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| Mirrors > Home > ILE Home > Th. List > lcomf | GIF version | ||
| Description: A linear-combination sum is a function. (Contributed by Stefan O'Rear, 28-Feb-2015.) |
| Ref | Expression |
|---|---|
| lcomf.f | ⊢ 𝐹 = (Scalar‘𝑊) |
| lcomf.k | ⊢ 𝐾 = (Base‘𝐹) |
| lcomf.s | ⊢ · = ( ·𝑠 ‘𝑊) |
| lcomf.b | ⊢ 𝐵 = (Base‘𝑊) |
| lcomf.w | ⊢ (𝜑 → 𝑊 ∈ LMod) |
| lcomf.g | ⊢ (𝜑 → 𝐺:𝐼⟶𝐾) |
| lcomf.h | ⊢ (𝜑 → 𝐻:𝐼⟶𝐵) |
| lcomf.i | ⊢ (𝜑 → 𝐼 ∈ 𝑉) |
| Ref | Expression |
|---|---|
| lcomf | ⊢ (𝜑 → (𝐺 ∘𝑓 · 𝐻):𝐼⟶𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lcomf.w | . . 3 ⊢ (𝜑 → 𝑊 ∈ LMod) | |
| 2 | lcomf.b | . . . . 5 ⊢ 𝐵 = (Base‘𝑊) | |
| 3 | lcomf.f | . . . . 5 ⊢ 𝐹 = (Scalar‘𝑊) | |
| 4 | lcomf.s | . . . . 5 ⊢ · = ( ·𝑠 ‘𝑊) | |
| 5 | lcomf.k | . . . . 5 ⊢ 𝐾 = (Base‘𝐹) | |
| 6 | 2, 3, 4, 5 | lmodvscl 14381 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑥 ∈ 𝐾 ∧ 𝑦 ∈ 𝐵) → (𝑥 · 𝑦) ∈ 𝐵) |
| 7 | 6 | 3expb 1231 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ (𝑥 ∈ 𝐾 ∧ 𝑦 ∈ 𝐵)) → (𝑥 · 𝑦) ∈ 𝐵) |
| 8 | 1, 7 | sylan 283 | . 2 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐾 ∧ 𝑦 ∈ 𝐵)) → (𝑥 · 𝑦) ∈ 𝐵) |
| 9 | lcomf.g | . 2 ⊢ (𝜑 → 𝐺:𝐼⟶𝐾) | |
| 10 | lcomf.h | . 2 ⊢ (𝜑 → 𝐻:𝐼⟶𝐵) | |
| 11 | lcomf.i | . 2 ⊢ (𝜑 → 𝐼 ∈ 𝑉) | |
| 12 | inidm 3418 | . 2 ⊢ (𝐼 ∩ 𝐼) = 𝐼 | |
| 13 | 8, 9, 10, 11, 11, 12 | off 6257 | 1 ⊢ (𝜑 → (𝐺 ∘𝑓 · 𝐻):𝐼⟶𝐵) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1398 ∈ wcel 2202 ⟶wf 5329 ‘cfv 5333 (class class class)co 6028 ∘𝑓 cof 6242 Basecbs 13143 Scalarcsca 13224 ·𝑠 cvsca 13225 LModclmod 14363 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4209 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8166 ax-resscn 8167 ax-1re 8169 ax-addrcl 8172 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-ral 2516 df-rex 2517 df-reu 2518 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-f1 5338 df-fo 5339 df-f1o 5340 df-fv 5341 df-ov 6031 df-oprab 6032 df-mpo 6033 df-of 6244 df-inn 9187 df-2 9245 df-3 9246 df-4 9247 df-5 9248 df-6 9249 df-ndx 13146 df-slot 13147 df-base 13149 df-plusg 13234 df-mulr 13235 df-sca 13237 df-vsca 13238 df-lmod 14365 |
| This theorem is referenced by: (None) |
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