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| Mirrors > Home > MPE Home > Th. List > Mathboxes > lindslinindimp2lem3 | Structured version Visualization version GIF version | ||
| Description: Lemma 3 for lindslinindsimp2 48381. (Contributed by AV, 25-Apr-2019.) (Revised by AV, 30-Jul-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 |
|---|---|
| lindslinindimp2lem3 | ⊢ (((𝑆 ∈ 𝑉 ∧ 𝑀 ∈ LMod) ∧ (𝑆 ⊆ (Base‘𝑀) ∧ 𝑥 ∈ 𝑆) ∧ (𝑓 ∈ (𝐵 ↑m 𝑆) ∧ 𝑓 finSupp 0 )) → 𝐺 finSupp 0 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lindslinind.g | . 2 ⊢ 𝐺 = (𝑓 ↾ (𝑆 ∖ {𝑥})) | |
| 2 | simp3r 1203 | . . 3 ⊢ (((𝑆 ∈ 𝑉 ∧ 𝑀 ∈ LMod) ∧ (𝑆 ⊆ (Base‘𝑀) ∧ 𝑥 ∈ 𝑆) ∧ (𝑓 ∈ (𝐵 ↑m 𝑆) ∧ 𝑓 finSupp 0 )) → 𝑓 finSupp 0 ) | |
| 3 | lindslinind.0 | . . . . 5 ⊢ 0 = (0g‘𝑅) | |
| 4 | 3 | fvexi 6879 | . . . 4 ⊢ 0 ∈ V |
| 5 | 4 | a1i 11 | . . 3 ⊢ (((𝑆 ∈ 𝑉 ∧ 𝑀 ∈ LMod) ∧ (𝑆 ⊆ (Base‘𝑀) ∧ 𝑥 ∈ 𝑆) ∧ (𝑓 ∈ (𝐵 ↑m 𝑆) ∧ 𝑓 finSupp 0 )) → 0 ∈ V) |
| 6 | 2, 5 | fsuppres 9362 | . 2 ⊢ (((𝑆 ∈ 𝑉 ∧ 𝑀 ∈ LMod) ∧ (𝑆 ⊆ (Base‘𝑀) ∧ 𝑥 ∈ 𝑆) ∧ (𝑓 ∈ (𝐵 ↑m 𝑆) ∧ 𝑓 finSupp 0 )) → (𝑓 ↾ (𝑆 ∖ {𝑥})) finSupp 0 ) |
| 7 | 1, 6 | eqbrtrid 5150 | 1 ⊢ (((𝑆 ∈ 𝑉 ∧ 𝑀 ∈ LMod) ∧ (𝑆 ⊆ (Base‘𝑀) ∧ 𝑥 ∈ 𝑆) ∧ (𝑓 ∈ (𝐵 ↑m 𝑆) ∧ 𝑓 finSupp 0 )) → 𝐺 finSupp 0 ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1540 ∈ wcel 2109 Vcvv 3455 ∖ cdif 3919 ⊆ wss 3922 {csn 4597 class class class wbr 5115 ↾ cres 5648 ‘cfv 6519 (class class class)co 7394 ↑m cmap 8803 finSupp cfsupp 9330 Basecbs 17185 Scalarcsca 17229 0gc0g 17408 invgcminusg 18872 LModclmod 20772 |
| 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 5259 ax-nul 5269 ax-pr 5395 ax-un 7718 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 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 2880 df-ne 2928 df-ral 3047 df-rex 3056 df-reu 3358 df-rab 3412 df-v 3457 df-sbc 3762 df-dif 3925 df-un 3927 df-in 3929 df-ss 3939 df-pss 3942 df-nul 4305 df-if 4497 df-pw 4573 df-sn 4598 df-pr 4600 df-op 4604 df-uni 4880 df-br 5116 df-opab 5178 df-tr 5223 df-id 5541 df-eprel 5546 df-po 5554 df-so 5555 df-fr 5599 df-we 5601 df-xp 5652 df-rel 5653 df-cnv 5654 df-co 5655 df-dm 5656 df-rn 5657 df-res 5658 df-ima 5659 df-ord 6343 df-on 6344 df-lim 6345 df-suc 6346 df-iota 6472 df-fun 6521 df-fn 6522 df-f 6523 df-f1 6524 df-fo 6525 df-f1o 6526 df-fv 6527 df-ov 7397 df-oprab 7398 df-mpo 7399 df-om 7851 df-supp 8149 df-1o 8443 df-en 8923 df-fin 8926 df-fsupp 9331 |
| This theorem is referenced by: lindslinindimp2lem4 48379 |
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