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| Mirrors > Home > MPE Home > Th. List > Mathboxes > slmdass | Structured version Visualization version GIF version | ||
| Description: Semiring left module vector sum is associative. (Contributed by NM, 10-Jan-2014.) (Revised by Mario Carneiro, 19-Jun-2014.) (Revised by Thierry Arnoux, 1-Apr-2018.) |
| Ref | Expression |
|---|---|
| slmdvacl.v | ⊢ 𝑉 = (Base‘𝑊) |
| slmdvacl.a | ⊢ + = (+g‘𝑊) |
| Ref | Expression |
|---|---|
| slmdass | ⊢ ((𝑊 ∈ SLMod ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉 ∧ 𝑍 ∈ 𝑉)) → ((𝑋 + 𝑌) + 𝑍) = (𝑋 + (𝑌 + 𝑍))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | slmdmnd 33535 | . 2 ⊢ (𝑊 ∈ SLMod → 𝑊 ∈ Mnd) | |
| 2 | slmdvacl.v | . . 3 ⊢ 𝑉 = (Base‘𝑊) | |
| 3 | slmdvacl.a | . . 3 ⊢ + = (+g‘𝑊) | |
| 4 | 2, 3 | mndass 18807 | . 2 ⊢ ((𝑊 ∈ Mnd ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉 ∧ 𝑍 ∈ 𝑉)) → ((𝑋 + 𝑌) + 𝑍) = (𝑋 + (𝑌 + 𝑍))) |
| 5 | 1, 4 | sylan 591 | 1 ⊢ ((𝑊 ∈ SLMod ∧ (𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉 ∧ 𝑍 ∈ 𝑉)) → ((𝑋 + 𝑌) + 𝑍) = (𝑋 + (𝑌 + 𝑍))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 400 ∧ w3a 1102 = wceq 1569 ∈ wcel 2142 ‘cfv 6536 (class class class)co 7412 Basecbs 17275 +gcplusg 17316 Mndcmnd 18798 SLModcslmd 33529 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-ext 2734 ax-nul 5268 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-sb 2096 df-clab 2741 df-cleq 2754 df-clel 2837 df-ne 2958 df-ral 3079 df-rex 3089 df-rab 3416 df-v 3456 df-sbc 3744 df-dif 3907 df-un 3909 df-ss 3921 df-nul 4286 df-if 4487 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-br 5109 df-iota 6492 df-fv 6544 df-ov 7415 df-sgrp 18783 df-mnd 18799 df-cmn 19858 df-slmd 33530 |
| This theorem is used by: (None) |
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