| Mathbox for Thierry Arnoux |
< Previous
Next >
Nearby theorems |
||
| 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 20460. (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 22081 | . . 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 22082 | . . . . 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 20460 | . . . 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 2866 | . 2 ⊢ (𝜑 → 𝐹 ∈ (𝐴 GrpHom 𝐴)) |
| 13 | eqidd 2763 | . 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 2762 | . . . . . . 7 ⊢ (Scalar‘𝐴) = (Scalar‘𝐴) | |
| 19 | eqid 2762 | . . . . . . 7 ⊢ (Base‘(Scalar‘𝐴)) = (Base‘(Scalar‘𝐴)) | |
| 20 | eqid 2762 | . . . . . . 7 ⊢ ( ·𝑠 ‘𝐴) = ( ·𝑠 ‘𝐴) | |
| 21 | 8, 18, 19, 20, 9 | assaassr 22080 | . . . . . 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 1399 | . . . . 5 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → (𝐶 · (𝑎( ·𝑠 ‘𝐴)𝑏)) = (𝑎( ·𝑠 ‘𝐴)(𝐶 · 𝑏))) |
| 23 | oveq2 7425 | . . . . . 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 21069 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → (𝑎( ·𝑠 ‘𝐴)𝑏) ∈ 𝐵) |
| 26 | ovexd 7452 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → (𝐶 · (𝑎( ·𝑠 ‘𝐴)𝑏)) ∈ V) | |
| 27 | 4, 23, 25, 26 | fvmptd3 7014 | . . . . 5 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → (𝐹‘(𝑎( ·𝑠 ‘𝐴)𝑏)) = (𝐶 · (𝑎( ·𝑠 ‘𝐴)𝑏))) |
| 28 | oveq2 7425 | . . . . . . 7 ⊢ (𝑥 = 𝑏 → (𝐶 · 𝑥) = (𝐶 · 𝑏)) | |
| 29 | ovexd 7452 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → (𝐶 · 𝑏) ∈ V) | |
| 30 | 4, 28, 17, 29 | fvmptd3 7014 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → (𝐹‘𝑏) = (𝐶 · 𝑏)) |
| 31 | 30 | oveq2d 7433 | . . . . 5 ⊢ (((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝐴))) ∧ 𝑏 ∈ 𝐵) → (𝑎( ·𝑠 ‘𝐴)(𝐹‘𝑏)) = (𝑎( ·𝑠 ‘𝐴)(𝐶 · 𝑏))) |
| 32 | 22, 27, 31 | 3eqtr4d 2807 | . . . 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 3207 | . 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 21217 | . . 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 1404 | 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 2145 ∀wral 3078 Vcvv 3453 ↦ cmpt 5190 ‘cfv 6537 (class class class)co 7417 Basecbs 17307 .rcmulr 17349 Scalarcsca 17351 ·𝑠 cvsca 17352 GrpHom cghm 19346 Ringcrg 20378 LModclmod 21050 LMHom clmhm 21209 AssAlgcasa 22071 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 ax-cnex 11184 ax-resscn 11185 ax-1cn 11186 ax-icn 11187 ax-addcl 11188 ax-addrcl 11189 ax-mulcl 11190 ax-mulrcl 11191 ax-mulcom 11192 ax-addass 11193 ax-mulass 11194 ax-distr 11195 ax-i2m1 11196 ax-1ne0 11197 ax-1rid 11198 ax-rnegex 11199 ax-rrecex 11200 ax-cnre 11201 ax-pre-lttri 11202 ax-pre-lttrn 11203 ax-pre-ltadd 11204 ax-pre-mulgt0 11205 |
| 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 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 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 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7374 df-ov 7420 df-oprab 7421 df-mpo 7422 df-om 7867 df-1st 7990 df-2nd 7991 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-er 8700 df-map 8832 df-en 8957 df-dom 8958 df-sdom 8959 df-pnf 11273 df-mnf 11274 df-xr 11275 df-ltxr 11276 df-le 11277 df-sub 11471 df-neg 11472 df-nn 12262 df-2 12331 df-sets 17262 df-slot 17280 df-ndx 17292 df-base 17308 df-plusg 17361 df-mgm 18736 df-sgrp 18827 df-mnd 18843 df-grp 19066 df-ghm 19347 df-mgp 20280 df-ring 20380 df-lmod 21052 df-lmhm 21212 df-assa 22074 |
| This theorem is used by: assalactf1o 34153 |
| Copyright terms: Public domain | W3C validator |