| Mathbox for Alexander van der Vekens |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > lindslinindimp2lem3 | Structured version Visualization version GIF version | ||
| Description: Lemma 3 for lindslinindsimp2 48951. (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 1204 | . . 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 6848 | . . . 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 9299 | . 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 5121 | 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 1087 = wceq 1542 ∈ wcel 2114 Vcvv 3430 ∖ cdif 3887 ⊆ wss 3890 {csn 4568 class class class wbr 5086 ↾ cres 5626 ‘cfv 6492 (class class class)co 7360 ↑m cmap 8766 finSupp cfsupp 9267 Basecbs 17170 Scalarcsca 17214 0gc0g 17393 invgcminusg 18901 LModclmod 20846 |
| 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 5231 ax-nul 5241 ax-pr 5370 ax-un 7682 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 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-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 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-tr 5194 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-ov 7363 df-oprab 7364 df-mpo 7365 df-om 7811 df-supp 8104 df-1o 8398 df-en 8887 df-fin 8890 df-fsupp 9268 |
| This theorem is referenced by: lindslinindimp2lem4 48949 |
| Copyright terms: Public domain | W3C validator |