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| Mirrors > Home > MPE Home > Th. List > wuncn | Structured version Visualization version GIF version | ||
| Description: A weak universe containing ω contains the complex number construction. This theorem is construction-dependent in the literal sense, but will also be satisfied by any other reasonable implementation of the complex numbers. (Contributed by Mario Carneiro, 2-Jan-2017.) |
| Ref | Expression |
|---|---|
| wuncn.1 | ⊢ (𝜑 → 𝑈 ∈ WUni) |
| wuncn.2 | ⊢ (𝜑 → ω ∈ 𝑈) |
| Ref | Expression |
|---|---|
| wuncn | ⊢ (𝜑 → ℂ ∈ 𝑈) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-c 11130 | . 2 ⊢ ℂ = (R × R) | |
| 2 | wuncn.1 | . . 3 ⊢ (𝜑 → 𝑈 ∈ WUni) | |
| 3 | df-nr 11065 | . . . 4 ⊢ R = ((P × P) / ~R ) | |
| 4 | df-ni 10881 | . . . . . . . . . . . 12 ⊢ N = (ω ∖ {∅}) | |
| 5 | wuncn.2 | . . . . . . . . . . . . 13 ⊢ (𝜑 → ω ∈ 𝑈) | |
| 6 | 2, 5 | wundif 10723 | . . . . . . . . . . . 12 ⊢ (𝜑 → (ω ∖ {∅}) ∈ 𝑈) |
| 7 | 4, 6 | eqeltrid 2864 | . . . . . . . . . . 11 ⊢ (𝜑 → N ∈ 𝑈) |
| 8 | 2, 7, 7 | wunxp 10733 | . . . . . . . . . 10 ⊢ (𝜑 → (N × N) ∈ 𝑈) |
| 9 | elpqn 10934 | . . . . . . . . . . . 12 ⊢ (𝑥 ∈ Q → 𝑥 ∈ (N × N)) | |
| 10 | 9 | ssriv 3935 | . . . . . . . . . . 11 ⊢ Q ⊆ (N × N) |
| 11 | 10 | a1i 11 | . . . . . . . . . 10 ⊢ (𝜑 → Q ⊆ (N × N)) |
| 12 | 2, 8, 11 | wunss 10721 | . . . . . . . . 9 ⊢ (𝜑 → Q ∈ 𝑈) |
| 13 | 2, 12 | wunpw 10716 | . . . . . . . 8 ⊢ (𝜑 → 𝒫 Q ∈ 𝑈) |
| 14 | prpssnq 10999 | . . . . . . . . . . . 12 ⊢ (𝑥 ∈ P → 𝑥 ⊊ Q) | |
| 15 | 14 | pssssd 4048 | . . . . . . . . . . 11 ⊢ (𝑥 ∈ P → 𝑥 ⊆ Q) |
| 16 | velpw 4562 | . . . . . . . . . . 11 ⊢ (𝑥 ∈ 𝒫 Q ↔ 𝑥 ⊆ Q) | |
| 17 | 15, 16 | sylibr 237 | . . . . . . . . . 10 ⊢ (𝑥 ∈ P → 𝑥 ∈ 𝒫 Q) |
| 18 | 17 | ssriv 3935 | . . . . . . . . 9 ⊢ P ⊆ 𝒫 Q |
| 19 | 18 | a1i 11 | . . . . . . . 8 ⊢ (𝜑 → P ⊆ 𝒫 Q) |
| 20 | 2, 13, 19 | wunss 10721 | . . . . . . 7 ⊢ (𝜑 → P ∈ 𝑈) |
| 21 | 2, 20, 20 | wunxp 10733 | . . . . . 6 ⊢ (𝜑 → (P × P) ∈ 𝑈) |
| 22 | 2, 21 | wunpw 10716 | . . . . 5 ⊢ (𝜑 → 𝒫 (P × P) ∈ 𝑈) |
| 23 | enrer 11072 | . . . . . . 7 ⊢ ~R Er (P × P) | |
| 24 | 23 | a1i 11 | . . . . . 6 ⊢ (𝜑 → ~R Er (P × P)) |
| 25 | 24 | qsss 8775 | . . . . 5 ⊢ (𝜑 → ((P × P) / ~R ) ⊆ 𝒫 (P × P)) |
| 26 | 2, 22, 25 | wunss 10721 | . . . 4 ⊢ (𝜑 → ((P × P) / ~R ) ∈ 𝑈) |
| 27 | 3, 26 | eqeltrid 2864 | . . 3 ⊢ (𝜑 → R ∈ 𝑈) |
| 28 | 2, 27, 27 | wunxp 10733 | . 2 ⊢ (𝜑 → (R × R) ∈ 𝑈) |
| 29 | 1, 28 | eqeltrid 2864 | 1 ⊢ (𝜑 → ℂ ∈ 𝑈) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 ∖ cdif 3896 ⊆ wss 3899 ∅c0 4279 𝒫 cpw 4557 {csn 4584 × cxp 5653 ωcom 7862 Er wer 8693 / cqs 8695 WUnicwun 10709 Ncnpi 10853 Qcnq 10861 Pcnp 10868 ~R cer 10873 Rcnr 10874 ℂcc 11122 |
| 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 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7736 ax-inf2 9620 |
| 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-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-ov 7416 df-oprab 7417 df-mpo 7418 df-om 7863 df-1st 7986 df-2nd 7987 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-1o 8455 df-oadd 8459 df-omul 8460 df-er 8696 df-ec 8698 df-qs 8702 df-wun 10711 df-ni 10881 df-pli 10882 df-mi 10883 df-lti 10884 df-plpq 10917 df-mpq 10918 df-ltpq 10919 df-enq 10920 df-nq 10921 df-erq 10922 df-plq 10923 df-mq 10924 df-1nq 10925 df-rq 10926 df-ltnq 10927 df-np 10990 df-plp 10992 df-ltp 10994 df-enr 11064 df-nr 11065 df-c 11130 |
| This theorem is used by: wunndx 17287 |
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