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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 2761 | . . 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 2761 | . . 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 29251 | . 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 2145 ∃wrex 3087 ∖ cdif 3896 class class class wbr 5103 {copab 5167 ran crn 5652 ‘cfv 6537 (class class class)co 7418 Basecbs 17380 TarskiGcstrkg 28882 Itvcitv 28888 LineGclng 28889 hpGchpg 29228 hlGcplng 29244 |
| 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 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-ov 7421 df-oprab 7422 df-mpo 7423 df-1st 7999 df-2nd 8000 df-plng 29245 |
| This theorem is used by: dfprlng2 29418 prlngpln3 29420 prlngex 29422 prlngmolem2 29424 |
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