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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 1356 | . 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 2763 | . . 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 2763 | . . 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 29315 | . 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 |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∨ w3o 1102 = wceq 1570 ∈ wcel 2147 ∃wrex 3090 ∖ cdif 4048 class class class wbr 5108 {copab 5173 ran crn 5659 ‘cfv 6566 (class class class)co 7451 Basecbs 17431 TarskiGcstrkg 28946 Itvcitv 28952 LineGclng 28953 hpGchpg 29292 hlGcplng 29308 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-ov 7454 df-oprab 7455 df-mpo 7456 df-1st 8035 df-2nd 8036 df-plng 29309 |
| This theorem is used by: dfprlng2 29482 prlngpln3 29484 prlngex 29486 prlngmolem2 29488 |
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