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| Mirrors > Home > MPE Home > Th. List > mirplncl | Structured version Visualization version GIF version | ||
| Description: The mirror of a point with regard to another point is in the same plane as the two points. (Contributed by Thierry Arnoux, 5-Jul-2026.) |
| Ref | Expression |
|---|---|
| mirplncl.p | ⊢ 𝑃 = (Base‘𝐺) |
| mirplncl.h | ⊢ 𝐸 = (hlG‘𝐺) |
| mirplncl.s | ⊢ 𝑆 = (pInvG‘𝐺) |
| mirplncl.1 | ⊢ 𝑀 = (𝑆‘𝑋) |
| mirplncl.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| mirplncl.2 | ⊢ (𝜑 → 𝐻 ∈ ran 𝐸) |
| mirplncl.x | ⊢ (𝜑 → 𝑋 ∈ 𝐻) |
| mirplncl.y | ⊢ (𝜑 → 𝑌 ∈ 𝐻) |
| Ref | Expression |
|---|---|
| mirplncl | ⊢ (𝜑 → (𝑀‘𝑌) ∈ 𝐻) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpr 489 | . . . . 5 ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → 𝑋 = 𝑌) | |
| 2 | 1 | fveq2d 6885 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → (𝑀‘𝑋) = (𝑀‘𝑌)) |
| 3 | mirplncl.p | . . . . 5 ⊢ 𝑃 = (Base‘𝐺) | |
| 4 | eqid 2763 | . . . . 5 ⊢ (dist‘𝐺) = (dist‘𝐺) | |
| 5 | eqid 2763 | . . . . 5 ⊢ (Itv‘𝐺) = (Itv‘𝐺) | |
| 6 | eqid 2763 | . . . . 5 ⊢ (LineG‘𝐺) = (LineG‘𝐺) | |
| 7 | mirplncl.s | . . . . 5 ⊢ 𝑆 = (pInvG‘𝐺) | |
| 8 | mirplncl.g | . . . . . 6 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 9 | 8 | adantr 485 | . . . . 5 ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → 𝐺 ∈ TarskiG) |
| 10 | mirplncl.h | . . . . . . 7 ⊢ 𝐸 = (hlG‘𝐺) | |
| 11 | mirplncl.2 | . . . . . . 7 ⊢ (𝜑 → 𝐻 ∈ ran 𝐸) | |
| 12 | mirplncl.x | . . . . . . 7 ⊢ (𝜑 → 𝑋 ∈ 𝐻) | |
| 13 | 3, 5, 6, 10, 8, 11, 12 | plngrnssp 29070 | . . . . . 6 ⊢ (𝜑 → 𝑋 ∈ 𝑃) |
| 14 | 13 | adantr 485 | . . . . 5 ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → 𝑋 ∈ 𝑃) |
| 15 | mirplncl.1 | . . . . 5 ⊢ 𝑀 = (𝑆‘𝑋) | |
| 16 | 3, 4, 5, 6, 7, 9, 14, 15 | mircinv 28954 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → (𝑀‘𝑋) = 𝑋) |
| 17 | 2, 16 | eqtr3d 2800 | . . 3 ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → (𝑀‘𝑌) = 𝑋) |
| 18 | 12 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → 𝑋 ∈ 𝐻) |
| 19 | 17, 18 | eqeltrd 2863 | . 2 ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → (𝑀‘𝑌) ∈ 𝐻) |
| 20 | 8 | adantr 485 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝐺 ∈ TarskiG) |
| 21 | 11 | adantr 485 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝐻 ∈ ran 𝐸) |
| 22 | 12 | adantr 485 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝑋 ∈ 𝐻) |
| 23 | mirplncl.y | . . . . 5 ⊢ (𝜑 → 𝑌 ∈ 𝐻) | |
| 24 | 23 | adantr 485 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝑌 ∈ 𝐻) |
| 25 | simpr 489 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝑋 ≠ 𝑌) | |
| 26 | 3, 5, 6, 10, 20, 21, 22, 24, 25 | lnssplng1 29084 | . . 3 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → (𝑋(LineG‘𝐺)𝑌) ⊆ 𝐻) |
| 27 | 13 | adantr 485 | . . . . 5 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝑋 ∈ 𝑃) |
| 28 | 3, 5, 6, 10, 8, 11, 23 | plngrnssp 29070 | . . . . . 6 ⊢ (𝜑 → 𝑌 ∈ 𝑃) |
| 29 | 28 | adantr 485 | . . . . 5 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝑌 ∈ 𝑃) |
| 30 | 3, 5, 6, 20, 27, 29, 25 | tgelrnln 28912 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → (𝑋(LineG‘𝐺)𝑌) ∈ ran (LineG‘𝐺)) |
| 31 | 3, 5, 6, 20, 27, 29, 25 | tglinerflx1 28915 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝑋 ∈ (𝑋(LineG‘𝐺)𝑌)) |
| 32 | 3, 5, 6, 20, 27, 29, 25 | tglinerflx2 28916 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝑌 ∈ (𝑋(LineG‘𝐺)𝑌)) |
| 33 | 3, 4, 5, 6, 7, 20, 15, 30, 31, 32 | mirln 28962 | . . 3 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → (𝑀‘𝑌) ∈ (𝑋(LineG‘𝐺)𝑌)) |
| 34 | 26, 33 | sseldd 3938 | . 2 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → (𝑀‘𝑌) ∈ 𝐻) |
| 35 | 19, 34 | pm2.61dane 3045 | 1 ⊢ (𝜑 → (𝑀‘𝑌) ∈ 𝐻) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 400 = wceq 1570 ∈ wcel 2143 ≠ wne 2958 ran crn 5662 ‘cfv 6536 (class class class)co 7410 Basecbs 17273 distcds 17323 TarskiGcstrkg 28705 Itvcitv 28711 LineGclng 28712 pInvGcmir 28938 hlGcplng 29064 |
| This proof depends on 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 5238 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11160 ax-resscn 11161 ax-1cn 11162 ax-icn 11163 ax-addcl 11164 ax-addrcl 11165 ax-mulcl 11166 ax-mulrcl 11167 ax-mulcom 11168 ax-addass 11169 ax-mulass 11170 ax-distr 11171 ax-i2m1 11172 ax-1ne0 11173 ax-1rid 11174 ax-rnegex 11175 ax-rrecex 11176 ax-cnre 11177 ax-pre-lttri 11178 ax-pre-lttrn 11179 ax-pre-ltadd 11180 ax-pre-mulgt0 11181 |
| This proof 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 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-tp 4594 df-op 4596 df-uni 4873 df-int 4913 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 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 9892 df-card 9930 df-pnf 11249 df-mnf 11250 df-xr 11251 df-ltxr 11252 df-le 11253 df-sub 11447 df-neg 11448 df-nn 12238 df-2 12307 df-3 12308 df-n0 12509 df-xnn0 12582 df-z 12596 df-uz 12867 df-fz 13540 df-fzo 13688 df-hash 14372 df-word 14556 df-concat 14613 df-s1 14639 df-s2 14890 df-s3 14891 df-trkgc 28726 df-trkgb 28727 df-trkgcb 28728 df-trkgld 28730 df-trkg 28731 df-cgrg 28789 df-leg 28861 df-hlg 28879 df-mir 28939 df-rag 28983 df-perpg 28985 df-hpg 29049 df-plng 29065 |
| This theorem is used by: perpeq 29160 prlngmid2 29220 |
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