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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 3014 | . . . 4 ⊢ (𝜑 → 𝑌 ≠ 𝑋) |
| 14 | 1, 2, 9, 4, 5, 6, 13 | tglinerflx2 29159 | . . . . . 6 ⊢ (𝜑 → 𝑋 ∈ (𝑌𝐿𝑋)) |
| 15 | eleq1w 2847 | . . . . . . . . . 10 ⊢ (𝑎 = 𝑐 → (𝑎 ∈ (𝑃 ∖ (𝑌𝐿𝑋)) ↔ 𝑐 ∈ (𝑃 ∖ (𝑌𝐿𝑋)))) | |
| 16 | eleq1w 2847 | . . . . . . . . . 10 ⊢ (𝑏 = 𝑑 → (𝑏 ∈ (𝑃 ∖ (𝑌𝐿𝑋)) ↔ 𝑑 ∈ (𝑃 ∖ (𝑌𝐿𝑋)))) | |
| 17 | 15, 16 | bi2anan9 650 | . . . . . . . . 9 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → ((𝑎 ∈ (𝑃 ∖ (𝑌𝐿𝑋)) ∧ 𝑏 ∈ (𝑃 ∖ (𝑌𝐿𝑋))) ↔ (𝑐 ∈ (𝑃 ∖ (𝑌𝐿𝑋)) ∧ 𝑑 ∈ (𝑃 ∖ (𝑌𝐿𝑋))))) |
| 18 | oveq12 7460 | . . . . . . . . . . . 12 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (𝑎(Itv‘𝐺)𝑏) = (𝑐(Itv‘𝐺)𝑑)) | |
| 19 | 18 | eleq2d 2850 | . . . . . . . . . . 11 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (𝑠 ∈ (𝑎(Itv‘𝐺)𝑏) ↔ 𝑠 ∈ (𝑐(Itv‘𝐺)𝑑))) |
| 20 | 19 | rexbidv 3190 | . . . . . . . . . 10 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (∃𝑠 ∈ (𝑌𝐿𝑋)𝑠 ∈ (𝑎(Itv‘𝐺)𝑏) ↔ ∃𝑠 ∈ (𝑌𝐿𝑋)𝑠 ∈ (𝑐(Itv‘𝐺)𝑑))) |
| 21 | eleq1w 2847 | . . . . . . . . . . 11 ⊢ (𝑠 = 𝑡 → (𝑠 ∈ (𝑐(Itv‘𝐺)𝑑) ↔ 𝑡 ∈ (𝑐(Itv‘𝐺)𝑑))) | |
| 22 | 21 | cbvrexvw 3245 | . . . . . . . . . 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 644 | . . . . . . . 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 5184 | . . . . . . 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 29155 | . . . . . . 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 29296 | . . . . . 6 ⊢ (𝜑 → ¬ 𝑍 ∈ (𝑌𝐿𝑋)) |
| 29 | nelne2 3057 | . . . . . 6 ⊢ ((𝑋 ∈ (𝑌𝐿𝑋) ∧ ¬ 𝑍 ∈ (𝑌𝐿𝑋)) → 𝑋 ≠ 𝑍) | |
| 30 | 14, 28, 29 | syl2anc 596 | . . . . 5 ⊢ (𝜑 → 𝑋 ≠ 𝑍) |
| 31 | 30 | necomd 3014 | . . . 4 ⊢ (𝜑 → 𝑍 ≠ 𝑋) |
| 32 | 1, 3, 2, 9, 10, 4, 5, 6, 7, 11, 13, 31 | ragncol 29241 | . . 3 ⊢ (𝜑 → ¬ (𝑍 ∈ (𝑌𝐿𝑋) ∨ 𝑌 = 𝑋)) |
| 33 | 1, 9, 2, 4, 5, 6, 7, 32 | ncolrot1 29082 | . 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 29297 | . . . . . 6 ⊢ (𝜑 → ¬ 𝑊 ∈ (𝑌𝐿𝑋)) |
| 36 | nelne2 3057 | . . . . . 6 ⊢ ((𝑋 ∈ (𝑌𝐿𝑋) ∧ ¬ 𝑊 ∈ (𝑌𝐿𝑋)) → 𝑋 ≠ 𝑊) | |
| 37 | 14, 35, 36 | syl2anc 596 | . . . . 5 ⊢ (𝜑 → 𝑋 ≠ 𝑊) |
| 38 | 37 | necomd 3014 | . . . 4 ⊢ (𝜑 → 𝑊 ≠ 𝑋) |
| 39 | 1, 3, 2, 9, 10, 4, 5, 6, 8, 34, 13, 38 | ragncol 29241 | . . 3 ⊢ (𝜑 → ¬ (𝑊 ∈ (𝑌𝐿𝑋) ∨ 𝑌 = 𝑋)) |
| 40 | 1, 9, 2, 4, 5, 6, 8, 39 | ncolrot1 29082 | . 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 29383 | . 2 ⊢ (𝜑 → 〈“𝑌𝑋𝑍”〉(cgrA‘𝐺)〈“𝑌𝑋𝑍”〉) |
| 43 | 1, 4, 5, 6, 7, 5, 6, 8, 11, 34, 13, 37, 13, 30 | ragcgra 29400 | . 2 ⊢ (𝜑 → 〈“𝑌𝑋𝑍”〉(cgrA‘𝐺)〈“𝑌𝑋𝑊”〉) |
| 44 | 1, 2, 9, 4, 26, 8, 25, 35 | hpgid 29301 | . 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 29399 | 1 ⊢ (𝜑 → 𝑍((hlG‘𝐺)‘𝑋)𝑊) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2147 ≠ wne 2959 ∃wrex 3090 ∖ cdif 4048 class class class wbr 5108 {copab 5173 ‘cfv 6566 (class class class)co 7451 〈“cs3 15035 Basecbs 17431 distcds 17481 TarskiGcstrkg 28946 Itvcitv 28952 LineGclng 28953 hlGchlg 29120 pInvGcmir 29181 ∟Gcrag 29225 hpGchpg 29292 |
| 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 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 |
| 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-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 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-tp 4593 df-op 4841 df-uni 4873 df-int 4913 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-we 5613 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-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 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-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-om 7912 df-1st 8035 df-2nd 8036 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-1o 8514 df-oadd 8518 df-er 8755 df-map 8887 df-pm 8888 df-en 9012 df-dom 9013 df-sdom 9014 df-fin 9015 df-dju 10019 df-card 10057 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-nn 12376 df-2 12445 df-3 12446 df-n0 12647 df-xnn0 12720 df-z 12734 df-uz 13006 df-fz 13680 df-fzo 13829 df-hash 14516 df-word 14700 df-concat 14757 df-s1 14784 df-s2 15041 df-s3 15042 df-trkgc 28967 df-trkgb 28968 df-trkgcb 28969 df-trkgld 28971 df-trkg 28972 df-cgrg 29031 df-ismt 29053 df-leg 29103 df-hlg 29121 df-mir 29182 df-rag 29226 df-perpg 29228 df-hpg 29293 df-mid 29336 df-lmi 29337 df-cgra 29372 |
| This theorem is used by: perpeqlem 29404 |
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