| 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 6897 | . 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 2762 | . . . 4 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 6 | eqid 2762 | . . . 4 ⊢ (Base‘𝑊) = (Base‘𝑊) | |
| 7 | lfladdcl.f | . . . 4 ⊢ 𝐹 = (LFnl‘𝑊) | |
| 8 | 4, 5, 6, 7 | lflf 39923 | . . 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 39923 | . . 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 21053 | . . . . 5 ⊢ (𝑊 ∈ LMod → 𝑅 ∈ Ring) |
| 14 | ringabl 20423 | . . . . 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 19927 | . . 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 7718 | 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 3453 ⟶wf 6533 ‘cfv 6537 (class class class)co 7416 ∘f cof 7679 Basecbs 17305 +gcplusg 17346 Scalarcsca 17349 Abelcabl 19909 Ringcrg 20373 LModclmod 21045 LFnlclfn 39917 |
| 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 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 |
| 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 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-of 7681 df-om 7866 df-2nd 7990 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-er 8699 df-map 8831 df-en 8956 df-dom 8957 df-sdom 8958 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-nn 12261 df-2 12330 df-sets 17260 df-slot 17278 df-ndx 17290 df-base 17306 df-plusg 17359 df-0g 17530 df-mgm 18734 df-sgrp 18823 df-mnd 18839 df-grp 19061 df-minusg 19062 df-cmn 19910 df-abl 19911 df-mgp 20275 df-ur 20322 df-ring 20375 df-lmod 21047 df-lfl 39918 |
| This theorem is used by: ldualvaddcom 40000 |
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