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| Mirrors > Home > MPE Home > Th. List > cnaddabl | Structured version Visualization version GIF version | ||
| Description: The complex numbers are an Abelian group under addition. This version of cnaddablx 20043 hides the explicit structure indices i.e. is "scaffold-independent". Note that the proof also does not reference explicit structure indices. The actual structure is dependent on how Base and +g is defined. This theorem should not be referenced in any proof. For the group/ring properties of the complex numbers, see cnring 21661. (Contributed by NM, 20-Oct-2012.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| cnaddabl.g | ⊢ 𝐺 = {〈(Base‘ndx), ℂ〉, 〈(+g‘ndx), + 〉} |
| Ref | Expression |
|---|---|
| cnaddabl | ⊢ 𝐺 ∈ Abel |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cnex 11252 | . . . 4 ⊢ ℂ ∈ V | |
| 2 | cnaddabl.g | . . . . 5 ⊢ 𝐺 = {〈(Base‘ndx), ℂ〉, 〈(+g‘ndx), + 〉} | |
| 3 | 2 | grpbase 17421 | . . . 4 ⊢ (ℂ ∈ V → ℂ = (Base‘𝐺)) |
| 4 | 1, 3 | ax-mp 5 | . . 3 ⊢ ℂ = (Base‘𝐺) |
| 5 | addex 13086 | . . . 4 ⊢ + ∈ V | |
| 6 | 2 | grpplusg 17422 | . . . 4 ⊢ ( + ∈ V → + = (+g‘𝐺)) |
| 7 | 5, 6 | ax-mp 5 | . . 3 ⊢ + = (+g‘𝐺) |
| 8 | addcl 11253 | . . 3 ⊢ ((𝑥 ∈ ℂ ∧ 𝑦 ∈ ℂ) → (𝑥 + 𝑦) ∈ ℂ) | |
| 9 | addass 11258 | . . 3 ⊢ ((𝑥 ∈ ℂ ∧ 𝑦 ∈ ℂ ∧ 𝑧 ∈ ℂ) → ((𝑥 + 𝑦) + 𝑧) = (𝑥 + (𝑦 + 𝑧))) | |
| 10 | 0cn 11269 | . . 3 ⊢ 0 ∈ ℂ | |
| 11 | addlid 11464 | . . 3 ⊢ (𝑥 ∈ ℂ → (0 + 𝑥) = 𝑥) | |
| 12 | negcl 11528 | . . 3 ⊢ (𝑥 ∈ ℂ → -𝑥 ∈ ℂ) | |
| 13 | addcom 11467 | . . . . 5 ⊢ ((𝑥 ∈ ℂ ∧ -𝑥 ∈ ℂ) → (𝑥 + -𝑥) = (-𝑥 + 𝑥)) | |
| 14 | 12, 13 | mpdan 700 | . . . 4 ⊢ (𝑥 ∈ ℂ → (𝑥 + -𝑥) = (-𝑥 + 𝑥)) |
| 15 | negid 11576 | . . . 4 ⊢ (𝑥 ∈ ℂ → (𝑥 + -𝑥) = 0) | |
| 16 | 14, 15 | eqtr3d 2797 | . . 3 ⊢ (𝑥 ∈ ℂ → (-𝑥 + 𝑥) = 0) |
| 17 | 4, 7, 8, 9, 10, 11, 12, 16 | isgrpi 19131 | . 2 ⊢ 𝐺 ∈ Grp |
| 18 | addcom 11467 | . 2 ⊢ ((𝑥 ∈ ℂ ∧ 𝑦 ∈ ℂ) → (𝑥 + 𝑦) = (𝑦 + 𝑥)) | |
| 19 | 17, 4, 7, 18 | isabli 19971 | 1 ⊢ 𝐺 ∈ Abel |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2145 Vcvv 3450 {cpr 4585 〈cop 4589 ‘cfv 6527 (class class class)co 7408 ℂcc 11169 0cc0 11171 + caddc 11174 -cneg 11513 ndxcnx 17332 Basecbs 17348 +gcplusg 17389 Abelcabl 19956 |
| 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-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 ax-addf 11250 |
| 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-om 7861 df-1st 7984 df-2nd 7985 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-1o 8454 df-er 8695 df-en 8952 df-dom 8953 df-sdom 8954 df-fin 8955 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-n0 12576 df-z 12663 df-uz 12935 df-fz 13609 df-struct 17286 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-cmn 19957 df-abl 19958 |
| This theorem is used by: cnaddinv 20046 cnaddcom 39949 |
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