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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 2765 | . 2 ⊢ (Itv‘𝐺) = (Itv‘𝐺) | |
| 3 | eqid 2765 | . 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 2765 | . . . 4 ⊢ (pInvG‘𝐺) = (pInvG‘𝐺) | |
| 11 | ragraghl.3 | . . . 4 ⊢ (𝜑 → 〈“𝑌𝑋𝑍”〉 ∈ (∟G‘𝐺)) | |
| 12 | ragraghl.2 | . . . . 5 ⊢ (𝜑 → 𝑋 ≠ 𝑌) | |
| 13 | 12 | necomd 3015 | . . . 4 ⊢ (𝜑 → 𝑌 ≠ 𝑋) |
| 14 | 1, 2, 9, 4, 5, 6, 13 | tglinerflx2 28938 | . . . . . 6 ⊢ (𝜑 → 𝑋 ∈ (𝑌𝐿𝑋)) |
| 15 | eleq1w 2848 | . . . . . . . . . 10 ⊢ (𝑎 = 𝑐 → (𝑎 ∈ (𝑃 ∖ (𝑌𝐿𝑋)) ↔ 𝑐 ∈ (𝑃 ∖ (𝑌𝐿𝑋)))) | |
| 16 | eleq1w 2848 | . . . . . . . . . 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 7425 | . . . . . . . . . . . 12 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (𝑎(Itv‘𝐺)𝑏) = (𝑐(Itv‘𝐺)𝑑)) | |
| 19 | 18 | eleq2d 2851 | . . . . . . . . . . 11 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (𝑠 ∈ (𝑎(Itv‘𝐺)𝑏) ↔ 𝑠 ∈ (𝑐(Itv‘𝐺)𝑑))) |
| 20 | 19 | rexbidv 3191 | . . . . . . . . . 10 ⊢ ((𝑎 = 𝑐 ∧ 𝑏 = 𝑑) → (∃𝑠 ∈ (𝑌𝐿𝑋)𝑠 ∈ (𝑎(Itv‘𝐺)𝑏) ↔ ∃𝑠 ∈ (𝑌𝐿𝑋)𝑠 ∈ (𝑐(Itv‘𝐺)𝑑))) |
| 21 | eleq1w 2848 | . . . . . . . . . . 11 ⊢ (𝑠 = 𝑡 → (𝑠 ∈ (𝑐(Itv‘𝐺)𝑑) ↔ 𝑡 ∈ (𝑐(Itv‘𝐺)𝑑))) | |
| 22 | 21 | cbvrexvw 3246 | . . . . . . . . . 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 5186 | . . . . . . 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 28934 | . . . . . . 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 29074 | . . . . . 6 ⊢ (𝜑 → ¬ 𝑍 ∈ (𝑌𝐿𝑋)) |
| 29 | nelne2 3058 | . . . . . 6 ⊢ ((𝑋 ∈ (𝑌𝐿𝑋) ∧ ¬ 𝑍 ∈ (𝑌𝐿𝑋)) → 𝑋 ≠ 𝑍) | |
| 30 | 14, 28, 29 | syl2anc 596 | . . . . 5 ⊢ (𝜑 → 𝑋 ≠ 𝑍) |
| 31 | 30 | necomd 3015 | . . . 4 ⊢ (𝜑 → 𝑍 ≠ 𝑋) |
| 32 | 1, 3, 2, 9, 10, 4, 5, 6, 7, 11, 13, 31 | ragncol 29020 | . . 3 ⊢ (𝜑 → ¬ (𝑍 ∈ (𝑌𝐿𝑋) ∨ 𝑌 = 𝑋)) |
| 33 | 1, 9, 2, 4, 5, 6, 7, 32 | ncolrot1 28862 | . 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 29075 | . . . . . 6 ⊢ (𝜑 → ¬ 𝑊 ∈ (𝑌𝐿𝑋)) |
| 36 | nelne2 3058 | . . . . . 6 ⊢ ((𝑋 ∈ (𝑌𝐿𝑋) ∧ ¬ 𝑊 ∈ (𝑌𝐿𝑋)) → 𝑋 ≠ 𝑊) | |
| 37 | 14, 35, 36 | syl2anc 596 | . . . . 5 ⊢ (𝜑 → 𝑋 ≠ 𝑊) |
| 38 | 37 | necomd 3015 | . . . 4 ⊢ (𝜑 → 𝑊 ≠ 𝑋) |
| 39 | 1, 3, 2, 9, 10, 4, 5, 6, 8, 34, 13, 38 | ragncol 29020 | . . 3 ⊢ (𝜑 → ¬ (𝑊 ∈ (𝑌𝐿𝑋) ∨ 𝑌 = 𝑋)) |
| 40 | 1, 9, 2, 4, 5, 6, 8, 39 | ncolrot1 28862 | . 2 ⊢ (𝜑 → ¬ (𝑌 ∈ (𝑋𝐿𝑊) ∨ 𝑋 = 𝑊)) |
| 41 | eqid 2765 | . 2 ⊢ (hlG‘𝐺) = (hlG‘𝐺) | |
| 42 | 1, 2, 4, 41, 5, 6, 7, 13, 30 | cgraid 29161 | . 2 ⊢ (𝜑 → 〈“𝑌𝑋𝑍”〉(cgrA‘𝐺)〈“𝑌𝑋𝑍”〉) |
| 43 | 1, 4, 5, 6, 7, 5, 6, 8, 11, 34, 13, 37, 13, 30 | ragcgra 29177 | . 2 ⊢ (𝜑 → 〈“𝑌𝑋𝑍”〉(cgrA‘𝐺)〈“𝑌𝑋𝑊”〉) |
| 44 | 1, 2, 9, 4, 26, 8, 25, 35 | hpgid 29079 | . 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 29176 | 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 2146 ≠ wne 2960 ∃wrex 3091 ∖ cdif 3903 class class class wbr 5111 {copab 5175 ‘cfv 6540 (class class class)co 7416 〈“cs3 14899 Basecbs 17287 distcds 17337 TarskiGcstrkg 28727 Itvcitv 28733 LineGclng 28734 hlGchlg 28900 pInvGcmir 28960 ∟Gcrag 29004 hpGchpg 29070 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7738 ax-cnex 11167 ax-resscn 11168 ax-1cn 11169 ax-icn 11170 ax-addcl 11171 ax-addrcl 11172 ax-mulcl 11173 ax-mulrcl 11174 ax-mulcom 11175 ax-addass 11176 ax-mulass 11177 ax-distr 11178 ax-i2m1 11179 ax-1ne0 11180 ax-1rid 11181 ax-rnegex 11182 ax-rrecex 11183 ax-cnre 11184 ax-pre-lttri 11185 ax-pre-lttrn 11186 ax-pre-ltadd 11187 ax-pre-mulgt0 11188 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-tp 4596 df-op 4598 df-uni 4875 df-int 4915 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 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 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7865 df-1st 7988 df-2nd 7989 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-1o 8455 df-oadd 8459 df-er 8696 df-map 8828 df-pm 8829 df-en 8946 df-dom 8947 df-sdom 8948 df-fin 8949 df-dju 9899 df-card 9937 df-pnf 11256 df-mnf 11257 df-xr 11258 df-ltxr 11259 df-le 11260 df-sub 11454 df-neg 11455 df-nn 12245 df-2 12314 df-3 12315 df-n0 12516 df-xnn0 12589 df-z 12603 df-uz 12875 df-fz 13548 df-fzo 13696 df-hash 14381 df-word 14565 df-concat 14622 df-s1 14649 df-s2 14905 df-s3 14906 df-trkgc 28748 df-trkgb 28749 df-trkgcb 28750 df-trkgld 28752 df-trkg 28753 df-cgrg 28811 df-ismt 28833 df-leg 28883 df-hlg 28901 df-mir 28961 df-rag 29005 df-perpg 29007 df-hpg 29071 df-mid 29114 df-lmi 29115 df-cgra 29150 |
| This theorem is used by: perpeqlem 29181 |
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