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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 11107 | . 2 ⊢ ℂ = (R × R) | |
| 2 | wuncn.1 | . . 3 ⊢ (𝜑 → 𝑈 ∈ WUni) | |
| 3 | df-nr 11042 | . . . 4 ⊢ R = ((P × P) / ~R ) | |
| 4 | df-ni 10858 | . . . . . . . . . . . 12 ⊢ N = (ω ∖ {∅}) | |
| 5 | wuncn.2 | . . . . . . . . . . . . 13 ⊢ (𝜑 → ω ∈ 𝑈) | |
| 6 | 2, 5 | wundif 10700 | . . . . . . . . . . . 12 ⊢ (𝜑 → (ω ∖ {∅}) ∈ 𝑈) |
| 7 | 4, 6 | eqeltrid 2867 | . . . . . . . . . . 11 ⊢ (𝜑 → N ∈ 𝑈) |
| 8 | 2, 7, 7 | wunxp 10710 | . . . . . . . . . 10 ⊢ (𝜑 → (N × N) ∈ 𝑈) |
| 9 | elpqn 10911 | . . . . . . . . . . . 12 ⊢ (𝑥 ∈ Q → 𝑥 ∈ (N × N)) | |
| 10 | 9 | ssriv 3942 | . . . . . . . . . . 11 ⊢ Q ⊆ (N × N) |
| 11 | 10 | a1i 11 | . . . . . . . . . 10 ⊢ (𝜑 → Q ⊆ (N × N)) |
| 12 | 2, 8, 11 | wunss 10698 | . . . . . . . . 9 ⊢ (𝜑 → Q ∈ 𝑈) |
| 13 | 2, 12 | wunpw 10693 | . . . . . . . 8 ⊢ (𝜑 → 𝒫 Q ∈ 𝑈) |
| 14 | prpssnq 10976 | . . . . . . . . . . . 12 ⊢ (𝑥 ∈ P → 𝑥 ⊊ Q) | |
| 15 | 14 | pssssd 4055 | . . . . . . . . . . 11 ⊢ (𝑥 ∈ P → 𝑥 ⊆ Q) |
| 16 | velpw 4568 | . . . . . . . . . . 11 ⊢ (𝑥 ∈ 𝒫 Q ↔ 𝑥 ⊆ Q) | |
| 17 | 15, 16 | sylibr 237 | . . . . . . . . . 10 ⊢ (𝑥 ∈ P → 𝑥 ∈ 𝒫 Q) |
| 18 | 17 | ssriv 3942 | . . . . . . . . 9 ⊢ P ⊆ 𝒫 Q |
| 19 | 18 | a1i 11 | . . . . . . . 8 ⊢ (𝜑 → P ⊆ 𝒫 Q) |
| 20 | 2, 13, 19 | wunss 10698 | . . . . . . 7 ⊢ (𝜑 → P ∈ 𝑈) |
| 21 | 2, 20, 20 | wunxp 10710 | . . . . . 6 ⊢ (𝜑 → (P × P) ∈ 𝑈) |
| 22 | 2, 21 | wunpw 10693 | . . . . 5 ⊢ (𝜑 → 𝒫 (P × P) ∈ 𝑈) |
| 23 | enrer 11049 | . . . . . . 7 ⊢ ~R Er (P × P) | |
| 24 | 23 | a1i 11 | . . . . . 6 ⊢ (𝜑 → ~R Er (P × P)) |
| 25 | 24 | qsss 8774 | . . . . 5 ⊢ (𝜑 → ((P × P) / ~R ) ⊆ 𝒫 (P × P)) |
| 26 | 2, 22, 25 | wunss 10698 | . . . 4 ⊢ (𝜑 → ((P × P) / ~R ) ∈ 𝑈) |
| 27 | 3, 26 | eqeltrid 2867 | . . 3 ⊢ (𝜑 → R ∈ 𝑈) |
| 28 | 2, 27, 27 | wunxp 10710 | . 2 ⊢ (𝜑 → (R × R) ∈ 𝑈) |
| 29 | 1, 28 | eqeltrid 2867 | 1 ⊢ (𝜑 → ℂ ∈ 𝑈) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2143 ∖ cdif 3903 ⊆ wss 3906 ∅c0 4287 𝒫 cpw 4563 {csn 4590 × cxp 5661 ωcom 7863 Er wer 8692 / cqs 8694 WUnicwun 10686 Ncnpi 10830 Qcnq 10838 Pcnp 10845 ~R cer 10850 Rcnr 10851 ℂcc 11099 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 ax-un 7734 ax-inf2 9611 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-int 4914 df-iun 4959 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7864 df-1st 7987 df-2nd 7988 df-frecs 8279 df-wrecs 8310 df-recs 8359 df-rdg 8398 df-1o 8454 df-oadd 8458 df-omul 8459 df-er 8695 df-ec 8697 df-qs 8701 df-wun 10688 df-ni 10858 df-pli 10859 df-mi 10860 df-lti 10861 df-plpq 10894 df-mpq 10895 df-ltpq 10896 df-enq 10897 df-nq 10898 df-erq 10899 df-plq 10900 df-mq 10901 df-1nq 10902 df-rq 10903 df-ltnq 10904 df-np 10967 df-plp 10969 df-ltp 10971 df-enr 11041 df-nr 11042 df-c 11107 |
| This theorem is referenced by: wunndx 17256 |
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