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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 2769 | . 2 ⊢ (Itv‘𝐺) = (Itv‘𝐺) | |
| 3 | eqid 2769 | . 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 2769 | . . . 4 ⊢ (pInvG‘𝐺) = (pInvG‘𝐺) | |
| 11 | ragraghl.3 | . . . 4 ⊢ (𝜑 → 〈“𝑌𝑋𝑍”〉 ∈ (∟G‘𝐺)) | |
| 12 | ragraghl.2 | . . . . 5 ⊢ (𝜑 → 𝑋 ≠ 𝑌) | |
| 13 | 12 | necomd 3019 | . . . 4 ⊢ (𝜑 → 𝑌 ≠ 𝑋) |
| 14 | 1, 2, 9, 4, 5, 6, 13 | tglinerflx2 28865 | . . . . . 6 ⊢ (𝜑 → 𝑋 ∈ (𝑌𝐿𝑋)) |
| 15 | eleq1w 2852 | . . . . . . . . . 10 ⊢ (𝑎 = 𝑐 → (𝑎 ∈ (𝑃 ∖ (𝑌𝐿𝑋)) ↔ 𝑐 ∈ (𝑃 ∖ (𝑌𝐿𝑋)))) | |
| 16 | eleq1w 2852 | . . . . . . . . . 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 7417 | . . . . . . . . . . . 12 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (𝑎(Itv‘𝐺)𝑏) = (𝑐(Itv‘𝐺)𝑑)) | |
| 19 | 18 | eleq2d 2855 | . . . . . . . . . . 11 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (𝑠 ∈ (𝑎(Itv‘𝐺)𝑏) ↔ 𝑠 ∈ (𝑐(Itv‘𝐺)𝑑))) |
| 20 | 19 | rexbidv 3195 | . . . . . . . . . 10 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (∃𝑠 ∈ (𝑌𝐿𝑋)𝑠 ∈ (𝑎(Itv‘𝐺)𝑏) ↔ ∃𝑠 ∈ (𝑌𝐿𝑋)𝑠 ∈ (𝑐(Itv‘𝐺)𝑑))) |
| 21 | eleq1w 2852 | . . . . . . . . . . 11 ⊢ (𝑠 = 𝑡 → (𝑠 ∈ (𝑐(Itv‘𝐺)𝑑) ↔ 𝑡 ∈ (𝑐(Itv‘𝐺)𝑑))) | |
| 22 | 21 | cbvrexvw 3250 | . . . . . . . . . 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 28861 | . . . . . . 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 28998 | . . . . . 6 ⊢ (𝜑 → ¬ 𝑍 ∈ (𝑌𝐿𝑋)) |
| 29 | nelne2 3062 | . . . . . 6 ⊢ ((𝑋 ∈ (𝑌𝐿𝑋) ∧ ¬ 𝑍 ∈ (𝑌𝐿𝑋)) → 𝑋 ≠ 𝑍) | |
| 30 | 14, 28, 29 | syl2anc 595 | . . . . 5 ⊢ (𝜑 → 𝑋 ≠ 𝑍) |
| 31 | 30 | necomd 3019 | . . . 4 ⊢ (𝜑 → 𝑍 ≠ 𝑋) |
| 32 | 1, 3, 2, 9, 10, 4, 5, 6, 7, 11, 13, 31 | ragncol 28944 | . . 3 ⊢ (𝜑 → ¬ (𝑍 ∈ (𝑌𝐿𝑋) ∨ 𝑌 = 𝑋)) |
| 33 | 1, 9, 2, 4, 5, 6, 7, 32 | ncolrot1 28793 | . 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 28999 | . . . . . 6 ⊢ (𝜑 → ¬ 𝑊 ∈ (𝑌𝐿𝑋)) |
| 36 | nelne2 3062 | . . . . . 6 ⊢ ((𝑋 ∈ (𝑌𝐿𝑋) ∧ ¬ 𝑊 ∈ (𝑌𝐿𝑋)) → 𝑋 ≠ 𝑊) | |
| 37 | 14, 35, 36 | syl2anc 595 | . . . . 5 ⊢ (𝜑 → 𝑋 ≠ 𝑊) |
| 38 | 37 | necomd 3019 | . . . 4 ⊢ (𝜑 → 𝑊 ≠ 𝑋) |
| 39 | 1, 3, 2, 9, 10, 4, 5, 6, 8, 34, 13, 38 | ragncol 28944 | . . 3 ⊢ (𝜑 → ¬ (𝑊 ∈ (𝑌𝐿𝑋) ∨ 𝑌 = 𝑋)) |
| 40 | 1, 9, 2, 4, 5, 6, 8, 39 | ncolrot1 28793 | . 2 ⊢ (𝜑 → ¬ (𝑌 ∈ (𝑋𝐿𝑊) ∨ 𝑋 = 𝑊)) |
| 41 | eqid 2769 | . 2 ⊢ (hlG‘𝐺) = (hlG‘𝐺) | |
| 42 | 1, 2, 4, 41, 5, 6, 7, 13, 30 | cgraid 29083 | . 2 ⊢ (𝜑 → 〈“𝑌𝑋𝑍”〉(cgrA‘𝐺)〈“𝑌𝑋𝑍”〉) |
| 43 | 1, 4, 5, 6, 7, 5, 6, 8, 11, 34, 13, 37, 13, 30 | ragcgra 29099 | . 2 ⊢ (𝜑 → 〈“𝑌𝑋𝑍”〉(cgrA‘𝐺)〈“𝑌𝑋𝑊”〉) |
| 44 | 1, 2, 9, 4, 26, 8, 25, 35 | hpgid 29003 | . 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 29098 | 1 ⊢ (𝜑 → 𝑍((hlG‘𝐺)‘𝑋)𝑊) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 400 = wceq 1567 ∈ wcel 2149 ≠ wne 2964 ∃wrex 3095 ∖ cdif 3910 class class class wbr 5110 {copab 5174 ‘cfv 6533 (class class class)co 7408 〈“cs3 14875 Basecbs 17265 distcds 17315 TarskiGcstrkg 28658 Itvcitv 28664 LineGclng 28665 hlGchlg 28831 pInvGcmir 28887 ∟Gcrag 28928 hpGchpg 28994 |
| 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 ax-cnex 11152 ax-resscn 11153 ax-1cn 11154 ax-icn 11155 ax-addcl 11156 ax-addrcl 11157 ax-mulcl 11158 ax-mulrcl 11159 ax-mulcom 11160 ax-addass 11161 ax-mulass 11162 ax-distr 11163 ax-i2m1 11164 ax-1ne0 11165 ax-1rid 11166 ax-rnegex 11167 ax-rrecex 11168 ax-cnre 11169 ax-pre-lttri 11170 ax-pre-lttrn 11171 ax-pre-ltadd 11172 ax-pre-mulgt0 11173 |
| 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-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 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-pss 3933 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-tp 4596 df-op 4598 df-uni 4874 df-int 4914 df-iun 4959 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 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-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 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-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7859 df-1st 7982 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-1o 8449 df-oadd 8453 df-er 8690 df-map 8822 df-pm 8823 df-en 8940 df-dom 8941 df-sdom 8942 df-fin 8943 df-dju 9883 df-card 9921 df-pnf 11241 df-mnf 11242 df-xr 11243 df-ltxr 11244 df-le 11245 df-sub 11439 df-neg 11440 df-nn 12230 df-2 12299 df-3 12300 df-n0 12501 df-xnn0 12574 df-z 12588 df-uz 12859 df-fz 13532 df-fzo 13679 df-hash 14363 df-word 14547 df-concat 14604 df-s1 14630 df-s2 14881 df-s3 14882 df-trkgc 28679 df-trkgb 28680 df-trkgcb 28681 df-trkgld 28683 df-trkg 28684 df-cgrg 28742 df-ismt 28764 df-leg 28814 df-hlg 28832 df-mir 28888 df-rag 28929 df-perpg 28931 df-hpg 28995 df-mid 29037 df-lmi 29038 df-cgra 29072 |
| This theorem is referenced by: perpeqlem 29101 |
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