| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > constr01 | Structured version Visualization version GIF version | ||
| Description: 0 and 1 are in all steps of the construction of constructible points. (Contributed by Thierry Arnoux, 25-Jun-2025.) |
| Ref | Expression |
|---|---|
| constr0.1 | ⊢ 𝐶 = rec((𝑠 ∈ V ↦ {𝑥 ∈ ℂ ∣ (∃𝑎 ∈ 𝑠 ∃𝑏 ∈ 𝑠 ∃𝑐 ∈ 𝑠 ∃𝑑 ∈ 𝑠 ∃𝑡 ∈ ℝ ∃𝑟 ∈ ℝ (𝑥 = (𝑎 + (𝑡 · (𝑏 − 𝑎))) ∧ 𝑥 = (𝑐 + (𝑟 · (𝑑 − 𝑐))) ∧ (ℑ‘((∗‘(𝑏 − 𝑎)) · (𝑑 − 𝑐))) ≠ 0) ∨ ∃𝑎 ∈ 𝑠 ∃𝑏 ∈ 𝑠 ∃𝑐 ∈ 𝑠 ∃𝑒 ∈ 𝑠 ∃𝑓 ∈ 𝑠 ∃𝑡 ∈ ℝ (𝑥 = (𝑎 + (𝑡 · (𝑏 − 𝑎))) ∧ (abs‘(𝑥 − 𝑐)) = (abs‘(𝑒 − 𝑓))) ∨ ∃𝑎 ∈ 𝑠 ∃𝑏 ∈ 𝑠 ∃𝑐 ∈ 𝑠 ∃𝑑 ∈ 𝑠 ∃𝑒 ∈ 𝑠 ∃𝑓 ∈ 𝑠 (𝑎 ≠ 𝑑 ∧ (abs‘(𝑥 − 𝑎)) = (abs‘(𝑏 − 𝑐)) ∧ (abs‘(𝑥 − 𝑑)) = (abs‘(𝑒 − 𝑓))))}), {0, 1}) |
| constrsscn.1 | ⊢ (𝜑 → 𝑁 ∈ On) |
| Ref | Expression |
|---|---|
| constr01 | ⊢ (𝜑 → {0, 1} ⊆ (𝐶‘𝑁)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | constrsscn.1 | . 2 ⊢ (𝜑 → 𝑁 ∈ On) | |
| 2 | fveq2 6834 | . . . 4 ⊢ (𝑚 = ∅ → (𝐶‘𝑚) = (𝐶‘∅)) | |
| 3 | 2 | sseq2d 3966 | . . 3 ⊢ (𝑚 = ∅ → ({0, 1} ⊆ (𝐶‘𝑚) ↔ {0, 1} ⊆ (𝐶‘∅))) |
| 4 | fveq2 6834 | . . . 4 ⊢ (𝑚 = 𝑛 → (𝐶‘𝑚) = (𝐶‘𝑛)) | |
| 5 | 4 | sseq2d 3966 | . . 3 ⊢ (𝑚 = 𝑛 → ({0, 1} ⊆ (𝐶‘𝑚) ↔ {0, 1} ⊆ (𝐶‘𝑛))) |
| 6 | fveq2 6834 | . . . 4 ⊢ (𝑚 = suc 𝑛 → (𝐶‘𝑚) = (𝐶‘suc 𝑛)) | |
| 7 | 6 | sseq2d 3966 | . . 3 ⊢ (𝑚 = suc 𝑛 → ({0, 1} ⊆ (𝐶‘𝑚) ↔ {0, 1} ⊆ (𝐶‘suc 𝑛))) |
| 8 | fveq2 6834 | . . . 4 ⊢ (𝑚 = 𝑁 → (𝐶‘𝑚) = (𝐶‘𝑁)) | |
| 9 | 8 | sseq2d 3966 | . . 3 ⊢ (𝑚 = 𝑁 → ({0, 1} ⊆ (𝐶‘𝑚) ↔ {0, 1} ⊆ (𝐶‘𝑁))) |
| 10 | constr0.1 | . . . . 5 ⊢ 𝐶 = rec((𝑠 ∈ V ↦ {𝑥 ∈ ℂ ∣ (∃𝑎 ∈ 𝑠 ∃𝑏 ∈ 𝑠 ∃𝑐 ∈ 𝑠 ∃𝑑 ∈ 𝑠 ∃𝑡 ∈ ℝ ∃𝑟 ∈ ℝ (𝑥 = (𝑎 + (𝑡 · (𝑏 − 𝑎))) ∧ 𝑥 = (𝑐 + (𝑟 · (𝑑 − 𝑐))) ∧ (ℑ‘((∗‘(𝑏 − 𝑎)) · (𝑑 − 𝑐))) ≠ 0) ∨ ∃𝑎 ∈ 𝑠 ∃𝑏 ∈ 𝑠 ∃𝑐 ∈ 𝑠 ∃𝑒 ∈ 𝑠 ∃𝑓 ∈ 𝑠 ∃𝑡 ∈ ℝ (𝑥 = (𝑎 + (𝑡 · (𝑏 − 𝑎))) ∧ (abs‘(𝑥 − 𝑐)) = (abs‘(𝑒 − 𝑓))) ∨ ∃𝑎 ∈ 𝑠 ∃𝑏 ∈ 𝑠 ∃𝑐 ∈ 𝑠 ∃𝑑 ∈ 𝑠 ∃𝑒 ∈ 𝑠 ∃𝑓 ∈ 𝑠 (𝑎 ≠ 𝑑 ∧ (abs‘(𝑥 − 𝑎)) = (abs‘(𝑏 − 𝑐)) ∧ (abs‘(𝑥 − 𝑑)) = (abs‘(𝑒 − 𝑓))))}), {0, 1}) | |
| 11 | 10 | constr0 33896 | . . . 4 ⊢ (𝐶‘∅) = {0, 1} |
| 12 | 11 | eqimss2i 3995 | . . 3 ⊢ {0, 1} ⊆ (𝐶‘∅) |
| 13 | simpr 484 | . . . . 5 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → {0, 1} ⊆ (𝐶‘𝑛)) | |
| 14 | simpl 482 | . . . . . 6 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → 𝑛 ∈ On) | |
| 15 | c0ex 11128 | . . . . . . . . 9 ⊢ 0 ∈ V | |
| 16 | 15 | prid1 4719 | . . . . . . . 8 ⊢ 0 ∈ {0, 1} |
| 17 | 16 | a1i 11 | . . . . . . 7 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → 0 ∈ {0, 1}) |
| 18 | 13, 17 | sseldd 3934 | . . . . . 6 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → 0 ∈ (𝐶‘𝑛)) |
| 19 | 10, 14, 18 | constrsslem 33900 | . . . . 5 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → (𝐶‘𝑛) ⊆ (𝐶‘suc 𝑛)) |
| 20 | 13, 19 | sstrd 3944 | . . . 4 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → {0, 1} ⊆ (𝐶‘suc 𝑛)) |
| 21 | 20 | ex 412 | . . 3 ⊢ (𝑛 ∈ On → ({0, 1} ⊆ (𝐶‘𝑛) → {0, 1} ⊆ (𝐶‘suc 𝑛))) |
| 22 | 0ellim 6381 | . . . . . 6 ⊢ (Lim 𝑚 → ∅ ∈ 𝑚) | |
| 23 | fveq2 6834 | . . . . . . . 8 ⊢ (𝑜 = ∅ → (𝐶‘𝑜) = (𝐶‘∅)) | |
| 24 | 23, 11 | eqtrdi 2787 | . . . . . . 7 ⊢ (𝑜 = ∅ → (𝐶‘𝑜) = {0, 1}) |
| 25 | 24 | ssiun2s 5004 | . . . . . 6 ⊢ (∅ ∈ 𝑚 → {0, 1} ⊆ ∪ 𝑜 ∈ 𝑚 (𝐶‘𝑜)) |
| 26 | 22, 25 | syl 17 | . . . . 5 ⊢ (Lim 𝑚 → {0, 1} ⊆ ∪ 𝑜 ∈ 𝑚 (𝐶‘𝑜)) |
| 27 | vex 3444 | . . . . . . 7 ⊢ 𝑚 ∈ V | |
| 28 | 27 | a1i 11 | . . . . . 6 ⊢ (Lim 𝑚 → 𝑚 ∈ V) |
| 29 | id 22 | . . . . . 6 ⊢ (Lim 𝑚 → Lim 𝑚) | |
| 30 | 10, 28, 29 | constrlim 33898 | . . . . 5 ⊢ (Lim 𝑚 → (𝐶‘𝑚) = ∪ 𝑜 ∈ 𝑚 (𝐶‘𝑜)) |
| 31 | 26, 30 | sseqtrrd 3971 | . . . 4 ⊢ (Lim 𝑚 → {0, 1} ⊆ (𝐶‘𝑚)) |
| 32 | 31 | a1d 25 | . . 3 ⊢ (Lim 𝑚 → (∀𝑛 ∈ 𝑚 {0, 1} ⊆ (𝐶‘𝑛) → {0, 1} ⊆ (𝐶‘𝑚))) |
| 33 | 3, 5, 7, 9, 12, 21, 32 | tfinds 7802 | . 2 ⊢ (𝑁 ∈ On → {0, 1} ⊆ (𝐶‘𝑁)) |
| 34 | 1, 33 | syl 17 | 1 ⊢ (𝜑 → {0, 1} ⊆ (𝐶‘𝑁)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∨ w3o 1085 ∧ w3a 1086 = wceq 1541 ∈ wcel 2113 ≠ wne 2932 ∀wral 3051 ∃wrex 3060 {crab 3399 Vcvv 3440 ⊆ wss 3901 ∅c0 4285 {cpr 4582 ∪ ciun 4946 ↦ cmpt 5179 Oncon0 6317 Lim wlim 6318 suc csuc 6319 ‘cfv 6492 (class class class)co 7358 reccrdg 8340 ℂcc 11026 ℝcr 11027 0cc0 11028 1c1 11029 + caddc 11031 · cmul 11033 − cmin 11366 ∗ccj 15021 ℑcim 15023 abscabs 15159 |
| 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-rep 5224 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11084 ax-resscn 11085 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-addrcl 11089 ax-mulcl 11090 ax-mulrcl 11091 ax-mulcom 11092 ax-addass 11093 ax-mulass 11094 ax-distr 11095 ax-i2m1 11096 ax-1ne0 11097 ax-1rid 11098 ax-rnegex 11099 ax-rrecex 11100 ax-cnre 11101 ax-pre-lttri 11102 ax-pre-lttrn 11103 ax-pre-ltadd 11104 |
| 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-nel 3037 df-ral 3052 df-rex 3061 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-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-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-2nd 7934 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-er 8635 df-en 8886 df-dom 8887 df-sdom 8888 df-pnf 11170 df-mnf 11171 df-ltxr 11173 df-sub 11368 |
| This theorem is referenced by: constrss 33902 constrelextdg2 33906 constrextdg2lem 33907 |
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