| 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 6828 | . . . 4 ⊢ (𝑚 = ∅ → (𝐶‘𝑚) = (𝐶‘∅)) | |
| 3 | 2 | sseq2d 3947 | . . 3 ⊢ (𝑚 = ∅ → ({0, 1} ⊆ (𝐶‘𝑚) ↔ {0, 1} ⊆ (𝐶‘∅))) |
| 4 | fveq2 6828 | . . . 4 ⊢ (𝑚 = 𝑛 → (𝐶‘𝑚) = (𝐶‘𝑛)) | |
| 5 | 4 | sseq2d 3947 | . . 3 ⊢ (𝑚 = 𝑛 → ({0, 1} ⊆ (𝐶‘𝑚) ↔ {0, 1} ⊆ (𝐶‘𝑛))) |
| 6 | fveq2 6828 | . . . 4 ⊢ (𝑚 = suc 𝑛 → (𝐶‘𝑚) = (𝐶‘suc 𝑛)) | |
| 7 | 6 | sseq2d 3947 | . . 3 ⊢ (𝑚 = suc 𝑛 → ({0, 1} ⊆ (𝐶‘𝑚) ↔ {0, 1} ⊆ (𝐶‘suc 𝑛))) |
| 8 | fveq2 6828 | . . . 4 ⊢ (𝑚 = 𝑁 → (𝐶‘𝑚) = (𝐶‘𝑁)) | |
| 9 | 8 | sseq2d 3947 | . . 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 33930 | . . . 4 ⊢ (𝐶‘∅) = {0, 1} |
| 12 | 11 | eqimss2i 3976 | . . 3 ⊢ {0, 1} ⊆ (𝐶‘∅) |
| 13 | simpr 485 | . . . . 5 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → {0, 1} ⊆ (𝐶‘𝑛)) | |
| 14 | simpl 483 | . . . . . 6 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → 𝑛 ∈ On) | |
| 15 | c0ex 11130 | . . . . . . . . 9 ⊢ 0 ∈ V | |
| 16 | 15 | prid1 4695 | . . . . . . . 8 ⊢ 0 ∈ {0, 1} |
| 17 | 16 | a1i 11 | . . . . . . 7 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → 0 ∈ {0, 1}) |
| 18 | 13, 17 | sseldd 3916 | . . . . . 6 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → 0 ∈ (𝐶‘𝑛)) |
| 19 | 10, 14, 18 | constrsslem 33934 | . . . . 5 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → (𝐶‘𝑛) ⊆ (𝐶‘suc 𝑛)) |
| 20 | 13, 19 | sstrd 3925 | . . . 4 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → {0, 1} ⊆ (𝐶‘suc 𝑛)) |
| 21 | 20 | ex 413 | . . 3 ⊢ (𝑛 ∈ On → ({0, 1} ⊆ (𝐶‘𝑛) → {0, 1} ⊆ (𝐶‘suc 𝑛))) |
| 22 | 0ellim 6375 | . . . . . 6 ⊢ (Lim 𝑚 → ∅ ∈ 𝑚) | |
| 23 | fveq2 6828 | . . . . . . . 8 ⊢ (𝑜 = ∅ → (𝐶‘𝑜) = (𝐶‘∅)) | |
| 24 | 23, 11 | eqtrdi 2790 | . . . . . . 7 ⊢ (𝑜 = ∅ → (𝐶‘𝑜) = {0, 1}) |
| 25 | 24 | ssiun2s 4979 | . . . . . 6 ⊢ (∅ ∈ 𝑚 → {0, 1} ⊆ ∪ 𝑜 ∈ 𝑚 (𝐶‘𝑜)) |
| 26 | 22, 25 | syl 17 | . . . . 5 ⊢ (Lim 𝑚 → {0, 1} ⊆ ∪ 𝑜 ∈ 𝑚 (𝐶‘𝑜)) |
| 27 | vex 3435 | . . . . . . 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 33932 | . . . . 5 ⊢ (Lim 𝑚 → (𝐶‘𝑚) = ∪ 𝑜 ∈ 𝑚 (𝐶‘𝑜)) |
| 31 | 26, 30 | sseqtrrd 3952 | . . . 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 7801 | . 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 396 ∨ w3o 1091 ∧ w3a 1092 = wceq 1547 ∈ wcel 2119 ≠ wne 2934 ∀wral 3053 ∃wrex 3063 {crab 3391 Vcvv 3431 ⊆ wss 3883 ∅c0 4262 {cpr 4558 ∪ ciun 4922 ↦ cmpt 5154 Oncon0 6311 Lim wlim 6312 suc csuc 6313 ‘cfv 6486 (class class class)co 7357 reccrdg 8339 ℂcc 11028 ℝcr 11029 0cc0 11030 1c1 11031 + caddc 11033 · cmul 11035 − cmin 11369 ∗ccj 15050 ℑcim 15052 abscabs 15188 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-rep 5200 ax-sep 5219 ax-nul 5229 ax-pow 5295 ax-pr 5363 ax-un 7679 ax-cnex 11086 ax-resscn 11087 ax-1cn 11088 ax-icn 11089 ax-addcl 11090 ax-addrcl 11091 ax-mulcl 11092 ax-mulrcl 11093 ax-mulcom 11094 ax-addass 11095 ax-mulass 11096 ax-distr 11097 ax-i2m1 11098 ax-1ne0 11099 ax-1rid 11100 ax-rnegex 11101 ax-rrecex 11102 ax-cnre 11103 ax-pre-lttri 11104 ax-pre-lttrn 11105 ax-pre-ltadd 11106 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-nel 3039 df-ral 3054 df-rex 3064 df-reu 3345 df-rab 3392 df-v 3433 df-sbc 3724 df-csb 3832 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3903 df-nul 4263 df-if 4456 df-pw 4532 df-sn 4557 df-pr 4559 df-op 4563 df-uni 4840 df-iun 4924 df-br 5074 df-opab 5136 df-mpt 5155 df-tr 5181 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6253 df-ord 6314 df-on 6315 df-lim 6316 df-suc 6317 df-iota 6442 df-fun 6488 df-fn 6489 df-f 6490 df-f1 6491 df-fo 6492 df-f1o 6493 df-fv 6494 df-riota 7314 df-ov 7360 df-oprab 7361 df-mpo 7362 df-om 7808 df-2nd 7933 df-frecs 8222 df-wrecs 8253 df-recs 8302 df-rdg 8340 df-er 8634 df-en 8885 df-dom 8886 df-sdom 8887 df-pnf 11173 df-mnf 11174 df-ltxr 11176 df-sub 11371 |
| This theorem is referenced by: constrss 33936 constrelextdg2 33940 constrextdg2lem 33941 |
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