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| Mirrors > Home > MPE Home > Th. List > plngmiropp | Structured version Visualization version GIF version | ||
| Description: Given a line 𝐴 and a point 𝑋 not on 𝐴, then a point 𝑌 on the plane defined by 𝐴 and 𝑋 is either opposite to 𝑋, or opposite to the mirror point of 𝑋 by any point 𝑍 of 𝐴. (Contributed by Thierry Arnoux, 5-Jul-2026.) |
| Ref | Expression |
|---|---|
| plngmiropp.p | ⊢ 𝑃 = (Base‘𝐺) |
| plngmiropp.i | ⊢ 𝐼 = (Itv‘𝐺) |
| plngmiropp.l | ⊢ 𝐿 = (LineG‘𝐺) |
| plngmiropp.e | ⊢ 𝐸 = (hlG‘𝐺) |
| plngmiropp.s | ⊢ 𝑆 = (pInvG‘𝐺) |
| plngmiropp.m | ⊢ 𝑀 = (𝑆‘𝑍) |
| plngmiropp.o | ⊢ 𝑂 = {〈𝑎, 𝑏〉 ∣ ((𝑎 ∈ (𝑃 ∖ 𝐴) ∧ 𝑏 ∈ (𝑃 ∖ 𝐴)) ∧ ∃𝑡 ∈ 𝐴 𝑡 ∈ (𝑎𝐼𝑏))} |
| plngmiropp.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| plngmiropp.a | ⊢ (𝜑 → 𝐴 ∈ ran 𝐿) |
| plngmiropp.x | ⊢ (𝜑 → 𝑋 ∈ (𝑃 ∖ 𝐴)) |
| plngmiropp.y | ⊢ (𝜑 → 𝑌 ∈ ((𝐴𝐸𝑋) ∖ 𝐴)) |
| plngmiropp.z | ⊢ (𝜑 → 𝑍 ∈ 𝐴) |
| Ref | Expression |
|---|---|
| plngmiropp | ⊢ (𝜑 → (𝑋𝑂𝑌 ∨ (𝑀‘𝑋)𝑂𝑌)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | plngmiropp.p | . . . 4 ⊢ 𝑃 = (Base‘𝐺) | |
| 2 | eqid 2760 | . . . 4 ⊢ (dist‘𝐺) = (dist‘𝐺) | |
| 3 | plngmiropp.i | . . . 4 ⊢ 𝐼 = (Itv‘𝐺) | |
| 4 | plngmiropp.o | . . . 4 ⊢ 𝑂 = {〈𝑎, 𝑏〉 ∣ ((𝑎 ∈ (𝑃 ∖ 𝐴) ∧ 𝑏 ∈ (𝑃 ∖ 𝐴)) ∧ ∃𝑡 ∈ 𝐴 𝑡 ∈ (𝑎𝐼𝑏))} | |
| 5 | plngmiropp.l | . . . 4 ⊢ 𝐿 = (LineG‘𝐺) | |
| 6 | plngmiropp.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ ran 𝐿) | |
| 7 | 6 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑌((hpG‘𝐺)‘𝐴)𝑋) → 𝐴 ∈ ran 𝐿) |
| 8 | plngmiropp.g | . . . . 5 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 9 | 8 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑌((hpG‘𝐺)‘𝐴)𝑋) → 𝐺 ∈ TarskiG) |
| 10 | plngmiropp.e | . . . . . 6 ⊢ 𝐸 = (hlG‘𝐺) | |
| 11 | plngmiropp.x | . . . . . 6 ⊢ (𝜑 → 𝑋 ∈ (𝑃 ∖ 𝐴)) | |
| 12 | plngmiropp.y | . . . . . . 7 ⊢ (𝜑 → 𝑌 ∈ ((𝐴𝐸𝑋) ∖ 𝐴)) | |
| 13 | 12 | eldifad 4050 | . . . . . 6 ⊢ (𝜑 → 𝑌 ∈ (𝐴𝐸𝑋)) |
| 14 | 1, 3, 5, 10, 8, 6, 11, 13 | plngssp 29266 | . . . . 5 ⊢ (𝜑 → 𝑌 ∈ 𝑃) |
| 15 | 14 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑌((hpG‘𝐺)‘𝐴)𝑋) → 𝑌 ∈ 𝑃) |
| 16 | plngmiropp.s | . . . . . 6 ⊢ 𝑆 = (pInvG‘𝐺) | |
| 17 | plngmiropp.z | . . . . . . 7 ⊢ (𝜑 → 𝑍 ∈ 𝐴) | |
| 18 | 1, 5, 3, 8, 6, 17 | tglnpt 29019 | . . . . . 6 ⊢ (𝜑 → 𝑍 ∈ 𝑃) |
| 19 | plngmiropp.m | . . . . . 6 ⊢ 𝑀 = (𝑆‘𝑍) | |
| 20 | 11 | eldifad 4050 | . . . . . 6 ⊢ (𝜑 → 𝑋 ∈ 𝑃) |
| 21 | 1, 2, 3, 5, 16, 8, 18, 19, 20 | mircl 29140 | . . . . 5 ⊢ (𝜑 → (𝑀‘𝑋) ∈ 𝑃) |
| 22 | 21 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑌((hpG‘𝐺)‘𝐴)𝑋) → (𝑀‘𝑋) ∈ 𝑃) |
| 23 | 20 | adantr 486 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑌((hpG‘𝐺)‘𝐴)𝑋) → 𝑋 ∈ 𝑃) |
| 24 | simpr 490 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑌((hpG‘𝐺)‘𝐴)𝑋) → 𝑌((hpG‘𝐺)‘𝐴)𝑋) | |
| 25 | 1, 3, 5, 9, 7, 15, 4, 23, 24 | hpgcom 29252 | . . . . 5 ⊢ ((𝜑 ∧ 𝑌((hpG‘𝐺)‘𝐴)𝑋) → 𝑋((hpG‘𝐺)‘𝐴)𝑌) |
| 26 | 1, 3, 16, 19, 4, 8, 6, 17, 11, 5 | oppmir 29239 | . . . . . . 7 ⊢ (𝜑 → 𝑋𝑂(𝑀‘𝑋)) |
| 27 | 1, 3, 5, 4, 8, 6, 20, 14, 21, 26 | lnopp2hpgb 29248 | . . . . . 6 ⊢ (𝜑 → (𝑌𝑂(𝑀‘𝑋) ↔ 𝑋((hpG‘𝐺)‘𝐴)𝑌)) |
| 28 | 27 | biimpar 483 | . . . . 5 ⊢ ((𝜑 ∧ 𝑋((hpG‘𝐺)‘𝐴)𝑌) → 𝑌𝑂(𝑀‘𝑋)) |
| 29 | 25, 28 | syldan 603 | . . . 4 ⊢ ((𝜑 ∧ 𝑌((hpG‘𝐺)‘𝐴)𝑋) → 𝑌𝑂(𝑀‘𝑋)) |
| 30 | 1, 2, 3, 4, 5, 7, 9, 15, 22, 29 | oppcom 29227 | . . 3 ⊢ ((𝜑 ∧ 𝑌((hpG‘𝐺)‘𝐴)𝑋) → (𝑀‘𝑋)𝑂𝑌) |
| 31 | 6 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑌𝑂𝑋) → 𝐴 ∈ ran 𝐿) |
| 32 | 8 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑌𝑂𝑋) → 𝐺 ∈ TarskiG) |
| 33 | 14 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑌𝑂𝑋) → 𝑌 ∈ 𝑃) |
| 34 | 20 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑌𝑂𝑋) → 𝑋 ∈ 𝑃) |
| 35 | simpr 490 | . . . 4 ⊢ ((𝜑 ∧ 𝑌𝑂𝑋) → 𝑌𝑂𝑋) | |
| 36 | 1, 2, 3, 4, 5, 31, 32, 33, 34, 35 | oppcom 29227 | . . 3 ⊢ ((𝜑 ∧ 𝑌𝑂𝑋) → 𝑋𝑂𝑌) |
| 37 | 1, 3, 5, 10, 8, 6, 11, 4, 14 | elplng 29265 | . . . . . 6 ⊢ (𝜑 → (𝑌 ∈ (𝐴𝐸𝑋) ↔ (𝑌 ∈ 𝐴 ∨ 𝑌((hpG‘𝐺)‘𝐴)𝑋 ∨ 𝑌𝑂𝑋))) |
| 38 | 13, 37 | mpbid 235 | . . . . 5 ⊢ (𝜑 → (𝑌 ∈ 𝐴 ∨ 𝑌((hpG‘𝐺)‘𝐴)𝑋 ∨ 𝑌𝑂𝑋)) |
| 39 | 3orass 1106 | . . . . 5 ⊢ ((𝑌 ∈ 𝐴 ∨ 𝑌((hpG‘𝐺)‘𝐴)𝑋 ∨ 𝑌𝑂𝑋) ↔ (𝑌 ∈ 𝐴 ∨ (𝑌((hpG‘𝐺)‘𝐴)𝑋 ∨ 𝑌𝑂𝑋))) | |
| 40 | 38, 39 | sylib 221 | . . . 4 ⊢ (𝜑 → (𝑌 ∈ 𝐴 ∨ (𝑌((hpG‘𝐺)‘𝐴)𝑋 ∨ 𝑌𝑂𝑋))) |
| 41 | 12 | eldifbd 4051 | . . . 4 ⊢ (𝜑 → ¬ 𝑌 ∈ 𝐴) |
| 42 | 40, 41 | orcnd 892 | . . 3 ⊢ (𝜑 → (𝑌((hpG‘𝐺)‘𝐴)𝑋 ∨ 𝑌𝑂𝑋)) |
| 43 | 30, 36, 42 | orim12da 980 | . 2 ⊢ (𝜑 → ((𝑀‘𝑋)𝑂𝑌 ∨ 𝑋𝑂𝑌)) |
| 44 | 43 | orcomd 885 | 1 ⊢ (𝜑 → (𝑋𝑂𝑌 ∨ (𝑀‘𝑋)𝑂𝑌)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∨ wo 861 ∨ w3o 1102 = wceq 1569 ∈ wcel 2144 ∃wrex 3086 ∖ cdif 4044 class class class wbr 5102 {copab 5166 ran crn 5651 ‘cfv 6541 (class class class)co 7422 Basecbs 17394 distcds 17444 TarskiGcstrkg 28896 Itvcitv 28902 LineGclng 28903 pInvGcmir 29131 hpGchpg 29242 hlGcplng 29258 |
| 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 7753 ax-cnex 11261 ax-resscn 11262 ax-1cn 11263 ax-icn 11264 ax-addcl 11265 ax-addrcl 11266 ax-mulcl 11267 ax-mulrcl 11268 ax-mulcom 11269 ax-addass 11270 ax-mulass 11271 ax-distr 11272 ax-i2m1 11273 ax-1ne0 11274 ax-1rid 11275 ax-rnegex 11276 ax-rrecex 11277 ax-cnre 11278 ax-pre-lttri 11279 ax-pre-lttrn 11280 ax-pre-ltadd 11281 ax-pre-mulgt0 11282 |
| 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-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 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-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-riota 7379 df-ov 7425 df-oprab 7426 df-mpo 7427 df-om 7880 df-1st 8003 df-2nd 8004 df-frecs 8304 df-wrecs 8335 df-recs 8384 df-rdg 8423 df-1o 8481 df-oadd 8485 df-er 8722 df-map 8854 df-pm 8855 df-en 8979 df-dom 8980 df-sdom 8981 df-fin 8982 df-dju 9987 df-card 10025 df-pnf 11350 df-mnf 11351 df-xr 11352 df-ltxr 11353 df-le 11354 df-sub 11548 df-neg 11549 df-nn 12341 df-2 12410 df-3 12411 df-n0 12612 df-xnn0 12685 df-z 12699 df-uz 12971 df-fz 13645 df-fzo 13794 df-hash 14480 df-word 14664 df-concat 14721 df-s1 14748 df-s2 15005 df-s3 15006 df-trkgc 28917 df-trkgb 28918 df-trkgcb 28919 df-trkgld 28921 df-trkg 28922 df-cgrg 28981 df-leg 29053 df-hlg 29071 df-mir 29132 df-rag 29176 df-perpg 29178 df-hpg 29243 df-plng 29259 |
| This theorem is used by: prlngmolem2 29438 |
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