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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 2760 | . . 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 2760 | . . 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 29264 | . 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 1569 ∈ wcel 2144 ∃wrex 3086 ∖ cdif 4045 class class class wbr 5102 {copab 5166 ran crn 5651 ‘cfv 6539 (class class class)co 7421 Basecbs 17393 TarskiGcstrkg 28895 Itvcitv 28901 LineGclng 28902 hpGchpg 29241 hlGcplng 29257 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-ov 7424 df-oprab 7425 df-mpo 7426 df-1st 8002 df-2nd 8003 df-plng 29258 |
| This theorem is used by: dfprlng2 29431 prlngpln3 29433 prlngex 29435 prlngmolem2 29437 |
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