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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 8121 | . . 3 ⊢ + :(ℂ × ℂ)⟶ℂ | |
| 2 | ffn 5473 | . . 3 ⊢ ( + :(ℂ × ℂ)⟶ℂ → + Fn (ℂ × ℂ)) | |
| 3 | fnovim 6113 | . . 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 14525 | . 2 ⊢ (𝑥 ∈ ℂ, 𝑦 ∈ ℂ ↦ (𝑥 + 𝑦)) = (+g‘ℂfld) | |
| 6 | 4, 5 | eqtri 2250 | 1 ⊢ + = (+g‘ℂfld) |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1395 × cxp 4717 Fn wfn 5313 ⟶wf 5314 ‘cfv 5318 (class class class)co 6001 ∈ cmpo 6003 ℂcc 7997 + caddc 8002 +gcplusg 13110 ℂfldccnfld 14520 |
| 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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4199 ax-sep 4202 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-cnex 8090 ax-resscn 8091 ax-1cn 8092 ax-1re 8093 ax-icn 8094 ax-addcl 8095 ax-addrcl 8096 ax-mulcl 8097 ax-mulrcl 8098 ax-addcom 8099 ax-mulcom 8100 ax-addass 8101 ax-mulass 8102 ax-distr 8103 ax-i2m1 8104 ax-0lt1 8105 ax-1rid 8106 ax-0id 8107 ax-rnegex 8108 ax-precex 8109 ax-cnre 8110 ax-pre-ltirr 8111 ax-pre-ltwlin 8112 ax-pre-lttrn 8113 ax-pre-apti 8114 ax-pre-ltadd 8115 ax-pre-mulgt0 8116 ax-addf 8121 |
| This theorem depends on definitions: df-bi 117 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-reu 2515 df-rmo 2516 df-rab 2517 df-v 2801 df-sbc 3029 df-csb 3125 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-nul 3492 df-pw 3651 df-sn 3672 df-pr 3673 df-tp 3674 df-op 3675 df-uni 3889 df-int 3924 df-iun 3967 df-br 4084 df-opab 4146 df-mpt 4147 df-id 4384 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-rn 4730 df-res 4731 df-ima 4732 df-iota 5278 df-fun 5320 df-fn 5321 df-f 5322 df-f1 5323 df-fo 5324 df-f1o 5325 df-fv 5326 df-riota 5954 df-ov 6004 df-oprab 6005 df-mpo 6006 df-1st 6286 df-2nd 6287 df-pnf 8183 df-mnf 8184 df-xr 8185 df-ltxr 8186 df-le 8187 df-sub 8319 df-neg 8320 df-reap 8722 df-inn 9111 df-2 9169 df-3 9170 df-4 9171 df-5 9172 df-6 9173 df-7 9174 df-8 9175 df-9 9176 df-n0 9370 df-z 9447 df-dec 9579 df-uz 9723 df-rp 9850 df-fz 10205 df-cj 11353 df-abs 11510 df-struct 13034 df-ndx 13035 df-slot 13036 df-base 13038 df-plusg 13123 df-mulr 13124 df-starv 13125 df-tset 13129 df-ple 13130 df-ds 13132 df-unif 13133 df-topgen 13293 df-bl 14510 df-mopn 14511 df-fg 14513 df-metu 14514 df-cnfld 14521 |
| This theorem is referenced by: cncrng 14533 cnfld0 14535 cnfldneg 14537 cnfldplusf 14538 cnfldsub 14539 cnfldmulg 14540 cnsubmlem 14542 cnsubglem 14543 zringplusg 14561 |
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