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| Mirrors > Home > MPE Home > Th. List > Mathboxes > lmod0vsd | Structured version Visualization version GIF version | ||
| Description: Zero times a vector is the zero vector. (Contributed by SN, 24-Sep-2026.) |
| Ref | Expression |
|---|---|
| lmod0vsd.v | ⊢ 𝑉 = (Base‘𝑊) |
| lmod0vsd.f | ⊢ 𝐹 = (Scalar‘𝑊) |
| lmod0vsd.s | ⊢ · = ( ·𝑠 ‘𝑊) |
| lmod0vsd.o | ⊢ 𝑂 = (0g‘𝐹) |
| lmod0vsd.z | ⊢ 0 = (0g‘𝑊) |
| lmod0vsd.w | ⊢ (𝜑 → 𝑊 ∈ LMod) |
| lmod0vsd.x | ⊢ (𝜑 → 𝑋 ∈ 𝑉) |
| Ref | Expression |
|---|---|
| lmod0vsd | ⊢ (𝜑 → (𝑂 · 𝑋) = 0 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lmod0vsd.w | . 2 ⊢ (𝜑 → 𝑊 ∈ LMod) | |
| 2 | lmod0vsd.x | . 2 ⊢ (𝜑 → 𝑋 ∈ 𝑉) | |
| 3 | lmod0vsd.v | . . 3 ⊢ 𝑉 = (Base‘𝑊) | |
| 4 | lmod0vsd.f | . . 3 ⊢ 𝐹 = (Scalar‘𝑊) | |
| 5 | lmod0vsd.s | . . 3 ⊢ · = ( ·𝑠 ‘𝑊) | |
| 6 | lmod0vsd.o | . . 3 ⊢ 𝑂 = (0g‘𝐹) | |
| 7 | lmod0vsd.z | . . 3 ⊢ 0 = (0g‘𝑊) | |
| 8 | 3, 4, 5, 6, 7 | lmod0vs 21221 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → (𝑂 · 𝑋) = 0 ) |
| 9 | 1, 2, 8 | syl2anc 596 | 1 ⊢ (𝜑 → (𝑂 · 𝑋) = 0 ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2147 ‘cfv 6566 (class class class)co 7451 Basecbs 17431 Scalarcsca 17475 ·𝑠 cvsca 17476 0gc0g 17660 LModclmod 21186 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pr 5398 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-iota 6520 df-fun 6568 df-fv 6574 df-riota 7408 df-ov 7454 df-0g 17662 df-mgm 18866 df-sgrp 18958 df-mnd 18974 df-grp 19197 df-ring 20512 df-lmod 21188 |
| This theorem is used by: (None) |
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