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| Mirrors > Home > MPE Home > Th. List > ragraghl | Structured version Visualization version GIF version | ||
| Description: Drawing two right angles at a point 𝑋 on the same side of a line (𝑋𝐿𝑌) leads to points 𝑊 and 𝑍 on the same ray from 𝑋. Theorem 11.19 of [Schwabhauser] p. 99. (Contributed by Thierry Arnoux, 5-Jul-2026.) |
| Ref | Expression |
|---|---|
| ragraghl.p | ⊢ 𝑃 = (Base‘𝐺) |
| ragraghl.l | ⊢ 𝐿 = (LineG‘𝐺) |
| ragraghl.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| ragraghl.x | ⊢ (𝜑 → 𝑋 ∈ 𝑃) |
| ragraghl.y | ⊢ (𝜑 → 𝑌 ∈ 𝑃) |
| ragraghl.z | ⊢ (𝜑 → 𝑍 ∈ 𝑃) |
| ragraghl.1 | ⊢ (𝜑 → 𝑊 ∈ 𝑃) |
| ragraghl.2 | ⊢ (𝜑 → 𝑋 ≠ 𝑌) |
| ragraghl.3 | ⊢ (𝜑 → 〈“𝑌𝑋𝑍”〉 ∈ (∟G‘𝐺)) |
| ragraghl.4 | ⊢ (𝜑 → 〈“𝑌𝑋𝑊”〉 ∈ (∟G‘𝐺)) |
| ragraghl.5 | ⊢ (𝜑 → 𝑍((hpG‘𝐺)‘(𝑌𝐿𝑋))𝑊) |
| Ref | Expression |
|---|---|
| ragraghl | ⊢ (𝜑 → 𝑍((hlG‘𝐺)‘𝑋)𝑊) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ragraghl.p | . 2 ⊢ 𝑃 = (Base‘𝐺) | |
| 2 | eqid 2763 | . 2 ⊢ (Itv‘𝐺) = (Itv‘𝐺) | |
| 3 | eqid 2763 | . 2 ⊢ (dist‘𝐺) = (dist‘𝐺) | |
| 4 | ragraghl.g | . 2 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 5 | ragraghl.y | . 2 ⊢ (𝜑 → 𝑌 ∈ 𝑃) | |
| 6 | ragraghl.x | . 2 ⊢ (𝜑 → 𝑋 ∈ 𝑃) | |
| 7 | ragraghl.z | . 2 ⊢ (𝜑 → 𝑍 ∈ 𝑃) | |
| 8 | ragraghl.1 | . 2 ⊢ (𝜑 → 𝑊 ∈ 𝑃) | |
| 9 | ragraghl.l | . 2 ⊢ 𝐿 = (LineG‘𝐺) | |
| 10 | eqid 2763 | . . . 4 ⊢ (pInvG‘𝐺) = (pInvG‘𝐺) | |
| 11 | ragraghl.3 | . . . 4 ⊢ (𝜑 → 〈“𝑌𝑋𝑍”〉 ∈ (∟G‘𝐺)) | |
| 12 | ragraghl.2 | . . . . 5 ⊢ (𝜑 → 𝑋 ≠ 𝑌) | |
| 13 | 12 | necomd 3013 | . . . 4 ⊢ (𝜑 → 𝑌 ≠ 𝑋) |
| 14 | 1, 2, 9, 4, 5, 6, 13 | tglinerflx2 28888 | . . . . . 6 ⊢ (𝜑 → 𝑋 ∈ (𝑌𝐿𝑋)) |
| 15 | eleq1w 2846 | . . . . . . . . . 10 ⊢ (𝑎 = 𝑐 → (𝑎 ∈ (𝑃 ∖ (𝑌𝐿𝑋)) ↔ 𝑐 ∈ (𝑃 ∖ (𝑌𝐿𝑋)))) | |
| 16 | eleq1w 2846 | . . . . . . . . . 10 ⊢ (𝑏 = 𝑑 → (𝑏 ∈ (𝑃 ∖ (𝑌𝐿𝑋)) ↔ 𝑑 ∈ (𝑃 ∖ (𝑌𝐿𝑋)))) | |
| 17 | 15, 16 | bi2anan9 649 | . . . . . . . . 9 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → ((𝑎 ∈ (𝑃 ∖ (𝑌𝐿𝑋)) ∧ 𝑏 ∈ (𝑃 ∖ (𝑌𝐿𝑋))) ↔ (𝑐 ∈ (𝑃 ∖ (𝑌𝐿𝑋)) ∧ 𝑑 ∈ (𝑃 ∖ (𝑌𝐿𝑋))))) |
| 18 | oveq12 7421 | . . . . . . . . . . . 12 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (𝑎(Itv‘𝐺)𝑏) = (𝑐(Itv‘𝐺)𝑑)) | |
| 19 | 18 | eleq2d 2849 | . . . . . . . . . . 11 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (𝑠 ∈ (𝑎(Itv‘𝐺)𝑏) ↔ 𝑠 ∈ (𝑐(Itv‘𝐺)𝑑))) |
| 20 | 19 | rexbidv 3189 | . . . . . . . . . 10 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (∃𝑠 ∈ (𝑌𝐿𝑋)𝑠 ∈ (𝑎(Itv‘𝐺)𝑏) ↔ ∃𝑠 ∈ (𝑌𝐿𝑋)𝑠 ∈ (𝑐(Itv‘𝐺)𝑑))) |
| 21 | eleq1w 2846 | . . . . . . . . . . 11 ⊢ (𝑠 = 𝑡 → (𝑠 ∈ (𝑐(Itv‘𝐺)𝑑) ↔ 𝑡 ∈ (𝑐(Itv‘𝐺)𝑑))) | |
| 22 | 21 | cbvrexvw 3244 | . . . . . . . . . 10 ⊢ (∃𝑠 ∈ (𝑌𝐿𝑋)𝑠 ∈ (𝑐(Itv‘𝐺)𝑑) ↔ ∃𝑡 ∈ (𝑌𝐿𝑋)𝑡 ∈ (𝑐(Itv‘𝐺)𝑑)) |
| 23 | 20, 22 | bitrdi 290 | . . . . . . . . 9 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (∃𝑠 ∈ (𝑌𝐿𝑋)𝑠 ∈ (𝑎(Itv‘𝐺)𝑏) ↔ ∃𝑡 ∈ (𝑌𝐿𝑋)𝑡 ∈ (𝑐(Itv‘𝐺)𝑑))) |
| 24 | 17, 23 | anbi12d 643 | . . . . . . . 8 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (((𝑎 ∈ (𝑃 ∖ (𝑌𝐿𝑋)) ∧ 𝑏 ∈ (𝑃 ∖ (𝑌𝐿𝑋))) ∧ ∃𝑠 ∈ (𝑌𝐿𝑋)𝑠 ∈ (𝑎(Itv‘𝐺)𝑏)) ↔ ((𝑐 ∈ (𝑃 ∖ (𝑌𝐿𝑋)) ∧ 𝑑 ∈ (𝑃 ∖ (𝑌𝐿𝑋))) ∧ ∃𝑡 ∈ (𝑌𝐿𝑋)𝑡 ∈ (𝑐(Itv‘𝐺)𝑑)))) |
| 25 | 24 | cbvopabv 5185 | . . . . . . 7 ⊢ {〈𝑎, 𝑏〉 ∣ ((𝑎 ∈ (𝑃 ∖ (𝑌𝐿𝑋)) ∧ 𝑏 ∈ (𝑃 ∖ (𝑌𝐿𝑋))) ∧ ∃𝑠 ∈ (𝑌𝐿𝑋)𝑠 ∈ (𝑎(Itv‘𝐺)𝑏))} = {〈𝑐, 𝑑〉 ∣ ((𝑐 ∈ (𝑃 ∖ (𝑌𝐿𝑋)) ∧ 𝑑 ∈ (𝑃 ∖ (𝑌𝐿𝑋))) ∧ ∃𝑡 ∈ (𝑌𝐿𝑋)𝑡 ∈ (𝑐(Itv‘𝐺)𝑑))} |
| 26 | 1, 2, 9, 4, 5, 6, 13 | tgelrnln 28884 | . . . . . . 7 ⊢ (𝜑 → (𝑌𝐿𝑋) ∈ ran 𝐿) |
| 27 | ragraghl.5 | . . . . . . 7 ⊢ (𝜑 → 𝑍((hpG‘𝐺)‘(𝑌𝐿𝑋))𝑊) | |
| 28 | 1, 2, 9, 25, 4, 26, 7, 8, 27 | hpgne1 29024 | . . . . . 6 ⊢ (𝜑 → ¬ 𝑍 ∈ (𝑌𝐿𝑋)) |
| 29 | nelne2 3056 | . . . . . 6 ⊢ ((𝑋 ∈ (𝑌𝐿𝑋) ∧ ¬ 𝑍 ∈ (𝑌𝐿𝑋)) → 𝑋 ≠ 𝑍) | |
| 30 | 14, 28, 29 | syl2anc 595 | . . . . 5 ⊢ (𝜑 → 𝑋 ≠ 𝑍) |
| 31 | 30 | necomd 3013 | . . . 4 ⊢ (𝜑 → 𝑍 ≠ 𝑋) |
| 32 | 1, 3, 2, 9, 10, 4, 5, 6, 7, 11, 13, 31 | ragncol 28970 | . . 3 ⊢ (𝜑 → ¬ (𝑍 ∈ (𝑌𝐿𝑋) ∨ 𝑌 = 𝑋)) |
| 33 | 1, 9, 2, 4, 5, 6, 7, 32 | ncolrot1 28812 | . 2 ⊢ (𝜑 → ¬ (𝑌 ∈ (𝑋𝐿𝑍) ∨ 𝑋 = 𝑍)) |
| 34 | ragraghl.4 | . . . 4 ⊢ (𝜑 → 〈“𝑌𝑋𝑊”〉 ∈ (∟G‘𝐺)) | |
| 35 | 1, 2, 9, 25, 4, 26, 7, 8, 27 | hpgne2 29025 | . . . . . 6 ⊢ (𝜑 → ¬ 𝑊 ∈ (𝑌𝐿𝑋)) |
| 36 | nelne2 3056 | . . . . . 6 ⊢ ((𝑋 ∈ (𝑌𝐿𝑋) ∧ ¬ 𝑊 ∈ (𝑌𝐿𝑋)) → 𝑋 ≠ 𝑊) | |
| 37 | 14, 35, 36 | syl2anc 595 | . . . . 5 ⊢ (𝜑 → 𝑋 ≠ 𝑊) |
| 38 | 37 | necomd 3013 | . . . 4 ⊢ (𝜑 → 𝑊 ≠ 𝑋) |
| 39 | 1, 3, 2, 9, 10, 4, 5, 6, 8, 34, 13, 38 | ragncol 28970 | . . 3 ⊢ (𝜑 → ¬ (𝑊 ∈ (𝑌𝐿𝑋) ∨ 𝑌 = 𝑋)) |
| 40 | 1, 9, 2, 4, 5, 6, 8, 39 | ncolrot1 28812 | . 2 ⊢ (𝜑 → ¬ (𝑌 ∈ (𝑋𝐿𝑊) ∨ 𝑋 = 𝑊)) |
| 41 | eqid 2763 | . 2 ⊢ (hlG‘𝐺) = (hlG‘𝐺) | |
| 42 | 1, 2, 4, 41, 5, 6, 7, 13, 30 | cgraid 29111 | . 2 ⊢ (𝜑 → 〈“𝑌𝑋𝑍”〉(cgrA‘𝐺)〈“𝑌𝑋𝑍”〉) |
| 43 | 1, 4, 5, 6, 7, 5, 6, 8, 11, 34, 13, 37, 13, 30 | ragcgra 29127 | . 2 ⊢ (𝜑 → 〈“𝑌𝑋𝑍”〉(cgrA‘𝐺)〈“𝑌𝑋𝑊”〉) |
| 44 | 1, 2, 9, 4, 26, 8, 25, 35 | hpgid 29029 | . 2 ⊢ (𝜑 → 𝑊((hpG‘𝐺)‘(𝑌𝐿𝑋))𝑊) |
| 45 | 1, 2, 3, 4, 5, 6, 7, 5, 6, 8, 9, 33, 40, 7, 8, 41, 42, 43, 27, 44 | acopyeu 29126 | 1 ⊢ (𝜑 → 𝑍((hlG‘𝐺)‘𝑋)𝑊) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 400 = wceq 1570 ∈ wcel 2143 ≠ wne 2958 ∃wrex 3089 ∖ cdif 3903 class class class wbr 5110 {copab 5174 ‘cfv 6538 (class class class)co 7412 〈“cs3 14881 Basecbs 17270 distcds 17320 TarskiGcstrkg 28677 Itvcitv 28683 LineGclng 28684 hlGchlg 28850 pInvGcmir 28910 ∟Gcrag 28954 hpGchpg 29020 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5239 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 ax-un 7734 ax-cnex 11157 ax-resscn 11158 ax-1cn 11159 ax-icn 11160 ax-addcl 11161 ax-addrcl 11162 ax-mulcl 11163 ax-mulrcl 11164 ax-mulcom 11165 ax-addass 11166 ax-mulass 11167 ax-distr 11168 ax-i2m1 11169 ax-1ne0 11170 ax-1rid 11171 ax-rnegex 11172 ax-rrecex 11173 ax-cnre 11174 ax-pre-lttri 11175 ax-pre-lttrn 11176 ax-pre-ltadd 11177 ax-pre-mulgt0 11178 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-tp 4595 df-op 4597 df-uni 4874 df-int 4914 df-iun 4959 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7864 df-1st 7987 df-2nd 7988 df-frecs 8279 df-wrecs 8310 df-recs 8359 df-rdg 8398 df-1o 8454 df-oadd 8458 df-er 8695 df-map 8827 df-pm 8828 df-en 8945 df-dom 8946 df-sdom 8947 df-fin 8948 df-dju 9888 df-card 9926 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11444 df-neg 11445 df-nn 12235 df-2 12304 df-3 12305 df-n0 12506 df-xnn0 12579 df-z 12593 df-uz 12864 df-fz 13537 df-fzo 13685 df-hash 14369 df-word 14553 df-concat 14610 df-s1 14636 df-s2 14887 df-s3 14888 df-trkgc 28698 df-trkgb 28699 df-trkgcb 28700 df-trkgld 28702 df-trkg 28703 df-cgrg 28761 df-ismt 28783 df-leg 28833 df-hlg 28851 df-mir 28911 df-rag 28955 df-perpg 28957 df-hpg 29021 df-mid 29064 df-lmi 29065 df-cgra 29100 |
| This theorem is referenced by: perpeqlem 29131 |
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