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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 33467 | . . 3 ⊢ (𝑊 ∈ SLMod → 𝐹 ∈ SRing) |
| 3 | srgmnd 20271 | . . 3 ⊢ (𝐹 ∈ SRing → 𝐹 ∈ Mnd) | |
| 4 | 2, 3 | syl 18 | . 2 ⊢ (𝑊 ∈ SLMod → 𝐹 ∈ Mnd) |
| 5 | slmdacl.k | . . 3 ⊢ 𝐾 = (Base‘𝐹) | |
| 6 | slmdacl.p | . . 3 ⊢ + = (+g‘𝐹) | |
| 7 | 5, 6 | mndcl 18799 | . 2 ⊢ ((𝐹 ∈ Mnd ∧ 𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐾) → (𝑋 + 𝑌) ∈ 𝐾) |
| 8 | 4, 7 | syl3an1 1179 | 1 ⊢ ((𝑊 ∈ SLMod ∧ 𝑋 ∈ 𝐾 ∧ 𝑌 ∈ 𝐾) → (𝑋 + 𝑌) ∈ 𝐾) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1101 = wceq 1567 ∈ wcel 2149 ‘cfv 6537 (class class class)co 7411 Basecbs 17268 +gcplusg 17309 Scalarcsca 17312 Mndcmnd 18791 SRingcsrg 20267 SLModcslmd 33460 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 ax-nul 5271 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-sbc 3754 df-dif 3916 df-un 3918 df-ss 3930 df-nul 4295 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-iota 6493 df-fv 6545 df-ov 7414 df-mgm 18697 df-sgrp 18776 df-mnd 18792 df-cmn 19851 df-srg 20268 df-slmd 33461 |
| This theorem is referenced by: (None) |
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