| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > lfladdcom | Structured version Visualization version GIF version | ||
| Description: Commutativity of functional addition. (Contributed by NM, 19-Oct-2014.) |
| Ref | Expression |
|---|---|
| lfladdcl.r | ⊢ 𝑅 = (Scalar‘𝑊) |
| lfladdcl.p | ⊢ + = (+g‘𝑅) |
| lfladdcl.f | ⊢ 𝐹 = (LFnl‘𝑊) |
| lfladdcl.w | ⊢ (𝜑 → 𝑊 ∈ LMod) |
| lfladdcl.g | ⊢ (𝜑 → 𝐺 ∈ 𝐹) |
| lfladdcl.h | ⊢ (𝜑 → 𝐻 ∈ 𝐹) |
| Ref | Expression |
|---|---|
| lfladdcom | ⊢ (𝜑 → (𝐺 ∘f + 𝐻) = (𝐻 ∘f + 𝐺)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvexd 6888 | . 2 ⊢ (𝜑 → (Base‘𝑊) ∈ V) | |
| 2 | lfladdcl.w | . . 3 ⊢ (𝜑 → 𝑊 ∈ LMod) | |
| 3 | lfladdcl.g | . . 3 ⊢ (𝜑 → 𝐺 ∈ 𝐹) | |
| 4 | lfladdcl.r | . . . 4 ⊢ 𝑅 = (Scalar‘𝑊) | |
| 5 | eqid 2760 | . . . 4 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 6 | eqid 2760 | . . . 4 ⊢ (Base‘𝑊) = (Base‘𝑊) | |
| 7 | lfladdcl.f | . . . 4 ⊢ 𝐹 = (LFnl‘𝑊) | |
| 8 | 4, 5, 6, 7 | lflf 40040 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹) → 𝐺:(Base‘𝑊)⟶(Base‘𝑅)) |
| 9 | 2, 3, 8 | syl2anc 596 | . 2 ⊢ (𝜑 → 𝐺:(Base‘𝑊)⟶(Base‘𝑅)) |
| 10 | lfladdcl.h | . . 3 ⊢ (𝜑 → 𝐻 ∈ 𝐹) | |
| 11 | 4, 5, 6, 7 | lflf 40040 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝐻 ∈ 𝐹) → 𝐻:(Base‘𝑊)⟶(Base‘𝑅)) |
| 12 | 2, 10, 11 | syl2anc 596 | . 2 ⊢ (𝜑 → 𝐻:(Base‘𝑊)⟶(Base‘𝑅)) |
| 13 | 4 | lmodring 21104 | . . . . 5 ⊢ (𝑊 ∈ LMod → 𝑅 ∈ Ring) |
| 14 | ringabl 20471 | . . . . 5 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Abel) | |
| 15 | 2, 13, 14 | 3syl 19 | . . . 4 ⊢ (𝜑 → 𝑅 ∈ Abel) |
| 16 | 15 | adantr 486 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅))) → 𝑅 ∈ Abel) |
| 17 | simprl 783 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅))) → 𝑥 ∈ (Base‘𝑅)) | |
| 18 | simprr 785 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅))) → 𝑦 ∈ (Base‘𝑅)) | |
| 19 | lfladdcl.p | . . . 4 ⊢ + = (+g‘𝑅) | |
| 20 | 5, 19 | ablcom 19974 | . . 3 ⊢ ((𝑅 ∈ Abel ∧ 𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅)) → (𝑥 + 𝑦) = (𝑦 + 𝑥)) |
| 21 | 16, 17, 18, 20 | syl3anc 1398 | . 2 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅))) → (𝑥 + 𝑦) = (𝑦 + 𝑥)) |
| 22 | 1, 9, 12, 21 | caofcom 7713 | 1 ⊢ (𝜑 → (𝐺 ∘f + 𝐻) = (𝐻 ∘f + 𝐺)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 Vcvv 3450 ⟶wf 6523 ‘cfv 6527 (class class class)co 7408 ∘f cof 7674 Basecbs 17348 +gcplusg 17389 Scalarcsca 17392 Abelcabl 19956 Ringcrg 20420 LModclmod 21096 LFnlclfn 40034 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 ax-cnex 11227 ax-resscn 11228 ax-1cn 11229 ax-icn 11230 ax-addcl 11231 ax-addrcl 11232 ax-mulcl 11233 ax-mulrcl 11234 ax-mulcom 11235 ax-addass 11236 ax-mulass 11237 ax-distr 11238 ax-i2m1 11239 ax-1ne0 11240 ax-1rid 11241 ax-rnegex 11242 ax-rrecex 11243 ax-cnre 11244 ax-pre-lttri 11245 ax-pre-lttrn 11246 ax-pre-ltadd 11247 ax-pre-mulgt0 11248 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6293 df-ord 6354 df-on 6355 df-lim 6356 df-suc 6357 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-of 7676 df-om 7861 df-2nd 7985 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-er 8695 df-map 8827 df-en 8952 df-dom 8953 df-sdom 8954 df-pnf 11316 df-mnf 11317 df-xr 11318 df-ltxr 11319 df-le 11320 df-sub 11514 df-neg 11515 df-nn 12305 df-2 12374 df-sets 17303 df-slot 17321 df-ndx 17333 df-base 17349 df-plusg 17402 df-0g 17573 df-mgm 18777 df-sgrp 18869 df-mnd 18885 df-grp 19108 df-minusg 19109 df-cmn 19957 df-abl 19958 df-mgp 20322 df-ur 20369 df-ring 20422 df-lmod 21098 df-lfl 40035 |
| This theorem is used by: ldualvaddcom 40117 |
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