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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 20943 | . 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 6514 (class class class)co 7390 Scalarcsca 17230 GrpHom cghm 19151 LModclmod 20773 LMHom clmhm 20933 |
| 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 5254 ax-nul 5264 ax-pr 5390 |
| 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 3757 df-dif 3920 df-un 3922 df-in 3924 df-ss 3934 df-nul 4300 df-if 4492 df-pw 4568 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-br 5111 df-opab 5173 df-id 5536 df-xp 5647 df-rel 5648 df-cnv 5649 df-co 5650 df-dm 5651 df-iota 6467 df-fun 6516 df-fv 6522 df-ov 7393 df-oprab 7394 df-mpo 7395 df-lmhm 20936 |
| This theorem is referenced by: islmhm2 20952 lmhmco 20957 lmhmplusg 20958 lmhmvsca 20959 lmhmf1o 20960 lmhmima 20961 lmhmpreima 20962 reslmhm 20966 reslmhm2 20967 reslmhm2b 20968 lmhmlvec 21024 lindfmm 21743 lmhmclm 24994 nmoleub2lem3 25022 nmoleub3 25026 lmhmqusker 33395 lmhmlvec2 33622 |
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