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| Mirrors > Home > MPE Home > Th. List > hpgssplng | Structured version Visualization version GIF version | ||
| Description: Any point 𝑋 on a half plane defined by a line 𝐴 and another point 𝑌 is on the plane defined by 𝐴 and 𝑌. (Contributed by Thierry Arnoux, 5-Jul-2026.) |
| Ref | Expression |
|---|---|
| hpgssplng.p | ⊢ 𝑃 = (Base‘𝐺) |
| hpgssplng.l | ⊢ 𝐿 = (LineG‘𝐺) |
| hpgssplng.e | ⊢ 𝐸 = (hlG‘𝐺) |
| hpgssplng.a | ⊢ (𝜑 → 𝐴 ∈ ran 𝐿) |
| hpgssplng.x | ⊢ (𝜑 → 𝑋 ∈ 𝑃) |
| hpgssplng.y | ⊢ (𝜑 → 𝑌 ∈ (𝑃 ∖ 𝐴)) |
| hpgssplng.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| hpgssplng.1 | ⊢ (𝜑 → 𝑋((hpG‘𝐺)‘𝐴)𝑌) |
| Ref | Expression |
|---|---|
| hpgssplng | ⊢ (𝜑 → 𝑋 ∈ (𝐴𝐸𝑌)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hpgssplng.1 | . . 3 ⊢ (𝜑 → 𝑋((hpG‘𝐺)‘𝐴)𝑌) | |
| 2 | 1 | 3mix2d 1354 | . 2 ⊢ (𝜑 → (𝑋 ∈ 𝐴 ∨ 𝑋((hpG‘𝐺)‘𝐴)𝑌 ∨ 𝑋{〈𝑎, 𝑏〉 ∣ ((𝑎 ∈ (𝑃 ∖ 𝐴) ∧ 𝑏 ∈ (𝑃 ∖ 𝐴)) ∧ ∃𝑡 ∈ 𝐴 𝑡 ∈ (𝑎(Itv‘𝐺)𝑏))}𝑌)) |
| 3 | hpgssplng.p | . . 3 ⊢ 𝑃 = (Base‘𝐺) | |
| 4 | eqid 2769 | . . 3 ⊢ (Itv‘𝐺) = (Itv‘𝐺) | |
| 5 | hpgssplng.l | . . 3 ⊢ 𝐿 = (LineG‘𝐺) | |
| 6 | hpgssplng.e | . . 3 ⊢ 𝐸 = (hlG‘𝐺) | |
| 7 | hpgssplng.g | . . 3 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 8 | hpgssplng.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ ran 𝐿) | |
| 9 | hpgssplng.y | . . 3 ⊢ (𝜑 → 𝑌 ∈ (𝑃 ∖ 𝐴)) | |
| 10 | eqid 2769 | . . 3 ⊢ {〈𝑎, 𝑏〉 ∣ ((𝑎 ∈ (𝑃 ∖ 𝐴) ∧ 𝑏 ∈ (𝑃 ∖ 𝐴)) ∧ ∃𝑡 ∈ 𝐴 𝑡 ∈ (𝑎(Itv‘𝐺)𝑏))} = {〈𝑎, 𝑏〉 ∣ ((𝑎 ∈ (𝑃 ∖ 𝐴) ∧ 𝑏 ∈ (𝑃 ∖ 𝐴)) ∧ ∃𝑡 ∈ 𝐴 𝑡 ∈ (𝑎(Itv‘𝐺)𝑏))} | |
| 11 | hpgssplng.x | . . 3 ⊢ (𝜑 → 𝑋 ∈ 𝑃) | |
| 12 | 3, 4, 5, 6, 7, 8, 9, 10, 11 | elplng 29016 | . 2 ⊢ (𝜑 → (𝑋 ∈ (𝐴𝐸𝑌) ↔ (𝑋 ∈ 𝐴 ∨ 𝑋((hpG‘𝐺)‘𝐴)𝑌 ∨ 𝑋{〈𝑎, 𝑏〉 ∣ ((𝑎 ∈ (𝑃 ∖ 𝐴) ∧ 𝑏 ∈ (𝑃 ∖ 𝐴)) ∧ ∃𝑡 ∈ 𝐴 𝑡 ∈ (𝑎(Itv‘𝐺)𝑏))}𝑌))) |
| 13 | 2, 12 | mpbird 260 | 1 ⊢ (𝜑 → 𝑋 ∈ (𝐴𝐸𝑌)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∨ w3o 1100 = wceq 1567 ∈ wcel 2149 ∃wrex 3095 ∖ cdif 3910 class class class wbr 5110 {copab 5174 ran crn 5660 ‘cfv 6533 (class class class)co 7408 Basecbs 17265 TarskiGcstrkg 28658 Itvcitv 28664 LineGclng 28665 hpGchpg 28994 hlGcplng 29009 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5239 ax-sep 5258 ax-nul 5268 ax-pow 5334 ax-pr 5402 ax-un 7730 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-iun 4959 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-ov 7411 df-oprab 7412 df-mpo 7413 df-1st 7982 df-2nd 7983 df-plng 29010 |
| This theorem is referenced by: prlngpln3 29148 prlngex 29150 prlngmolem2 29152 |
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