| 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 6885 | . . . 4 ⊢ (𝑚 = ∅ → (𝐶‘𝑚) = (𝐶‘∅)) | |
| 3 | 2 | sseq2d 3970 | . . 3 ⊢ (𝑚 = ∅ → ({0, 1} ⊆ (𝐶‘𝑚) ↔ {0, 1} ⊆ (𝐶‘∅))) |
| 4 | fveq2 6885 | . . . 4 ⊢ (𝑚 = 𝑛 → (𝐶‘𝑚) = (𝐶‘𝑛)) | |
| 5 | 4 | sseq2d 3970 | . . 3 ⊢ (𝑚 = 𝑛 → ({0, 1} ⊆ (𝐶‘𝑚) ↔ {0, 1} ⊆ (𝐶‘𝑛))) |
| 6 | fveq2 6885 | . . . 4 ⊢ (𝑚 = suc 𝑛 → (𝐶‘𝑚) = (𝐶‘suc 𝑛)) | |
| 7 | 6 | sseq2d 3970 | . . 3 ⊢ (𝑚 = suc 𝑛 → ({0, 1} ⊆ (𝐶‘𝑚) ↔ {0, 1} ⊆ (𝐶‘suc 𝑛))) |
| 8 | fveq2 6885 | . . . 4 ⊢ (𝑚 = 𝑁 → (𝐶‘𝑚) = (𝐶‘𝑁)) | |
| 9 | 8 | sseq2d 3970 | . . 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 34193 | . . . 4 ⊢ (𝐶‘∅) = {0, 1} |
| 12 | 11 | eqimss2i 3999 | . . 3 ⊢ {0, 1} ⊆ (𝐶‘∅) |
| 13 | simpr 490 | . . . . 5 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → {0, 1} ⊆ (𝐶‘𝑛)) | |
| 14 | simpl 488 | . . . . . 6 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → 𝑛 ∈ On) | |
| 15 | 0elpr01 11218 | . . . . . . . 8 ⊢ 0 ∈ {0, 1} | |
| 16 | 15 | a1i 11 | . . . . . . 7 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → 0 ∈ {0, 1}) |
| 17 | 13, 16 | sseldd 3939 | . . . . . 6 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → 0 ∈ (𝐶‘𝑛)) |
| 18 | 10, 14, 17 | constrsslem 34197 | . . . . 5 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → (𝐶‘𝑛) ⊆ (𝐶‘suc 𝑛)) |
| 19 | 13, 18 | sstrd 3948 | . . . 4 ⊢ ((𝑛 ∈ On ∧ {0, 1} ⊆ (𝐶‘𝑛)) → {0, 1} ⊆ (𝐶‘suc 𝑛)) |
| 20 | 19 | ex 418 | . . 3 ⊢ (𝑛 ∈ On → ({0, 1} ⊆ (𝐶‘𝑛) → {0, 1} ⊆ (𝐶‘suc 𝑛))) |
| 21 | 0ellim 6429 | . . . . . 6 ⊢ (Lim 𝑚 → ∅ ∈ 𝑚) | |
| 22 | fveq2 6885 | . . . . . . . 8 ⊢ (𝑜 = ∅ → (𝐶‘𝑜) = (𝐶‘∅)) | |
| 23 | 22, 11 | eqtrdi 2816 | . . . . . . 7 ⊢ (𝑜 = ∅ → (𝐶‘𝑜) = {0, 1}) |
| 24 | 23 | ssiun2s 5015 | . . . . . 6 ⊢ (∅ ∈ 𝑚 → {0, 1} ⊆ ∪ 𝑜 ∈ 𝑚 (𝐶‘𝑜)) |
| 25 | 21, 24 | syl 18 | . . . . 5 ⊢ (Lim 𝑚 → {0, 1} ⊆ ∪ 𝑜 ∈ 𝑚 (𝐶‘𝑜)) |
| 26 | vex 3461 | . . . . . . 7 ⊢ 𝑚 ∈ V | |
| 27 | 26 | a1i 11 | . . . . . 6 ⊢ (Lim 𝑚 → 𝑚 ∈ V) |
| 28 | id 23 | . . . . . 6 ⊢ (Lim 𝑚 → Lim 𝑚) | |
| 29 | 10, 27, 28 | constrlim 34195 | . . . . 5 ⊢ (Lim 𝑚 → (𝐶‘𝑚) = ∪ 𝑜 ∈ 𝑚 (𝐶‘𝑜)) |
| 30 | 25, 29 | sseqtrrd 3975 | . . . 4 ⊢ (Lim 𝑚 → {0, 1} ⊆ (𝐶‘𝑚)) |
| 31 | 30 | a1d 26 | . . 3 ⊢ (Lim 𝑚 → (∀𝑛 ∈ 𝑚 {0, 1} ⊆ (𝐶‘𝑛) → {0, 1} ⊆ (𝐶‘𝑚))) |
| 32 | 3, 5, 7, 9, 12, 20, 31 | tfinds 7862 | . 2 ⊢ (𝑁 ∈ On → {0, 1} ⊆ (𝐶‘𝑁)) |
| 33 | 1, 32 | syl 18 | 1 ⊢ (𝜑 → {0, 1} ⊆ (𝐶‘𝑁)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∨ w3o 1102 ∧ w3a 1103 = wceq 1570 ∈ wcel 2146 ≠ wne 2960 ∀wral 3081 ∃wrex 3091 {crab 3418 Vcvv 3457 ⊆ wss 3906 ∅c0 4286 {cpr 4593 ∪ ciun 4958 ↦ cmpt 5194 Oncon0 6364 Lim wlim 6365 suc csuc 6366 ‘cfv 6540 (class class class)co 7419 reccrdg 8402 ℂcc 11115 ℝcr 11116 0cc0 11117 1c1 11118 + caddc 11120 · cmul 11122 − cmin 11458 ∗ccj 15173 ℑcim 15175 abscabs 15311 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11173 ax-resscn 11174 ax-1cn 11175 ax-icn 11176 ax-addcl 11177 ax-addrcl 11178 ax-mulcl 11179 ax-mulrcl 11180 ax-mulcom 11181 ax-addass 11182 ax-mulass 11183 ax-distr 11184 ax-i2m1 11185 ax-1ne0 11186 ax-1rid 11187 ax-rnegex 11188 ax-rrecex 11189 ax-cnre 11190 ax-pre-lttri 11191 ax-pre-lttrn 11192 ax-pre-ltadd 11193 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 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 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-pnf 11262 df-mnf 11263 df-ltxr 11265 df-sub 11460 |
| This theorem is used by: constrss 34199 constrelextdg2 34203 constrextdg2lem 34204 |
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