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| Mirrors > Home > MPE Home > Th. List > lmhmsca | Structured version Visualization version GIF version | ||
| Description: A homomorphism of left modules constrains both modules to the same ring of scalars. (Contributed by Stefan O'Rear, 1-Jan-2015.) |
| Ref | Expression |
|---|---|
| lmhmlem.k | ⊢ 𝐾 = (Scalar‘𝑆) |
| lmhmlem.l | ⊢ 𝐿 = (Scalar‘𝑇) |
| Ref | Expression |
|---|---|
| lmhmsca | ⊢ (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝐿 = 𝐾) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lmhmlem.k | . . 3 ⊢ 𝐾 = (Scalar‘𝑆) | |
| 2 | lmhmlem.l | . . 3 ⊢ 𝐿 = (Scalar‘𝑇) | |
| 3 | 1, 2 | lmhmlem 20942 | . 2 ⊢ (𝐹 ∈ (𝑆 LMHom 𝑇) → ((𝑆 ∈ LMod ∧ 𝑇 ∈ LMod) ∧ (𝐹 ∈ (𝑆 GrpHom 𝑇) ∧ 𝐿 = 𝐾))) |
| 4 | 3 | simprrd 773 | 1 ⊢ (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝐿 = 𝐾) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2109 ‘cfv 6513 (class class class)co 7389 Scalarcsca 17229 GrpHom cghm 19150 LModclmod 20772 LMHom clmhm 20932 |
| 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 2702 ax-sep 5253 ax-nul 5263 ax-pr 5389 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2879 df-ne 2927 df-ral 3046 df-rex 3055 df-rab 3409 df-v 3452 df-sbc 3756 df-dif 3919 df-un 3921 df-in 3923 df-ss 3933 df-nul 4299 df-if 4491 df-pw 4567 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5110 df-opab 5172 df-id 5535 df-xp 5646 df-rel 5647 df-cnv 5648 df-co 5649 df-dm 5650 df-iota 6466 df-fun 6515 df-fv 6521 df-ov 7392 df-oprab 7393 df-mpo 7394 df-lmhm 20935 |
| This theorem is referenced by: islmhm2 20951 lmhmco 20956 lmhmplusg 20957 lmhmvsca 20958 lmhmf1o 20959 lmhmima 20960 lmhmpreima 20961 reslmhm 20965 reslmhm2 20966 reslmhm2b 20967 lmhmlvec 21023 lindfmm 21742 lmhmclm 24993 nmoleub2lem3 25021 nmoleub3 25025 lmhmqusker 33394 lmhmlvec2 33621 |
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