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| Mirrors > Home > MPE Home > Th. List > elplngid | Structured version Visualization version GIF version | ||
| Description: The point 𝑅 is itself an element of a plane defined by a line 𝐴 and the point 𝑅. (Contributed by Thierry Arnoux, 17-Jun-2026.) |
| Ref | Expression |
|---|---|
| plngval.p | ⊢ 𝑃 = (Base‘𝐺) |
| plngval.i | ⊢ 𝐼 = (Itv‘𝐺) |
| plngval.1 | ⊢ 𝐿 = (LineG‘𝐺) |
| plngval.e | ⊢ 𝐸 = (hlG‘𝐺) |
| plngval.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| elplng.a | ⊢ (𝜑 → 𝐴 ∈ ran 𝐿) |
| elplng.r | ⊢ (𝜑 → 𝑅 ∈ (𝑃 ∖ 𝐴)) |
| Ref | Expression |
|---|---|
| elplngid | ⊢ (𝜑 → 𝑅 ∈ (𝐴𝐸𝑅)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | plngval.p | . . . 4 ⊢ 𝑃 = (Base‘𝐺) | |
| 2 | plngval.i | . . . 4 ⊢ 𝐼 = (Itv‘𝐺) | |
| 3 | plngval.1 | . . . 4 ⊢ 𝐿 = (LineG‘𝐺) | |
| 4 | plngval.g | . . . 4 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 5 | elplng.a | . . . 4 ⊢ (𝜑 → 𝐴 ∈ ran 𝐿) | |
| 6 | elplng.r | . . . . 5 ⊢ (𝜑 → 𝑅 ∈ (𝑃 ∖ 𝐴)) | |
| 7 | 6 | eldifad 3919 | . . . 4 ⊢ (𝜑 → 𝑅 ∈ 𝑃) |
| 8 | eleq1w 2848 | . . . . . . 7 ⊢ (𝑎 = 𝑐 → (𝑎 ∈ (𝑃 ∖ 𝐴) ↔ 𝑐 ∈ (𝑃 ∖ 𝐴))) | |
| 9 | eleq1w 2848 | . . . . . . 7 ⊢ (𝑏 = 𝑑 → (𝑏 ∈ (𝑃 ∖ 𝐴) ↔ 𝑑 ∈ (𝑃 ∖ 𝐴))) | |
| 10 | 8, 9 | bi2anan9 649 | . . . . . 6 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → ((𝑎 ∈ (𝑃 ∖ 𝐴) ∧ 𝑏 ∈ (𝑃 ∖ 𝐴)) ↔ (𝑐 ∈ (𝑃 ∖ 𝐴) ∧ 𝑑 ∈ (𝑃 ∖ 𝐴)))) |
| 11 | eleq1w 2848 | . . . . . . . 8 ⊢ (𝑡 = 𝑠 → (𝑡 ∈ (𝑎𝐼𝑏) ↔ 𝑠 ∈ (𝑎𝐼𝑏))) | |
| 12 | 11 | cbvrexvw 3244 | . . . . . . 7 ⊢ (∃𝑡 ∈ 𝐴 𝑡 ∈ (𝑎𝐼𝑏) ↔ ∃𝑠 ∈ 𝐴 𝑠 ∈ (𝑎𝐼𝑏)) |
| 13 | oveq12 7409 | . . . . . . . . 9 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (𝑎𝐼𝑏) = (𝑐𝐼𝑑)) | |
| 14 | 13 | eleq2d 2851 | . . . . . . . 8 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (𝑠 ∈ (𝑎𝐼𝑏) ↔ 𝑠 ∈ (𝑐𝐼𝑑))) |
| 15 | 14 | rexbidv 3189 | . . . . . . 7 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (∃𝑠 ∈ 𝐴 𝑠 ∈ (𝑎𝐼𝑏) ↔ ∃𝑠 ∈ 𝐴 𝑠 ∈ (𝑐𝐼𝑑))) |
| 16 | 12, 15 | bitrid 286 | . . . . . 6 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (∃𝑡 ∈ 𝐴 𝑡 ∈ (𝑎𝐼𝑏) ↔ ∃𝑠 ∈ 𝐴 𝑠 ∈ (𝑐𝐼𝑑))) |
| 17 | 10, 16 | anbi12d 643 | . . . . 5 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (((𝑎 ∈ (𝑃 ∖ 𝐴) ∧ 𝑏 ∈ (𝑃 ∖ 𝐴)) ∧ ∃𝑡 ∈ 𝐴 𝑡 ∈ (𝑎𝐼𝑏)) ↔ ((𝑐 ∈ (𝑃 ∖ 𝐴) ∧ 𝑑 ∈ (𝑃 ∖ 𝐴)) ∧ ∃𝑠 ∈ 𝐴 𝑠 ∈ (𝑐𝐼𝑑)))) |
| 18 | 17 | cbvopabv 5178 | . . . 4 ⊢ {〈𝑎, 𝑏〉 ∣ ((𝑎 ∈ (𝑃 ∖ 𝐴) ∧ 𝑏 ∈ (𝑃 ∖ 𝐴)) ∧ ∃𝑡 ∈ 𝐴 𝑡 ∈ (𝑎𝐼𝑏))} = {〈𝑐, 𝑑〉 ∣ ((𝑐 ∈ (𝑃 ∖ 𝐴) ∧ 𝑑 ∈ (𝑃 ∖ 𝐴)) ∧ ∃𝑠 ∈ 𝐴 𝑠 ∈ (𝑐𝐼𝑑))} |
| 19 | 6 | eldifbd 3920 | . . . 4 ⊢ (𝜑 → ¬ 𝑅 ∈ 𝐴) |
| 20 | 1, 2, 3, 4, 5, 7, 18, 19 | hpgid 28997 | . . 3 ⊢ (𝜑 → 𝑅((hpG‘𝐺)‘𝐴)𝑅) |
| 21 | 20 | 3mix2d 1354 | . 2 ⊢ (𝜑 → (𝑅 ∈ 𝐴 ∨ 𝑅((hpG‘𝐺)‘𝐴)𝑅 ∨ 𝑅{〈𝑎, 𝑏〉 ∣ ((𝑎 ∈ (𝑃 ∖ 𝐴) ∧ 𝑏 ∈ (𝑃 ∖ 𝐴)) ∧ ∃𝑡 ∈ 𝐴 𝑡 ∈ (𝑎𝐼𝑏))}𝑅)) |
| 22 | plngval.e | . . 3 ⊢ 𝐸 = (hlG‘𝐺) | |
| 23 | eqid 2765 | . . 3 ⊢ {〈𝑎, 𝑏〉 ∣ ((𝑎 ∈ (𝑃 ∖ 𝐴) ∧ 𝑏 ∈ (𝑃 ∖ 𝐴)) ∧ ∃𝑡 ∈ 𝐴 𝑡 ∈ (𝑎𝐼𝑏))} = {〈𝑎, 𝑏〉 ∣ ((𝑎 ∈ (𝑃 ∖ 𝐴) ∧ 𝑏 ∈ (𝑃 ∖ 𝐴)) ∧ ∃𝑡 ∈ 𝐴 𝑡 ∈ (𝑎𝐼𝑏))} | |
| 24 | 1, 2, 3, 22, 4, 5, 6, 23, 7 | elplng 29010 | . 2 ⊢ (𝜑 → (𝑅 ∈ (𝐴𝐸𝑅) ↔ (𝑅 ∈ 𝐴 ∨ 𝑅((hpG‘𝐺)‘𝐴)𝑅 ∨ 𝑅{〈𝑎, 𝑏〉 ∣ ((𝑎 ∈ (𝑃 ∖ 𝐴) ∧ 𝑏 ∈ (𝑃 ∖ 𝐴)) ∧ ∃𝑡 ∈ 𝐴 𝑡 ∈ (𝑎𝐼𝑏))}𝑅))) |
| 25 | 21, 24 | mpbird 260 | 1 ⊢ (𝜑 → 𝑅 ∈ (𝐴𝐸𝑅)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∨ w3o 1100 = wceq 1563 ∈ wcel 2145 ∃wrex 3089 ∖ cdif 3904 class class class wbr 5105 {copab 5167 ran crn 5653 ‘cfv 6525 (class class class)co 7400 Basecbs 17259 TarskiGcstrkg 28654 Itvcitv 28660 LineGclng 28661 hpGchpg 28988 hlGcplng 29003 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-rep 5232 ax-sep 5251 ax-nul 5261 ax-pow 5327 ax-pr 5395 ax-un 7722 ax-cnex 11144 ax-resscn 11145 ax-1cn 11146 ax-icn 11147 ax-addcl 11148 ax-addrcl 11149 ax-mulcl 11150 ax-mulrcl 11151 ax-mulcom 11152 ax-addass 11153 ax-mulass 11154 ax-distr 11155 ax-i2m1 11156 ax-1ne0 11157 ax-1rid 11158 ax-rnegex 11159 ax-rrecex 11160 ax-cnre 11161 ax-pre-lttri 11162 ax-pre-lttrn 11163 ax-pre-ltadd 11164 ax-pre-mulgt0 11165 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3371 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-pss 3927 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-tp 4590 df-op 4592 df-uni 4869 df-int 4909 df-iun 4954 df-br 5106 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5547 df-eprel 5552 df-po 5560 df-so 5561 df-fr 5605 df-we 5607 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 df-pred 6292 df-ord 6353 df-on 6354 df-lim 6355 df-suc 6356 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-riota 7357 df-ov 7403 df-oprab 7404 df-mpo 7405 df-om 7851 df-1st 7974 df-2nd 7975 df-frecs 8266 df-wrecs 8297 df-recs 8346 df-rdg 8385 df-1o 8441 df-oadd 8445 df-er 8682 df-pm 8815 df-en 8932 df-dom 8933 df-sdom 8934 df-fin 8935 df-dju 9875 df-card 9913 df-pnf 11233 df-mnf 11234 df-xr 11235 df-ltxr 11236 df-le 11237 df-sub 11431 df-neg 11432 df-nn 12225 df-2 12294 df-3 12295 df-n0 12496 df-xnn0 12569 df-z 12583 df-uz 12854 df-fz 13527 df-fzo 13674 df-hash 14358 df-word 14541 df-concat 14598 df-s1 14624 df-s2 14875 df-s3 14876 df-trkgc 28675 df-trkgb 28676 df-trkgcb 28677 df-trkg 28680 df-cgrg 28738 df-hpg 28989 df-plng 29004 |
| This theorem is referenced by: lnincplng 29014 |
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