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| Mirrors > Home > ILE Home > Th. List > axicn | GIF version | ||
| Description: i is a complex number. Axiom for real and complex numbers, derived from set theory. This construction-dependent theorem should not be referenced directly; instead, use ax-icn 8221. (Contributed by NM, 23-Feb-1996.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| axicn | ⊢ i ∈ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0r 8064 | . 2 ⊢ 0R ∈ R | |
| 2 | 1sr 8065 | . 2 ⊢ 1R ∈ R | |
| 3 | df-i 8135 | . . . 4 ⊢ i = 〈0R, 1R〉 | |
| 4 | 3 | eleq1i 2298 | . . 3 ⊢ (i ∈ ℂ ↔ 〈0R, 1R〉 ∈ ℂ) |
| 5 | opelcn 8140 | . . 3 ⊢ (〈0R, 1R〉 ∈ ℂ ↔ (0R ∈ R ∧ 1R ∈ R)) | |
| 6 | 4, 5 | bitri 184 | . 2 ⊢ (i ∈ ℂ ↔ (0R ∈ R ∧ 1R ∈ R)) |
| 7 | 1, 2, 6 | mpbir2an 951 | 1 ⊢ i ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∧ wa 104 ∈ wcel 2203 〈cop 3691 Rcnr 7611 0Rc0r 7612 1Rc1r 7613 ℂcc 8124 ici 8128 |
| 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 2205 ax-14 2206 ax-ext 2214 ax-coll 4224 ax-sep 4227 ax-nul 4235 ax-pow 4286 ax-pr 4321 ax-un 4553 ax-setind 4658 ax-iinf 4709 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-ral 2525 df-rex 2526 df-reu 2527 df-rab 2529 df-v 2814 df-sbc 3042 df-csb 3138 df-dif 3212 df-un 3214 df-in 3216 df-ss 3223 df-nul 3508 df-pw 3670 df-sn 3694 df-pr 3695 df-op 3697 df-uni 3914 df-int 3949 df-iun 3992 df-br 4109 df-opab 4171 df-mpt 4172 df-tr 4208 df-eprel 4409 df-id 4413 df-po 4416 df-iso 4417 df-iord 4486 df-on 4488 df-suc 4491 df-iom 4712 df-xp 4754 df-rel 4755 df-cnv 4756 df-co 4757 df-dm 4758 df-rn 4759 df-res 4760 df-ima 4761 df-iota 5311 df-fun 5353 df-fn 5354 df-f 5355 df-f1 5356 df-fo 5357 df-f1o 5358 df-fv 5359 df-ov 6052 df-oprab 6053 df-mpo 6054 df-1st 6333 df-2nd 6334 df-recs 6535 df-irdg 6600 df-1o 6646 df-2o 6647 df-oadd 6650 df-omul 6651 df-er 6766 df-ec 6768 df-qs 6772 df-ni 7618 df-pli 7619 df-mi 7620 df-lti 7621 df-plpq 7658 df-mpq 7659 df-enq 7661 df-nqqs 7662 df-plqqs 7663 df-mqqs 7664 df-1nqqs 7665 df-rq 7666 df-ltnqqs 7667 df-enq0 7738 df-nq0 7739 df-0nq0 7740 df-plq0 7741 df-mq0 7742 df-inp 7780 df-i1p 7781 df-iplp 7782 df-enr 8040 df-nr 8041 df-0r 8045 df-1r 8046 df-c 8132 df-i 8135 |
| This theorem is referenced by: (None) |
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