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Mirrors > Home > MPE Home > Th. List > Mathboxes > lindslinindimp2lem1 | Structured version Visualization version GIF version |
Description: Lemma 1 for lindslinindsimp2 45692. (Contributed by AV, 25-Apr-2019.) |
Ref | Expression |
---|---|
lindslinind.r | ⊢ 𝑅 = (Scalar‘𝑀) |
lindslinind.b | ⊢ 𝐵 = (Base‘𝑅) |
lindslinind.0 | ⊢ 0 = (0g‘𝑅) |
lindslinind.z | ⊢ 𝑍 = (0g‘𝑀) |
lindslinind.y | ⊢ 𝑌 = ((invg‘𝑅)‘(𝑓‘𝑥)) |
lindslinind.g | ⊢ 𝐺 = (𝑓 ↾ (𝑆 ∖ {𝑥})) |
Ref | Expression |
---|---|
lindslinindimp2lem1 | ⊢ (((𝑆 ∈ 𝑉 ∧ 𝑀 ∈ LMod) ∧ (𝑆 ⊆ (Base‘𝑀) ∧ 𝑥 ∈ 𝑆 ∧ 𝑓 ∈ (𝐵 ↑m 𝑆))) → 𝑌 ∈ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lindslinind.y | . 2 ⊢ 𝑌 = ((invg‘𝑅)‘(𝑓‘𝑥)) | |
2 | lindslinind.r | . . . . 5 ⊢ 𝑅 = (Scalar‘𝑀) | |
3 | 2 | lmodfgrp 20047 | . . . 4 ⊢ (𝑀 ∈ LMod → 𝑅 ∈ Grp) |
4 | 3 | adantl 481 | . . 3 ⊢ ((𝑆 ∈ 𝑉 ∧ 𝑀 ∈ LMod) → 𝑅 ∈ Grp) |
5 | elmapi 8595 | . . . . . 6 ⊢ (𝑓 ∈ (𝐵 ↑m 𝑆) → 𝑓:𝑆⟶𝐵) | |
6 | ffvelrn 6941 | . . . . . . . 8 ⊢ ((𝑓:𝑆⟶𝐵 ∧ 𝑥 ∈ 𝑆) → (𝑓‘𝑥) ∈ 𝐵) | |
7 | 6 | a1d 25 | . . . . . . 7 ⊢ ((𝑓:𝑆⟶𝐵 ∧ 𝑥 ∈ 𝑆) → (𝑆 ⊆ (Base‘𝑀) → (𝑓‘𝑥) ∈ 𝐵)) |
8 | 7 | ex 412 | . . . . . 6 ⊢ (𝑓:𝑆⟶𝐵 → (𝑥 ∈ 𝑆 → (𝑆 ⊆ (Base‘𝑀) → (𝑓‘𝑥) ∈ 𝐵))) |
9 | 5, 8 | syl 17 | . . . . 5 ⊢ (𝑓 ∈ (𝐵 ↑m 𝑆) → (𝑥 ∈ 𝑆 → (𝑆 ⊆ (Base‘𝑀) → (𝑓‘𝑥) ∈ 𝐵))) |
10 | 9 | com13 88 | . . . 4 ⊢ (𝑆 ⊆ (Base‘𝑀) → (𝑥 ∈ 𝑆 → (𝑓 ∈ (𝐵 ↑m 𝑆) → (𝑓‘𝑥) ∈ 𝐵))) |
11 | 10 | 3imp 1109 | . . 3 ⊢ ((𝑆 ⊆ (Base‘𝑀) ∧ 𝑥 ∈ 𝑆 ∧ 𝑓 ∈ (𝐵 ↑m 𝑆)) → (𝑓‘𝑥) ∈ 𝐵) |
12 | lindslinind.b | . . . 4 ⊢ 𝐵 = (Base‘𝑅) | |
13 | eqid 2738 | . . . 4 ⊢ (invg‘𝑅) = (invg‘𝑅) | |
14 | 12, 13 | grpinvcl 18542 | . . 3 ⊢ ((𝑅 ∈ Grp ∧ (𝑓‘𝑥) ∈ 𝐵) → ((invg‘𝑅)‘(𝑓‘𝑥)) ∈ 𝐵) |
15 | 4, 11, 14 | syl2an 595 | . 2 ⊢ (((𝑆 ∈ 𝑉 ∧ 𝑀 ∈ LMod) ∧ (𝑆 ⊆ (Base‘𝑀) ∧ 𝑥 ∈ 𝑆 ∧ 𝑓 ∈ (𝐵 ↑m 𝑆))) → ((invg‘𝑅)‘(𝑓‘𝑥)) ∈ 𝐵) |
16 | 1, 15 | eqeltrid 2843 | 1 ⊢ (((𝑆 ∈ 𝑉 ∧ 𝑀 ∈ LMod) ∧ (𝑆 ⊆ (Base‘𝑀) ∧ 𝑥 ∈ 𝑆 ∧ 𝑓 ∈ (𝐵 ↑m 𝑆))) → 𝑌 ∈ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ∖ cdif 3880 ⊆ wss 3883 {csn 4558 ↾ cres 5582 ⟶wf 6414 ‘cfv 6418 (class class class)co 7255 ↑m cmap 8573 Basecbs 16840 Scalarcsca 16891 0gc0g 17067 Grpcgrp 18492 invgcminusg 18493 LModclmod 20038 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-id 5480 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-1st 7804 df-2nd 7805 df-map 8575 df-0g 17069 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-grp 18495 df-minusg 18496 df-ring 19700 df-lmod 20040 |
This theorem is referenced by: (None) |
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