373 df-xr 11374 df-ltxr 11375 df-le 11376 df-sub 11570 df-neg 11571 df-nn 12363 df-2 12432 df-sets 17371 df-slot 17389 df-ndx 17401 df-base 17417 df-plusg 17470 df-mgm 18845 df-sgrp 18937 df-mnd 18953 df-grp 19176 df-ghm 19457 df-mgp 20391 df-ring 20491 df-lmod 21167 df-lmhm 21327 df-assa 22191 |
| This theorem is used by: assalactf1o 34337 |
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