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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 11044 | . 2 ⊢ ℂ = (R × R) | |
| 2 | wuncn.1 | . . 3 ⊢ (𝜑 → 𝑈 ∈ WUni) | |
| 3 | df-nr 10979 | . . . 4 ⊢ R = ((P × P) / ~R ) | |
| 4 | df-ni 10795 | . . . . . . . . . . . 12 ⊢ N = (ω ∖ {∅}) | |
| 5 | wuncn.2 | . . . . . . . . . . . . 13 ⊢ (𝜑 → ω ∈ 𝑈) | |
| 6 | 2, 5 | wundif 10637 | . . . . . . . . . . . 12 ⊢ (𝜑 → (ω ∖ {∅}) ∈ 𝑈) |
| 7 | 4, 6 | eqeltrid 2841 | . . . . . . . . . . 11 ⊢ (𝜑 → N ∈ 𝑈) |
| 8 | 2, 7, 7 | wunxp 10647 | . . . . . . . . . 10 ⊢ (𝜑 → (N × N) ∈ 𝑈) |
| 9 | elpqn 10848 | . . . . . . . . . . . 12 ⊢ (𝑥 ∈ Q → 𝑥 ∈ (N × N)) | |
| 10 | 9 | ssriv 3939 | . . . . . . . . . . 11 ⊢ Q ⊆ (N × N) |
| 11 | 10 | a1i 11 | . . . . . . . . . 10 ⊢ (𝜑 → Q ⊆ (N × N)) |
| 12 | 2, 8, 11 | wunss 10635 | . . . . . . . . 9 ⊢ (𝜑 → Q ∈ 𝑈) |
| 13 | 2, 12 | wunpw 10630 | . . . . . . . 8 ⊢ (𝜑 → 𝒫 Q ∈ 𝑈) |
| 14 | prpssnq 10913 | . . . . . . . . . . . 12 ⊢ (𝑥 ∈ P → 𝑥 ⊊ Q) | |
| 15 | 14 | pssssd 4054 | . . . . . . . . . . 11 ⊢ (𝑥 ∈ P → 𝑥 ⊆ Q) |
| 16 | velpw 4561 | . . . . . . . . . . 11 ⊢ (𝑥 ∈ 𝒫 Q ↔ 𝑥 ⊆ Q) | |
| 17 | 15, 16 | sylibr 234 | . . . . . . . . . 10 ⊢ (𝑥 ∈ P → 𝑥 ∈ 𝒫 Q) |
| 18 | 17 | ssriv 3939 | . . . . . . . . 9 ⊢ P ⊆ 𝒫 Q |
| 19 | 18 | a1i 11 | . . . . . . . 8 ⊢ (𝜑 → P ⊆ 𝒫 Q) |
| 20 | 2, 13, 19 | wunss 10635 | . . . . . . 7 ⊢ (𝜑 → P ∈ 𝑈) |
| 21 | 2, 20, 20 | wunxp 10647 | . . . . . 6 ⊢ (𝜑 → (P × P) ∈ 𝑈) |
| 22 | 2, 21 | wunpw 10630 | . . . . 5 ⊢ (𝜑 → 𝒫 (P × P) ∈ 𝑈) |
| 23 | enrer 10986 | . . . . . . 7 ⊢ ~R Er (P × P) | |
| 24 | 23 | a1i 11 | . . . . . 6 ⊢ (𝜑 → ~R Er (P × P)) |
| 25 | 24 | qsss 8724 | . . . . 5 ⊢ (𝜑 → ((P × P) / ~R ) ⊆ 𝒫 (P × P)) |
| 26 | 2, 22, 25 | wunss 10635 | . . . 4 ⊢ (𝜑 → ((P × P) / ~R ) ∈ 𝑈) |
| 27 | 3, 26 | eqeltrid 2841 | . . 3 ⊢ (𝜑 → R ∈ 𝑈) |
| 28 | 2, 27, 27 | wunxp 10647 | . 2 ⊢ (𝜑 → (R × R) ∈ 𝑈) |
| 29 | 1, 28 | eqeltrid 2841 | 1 ⊢ (𝜑 → ℂ ∈ 𝑈) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 ∖ cdif 3900 ⊆ wss 3903 ∅c0 4287 𝒫 cpw 4556 {csn 4582 × cxp 5630 ωcom 7818 Er wer 8642 / cqs 8644 WUnicwun 10623 Ncnpi 10767 Qcnq 10775 Pcnp 10782 ~R cer 10787 Rcnr 10788 ℂcc 11036 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-inf2 9562 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rmo 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-int 4905 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-1st 7943 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-1o 8407 df-oadd 8411 df-omul 8412 df-er 8645 df-ec 8647 df-qs 8651 df-wun 10625 df-ni 10795 df-pli 10796 df-mi 10797 df-lti 10798 df-plpq 10831 df-mpq 10832 df-ltpq 10833 df-enq 10834 df-nq 10835 df-erq 10836 df-plq 10837 df-mq 10838 df-1nq 10839 df-rq 10840 df-ltnq 10841 df-np 10904 df-plp 10906 df-ltp 10908 df-enr 10978 df-nr 10979 df-c 11044 |
| This theorem is referenced by: wunndx 17134 |
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