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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 11032 | . 2 ⊢ ℂ = (R × R) | |
| 2 | wuncn.1 | . . 3 ⊢ (𝜑 → 𝑈 ∈ WUni) | |
| 3 | df-nr 10967 | . . . 4 ⊢ R = ((P × P) / ~R ) | |
| 4 | df-ni 10783 | . . . . . . . . . . . 12 ⊢ N = (ω ∖ {∅}) | |
| 5 | wuncn.2 | . . . . . . . . . . . . 13 ⊢ (𝜑 → ω ∈ 𝑈) | |
| 6 | 2, 5 | wundif 10625 | . . . . . . . . . . . 12 ⊢ (𝜑 → (ω ∖ {∅}) ∈ 𝑈) |
| 7 | 4, 6 | eqeltrid 2840 | . . . . . . . . . . 11 ⊢ (𝜑 → N ∈ 𝑈) |
| 8 | 2, 7, 7 | wunxp 10635 | . . . . . . . . . 10 ⊢ (𝜑 → (N × N) ∈ 𝑈) |
| 9 | elpqn 10836 | . . . . . . . . . . . 12 ⊢ (𝑥 ∈ Q → 𝑥 ∈ (N × N)) | |
| 10 | 9 | ssriv 3937 | . . . . . . . . . . 11 ⊢ Q ⊆ (N × N) |
| 11 | 10 | a1i 11 | . . . . . . . . . 10 ⊢ (𝜑 → Q ⊆ (N × N)) |
| 12 | 2, 8, 11 | wunss 10623 | . . . . . . . . 9 ⊢ (𝜑 → Q ∈ 𝑈) |
| 13 | 2, 12 | wunpw 10618 | . . . . . . . 8 ⊢ (𝜑 → 𝒫 Q ∈ 𝑈) |
| 14 | prpssnq 10901 | . . . . . . . . . . . 12 ⊢ (𝑥 ∈ P → 𝑥 ⊊ Q) | |
| 15 | 14 | pssssd 4052 | . . . . . . . . . . 11 ⊢ (𝑥 ∈ P → 𝑥 ⊆ Q) |
| 16 | velpw 4559 | . . . . . . . . . . 11 ⊢ (𝑥 ∈ 𝒫 Q ↔ 𝑥 ⊆ Q) | |
| 17 | 15, 16 | sylibr 234 | . . . . . . . . . 10 ⊢ (𝑥 ∈ P → 𝑥 ∈ 𝒫 Q) |
| 18 | 17 | ssriv 3937 | . . . . . . . . 9 ⊢ P ⊆ 𝒫 Q |
| 19 | 18 | a1i 11 | . . . . . . . 8 ⊢ (𝜑 → P ⊆ 𝒫 Q) |
| 20 | 2, 13, 19 | wunss 10623 | . . . . . . 7 ⊢ (𝜑 → P ∈ 𝑈) |
| 21 | 2, 20, 20 | wunxp 10635 | . . . . . 6 ⊢ (𝜑 → (P × P) ∈ 𝑈) |
| 22 | 2, 21 | wunpw 10618 | . . . . 5 ⊢ (𝜑 → 𝒫 (P × P) ∈ 𝑈) |
| 23 | enrer 10974 | . . . . . . 7 ⊢ ~R Er (P × P) | |
| 24 | 23 | a1i 11 | . . . . . 6 ⊢ (𝜑 → ~R Er (P × P)) |
| 25 | 24 | qsss 8713 | . . . . 5 ⊢ (𝜑 → ((P × P) / ~R ) ⊆ 𝒫 (P × P)) |
| 26 | 2, 22, 25 | wunss 10623 | . . . 4 ⊢ (𝜑 → ((P × P) / ~R ) ∈ 𝑈) |
| 27 | 3, 26 | eqeltrid 2840 | . . 3 ⊢ (𝜑 → R ∈ 𝑈) |
| 28 | 2, 27, 27 | wunxp 10635 | . 2 ⊢ (𝜑 → (R × R) ∈ 𝑈) |
| 29 | 1, 28 | eqeltrid 2840 | 1 ⊢ (𝜑 → ℂ ∈ 𝑈) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2113 ∖ cdif 3898 ⊆ wss 3901 ∅c0 4285 𝒫 cpw 4554 {csn 4580 × cxp 5622 ωcom 7808 Er wer 8632 / cqs 8634 WUnicwun 10611 Ncnpi 10755 Qcnq 10763 Pcnp 10770 ~R cer 10775 Rcnr 10776 ℂcc 11024 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-inf2 9550 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-int 4903 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-1st 7933 df-2nd 7934 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-1o 8397 df-oadd 8401 df-omul 8402 df-er 8635 df-ec 8637 df-qs 8641 df-wun 10613 df-ni 10783 df-pli 10784 df-mi 10785 df-lti 10786 df-plpq 10819 df-mpq 10820 df-ltpq 10821 df-enq 10822 df-nq 10823 df-erq 10824 df-plq 10825 df-mq 10826 df-1nq 10827 df-rq 10828 df-ltnq 10829 df-np 10892 df-plp 10894 df-ltp 10896 df-enr 10966 df-nr 10967 df-c 11032 |
| This theorem is referenced by: wunndx 17122 |
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