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| Mirrors > Home > ILE Home > Th. List > cnfldadd | GIF version | ||
| Description: The addition operation of the field of complex numbers. (Contributed by Stefan O'Rear, 27-Nov-2014.) (Revised by Mario Carneiro, 6-Oct-2015.) (Revised by Thierry Arnoux, 17-Dec-2017.) (Revised by GG, 27-Apr-2025.) |
| Ref | Expression |
|---|---|
| cnfldadd | ⊢ + = (+g‘ℂfld) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-addf 8214 | . . 3 ⊢ + :(ℂ × ℂ)⟶ℂ | |
| 2 | ffn 5489 | . . 3 ⊢ ( + :(ℂ × ℂ)⟶ℂ → + Fn (ℂ × ℂ)) | |
| 3 | fnovim 6140 | . . 3 ⊢ ( + Fn (ℂ × ℂ) → + = (𝑥 ∈ ℂ, 𝑦 ∈ ℂ ↦ (𝑥 + 𝑦))) | |
| 4 | 1, 2, 3 | mp2b 8 | . 2 ⊢ + = (𝑥 ∈ ℂ, 𝑦 ∈ ℂ ↦ (𝑥 + 𝑦)) |
| 5 | mpocnfldadd 14657 | . 2 ⊢ (𝑥 ∈ ℂ, 𝑦 ∈ ℂ ↦ (𝑥 + 𝑦)) = (+g‘ℂfld) | |
| 6 | 4, 5 | eqtri 2252 | 1 ⊢ + = (+g‘ℂfld) |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1398 × cxp 4729 Fn wfn 5328 ⟶wf 5329 ‘cfv 5333 (class class class)co 6028 ∈ cmpo 6030 ℂcc 8090 + caddc 8095 +gcplusg 13240 ℂfldccnfld 14652 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4209 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8183 ax-resscn 8184 ax-1cn 8185 ax-1re 8186 ax-icn 8187 ax-addcl 8188 ax-addrcl 8189 ax-mulcl 8190 ax-mulrcl 8191 ax-addcom 8192 ax-mulcom 8193 ax-addass 8194 ax-mulass 8195 ax-distr 8196 ax-i2m1 8197 ax-0lt1 8198 ax-1rid 8199 ax-0id 8200 ax-rnegex 8201 ax-precex 8202 ax-cnre 8203 ax-pre-ltirr 8204 ax-pre-ltwlin 8205 ax-pre-lttrn 8206 ax-pre-apti 8207 ax-pre-ltadd 8208 ax-pre-mulgt0 8209 ax-addf 8214 |
| This theorem depends on definitions: df-bi 117 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-reu 2518 df-rmo 2519 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-nul 3497 df-pw 3658 df-sn 3679 df-pr 3680 df-tp 3681 df-op 3682 df-uni 3899 df-int 3934 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-f1 5338 df-fo 5339 df-f1o 5340 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-1st 6312 df-2nd 6313 df-pnf 8275 df-mnf 8276 df-xr 8277 df-ltxr 8278 df-le 8279 df-sub 8411 df-neg 8412 df-reap 8814 df-inn 9203 df-2 9261 df-3 9262 df-4 9263 df-5 9264 df-6 9265 df-7 9266 df-8 9267 df-9 9268 df-n0 9462 df-z 9541 df-dec 9673 df-uz 9817 df-rp 9950 df-fz 10306 df-cj 11482 df-abs 11639 df-struct 13164 df-ndx 13165 df-slot 13166 df-base 13168 df-plusg 13253 df-mulr 13254 df-starv 13255 df-tset 13259 df-ple 13260 df-ds 13262 df-unif 13263 df-topgen 13423 df-bl 14642 df-mopn 14643 df-fg 14645 df-metu 14646 df-cnfld 14653 |
| This theorem is referenced by: cncrng 14665 cnfld0 14667 cnfldneg 14669 cnfldplusf 14670 cnfldsub 14671 cnfldmulg 14672 cnsubmlem 14674 cnsubglem 14675 zringplusg 14693 |
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