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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 21019 | . 2 ⊢ (𝐹 ∈ (𝑆 LMHom 𝑇) → ((𝑆 ∈ LMod ∧ 𝑇 ∈ LMod) ∧ (𝐹 ∈ (𝑆 GrpHom 𝑇) ∧ 𝐿 = 𝐾))) |
| 4 | 3 | simprrd 774 | 1 ⊢ (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝐿 = 𝐾) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ‘cfv 6493 (class class class)co 7361 Scalarcsca 17217 GrpHom cghm 19181 LModclmod 20849 LMHom clmhm 21009 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pr 5371 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-sbc 3730 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-iota 6449 df-fun 6495 df-fv 6501 df-ov 7364 df-oprab 7365 df-mpo 7366 df-lmhm 21012 |
| This theorem is referenced by: islmhm2 21028 lmhmco 21033 lmhmplusg 21034 lmhmvsca 21035 lmhmf1o 21036 lmhmima 21037 lmhmpreima 21038 reslmhm 21042 reslmhm2 21043 reslmhm2b 21044 lmhmlvec 21100 lindfmm 21820 lmhmclm 25067 nmoleub2lem3 25095 nmoleub3 25099 lmhmqusker 33495 lmhmlvec2 33782 |
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