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| Mirrors > Home > MPE Home > Th. List > Mathboxes > slmdacl | Structured version Visualization version GIF version | ||
| Description: Closure of ring addition for a semimodule. (Contributed by Thierry Arnoux, 1-Apr-2018.) |
| Ref | Expression |
|---|---|
| slmdacl.f | ⊢ 𝐹 = (Scalar‘𝑊) |
| slmdacl.k | ⊢ 𝐾 = (Base‘𝐹) |
| slmdacl.p | ⊢ + = (+g‘𝐹) |
| Ref | Expression |
|---|---|
| slmdacl | ⊢ ((𝑊 ∈ SLMod ∧ 𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐾) → (𝑋 + 𝑌) ∈ 𝐾) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | slmdacl.f | . . . 4 ⊢ 𝐹 = (Scalar‘𝑊) | |
| 2 | 1 | slmdsrg 33290 | . . 3 ⊢ (𝑊 ∈ SLMod → 𝐹 ∈ SRing) |
| 3 | srgmnd 20165 | . . 3 ⊢ (𝐹 ∈ SRing → 𝐹 ∈ Mnd) | |
| 4 | 2, 3 | syl 17 | . 2 ⊢ (𝑊 ∈ SLMod → 𝐹 ∈ Mnd) |
| 5 | slmdacl.k | . . 3 ⊢ 𝐾 = (Base‘𝐹) | |
| 6 | slmdacl.p | . . 3 ⊢ + = (+g‘𝐹) | |
| 7 | 5, 6 | mndcl 18705 | . 2 ⊢ ((𝐹 ∈ Mnd ∧ 𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐾) → (𝑋 + 𝑌) ∈ 𝐾) |
| 8 | 4, 7 | syl3an1 1170 | 1 ⊢ ((𝑊 ∈ SLMod ∧ 𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐾) → (𝑋 + 𝑌) ∈ 𝐾) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1093 = wceq 1548 ∈ wcel 2121 ‘cfv 6488 (class class class)co 7359 Basecbs 17174 +gcplusg 17215 Scalarcsca 17218 Mndcmnd 18697 SRingcsrg 20161 SLModcslmd 33283 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-ext 2713 ax-nul 5230 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-sb 2075 df-clab 2720 df-cleq 2733 df-clel 2816 df-ne 2937 df-ral 3056 df-rex 3066 df-rab 3394 df-v 3435 df-sbc 3725 df-dif 3887 df-un 3889 df-ss 3901 df-nul 4264 df-if 4457 df-sn 4558 df-pr 4560 df-op 4564 df-uni 4841 df-br 5075 df-iota 6444 df-fv 6496 df-ov 7362 df-mgm 18603 df-sgrp 18682 df-mnd 18698 df-cmn 19751 df-srg 20162 df-slmd 33284 |
| This theorem is referenced by: (None) |
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