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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 490 | . . . . 5 ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → 𝑋 = 𝑌) | |
| 2 | 1 | fveq2d 6920 | . . . 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 486 | . . . . 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 29314 | . . . . . 6 ⊢ (𝜑 → 𝑋 ∈ 𝑃) |
| 14 | 13 | adantr 486 | . . . . 5 ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → 𝑋 ∈ 𝑃) |
| 15 | mirplncl.1 | . . . . 5 ⊢ 𝑀 = (𝑆‘𝑋) | |
| 16 | 3, 4, 5, 6, 7, 9, 14, 15 | mircinv 29197 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → (𝑀‘𝑋) = 𝑋) |
| 17 | 2, 16 | eqtr3d 2800 | . . 3 ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → (𝑀‘𝑌) = 𝑋) |
| 18 | 12 | adantr 486 | . . 3 ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → 𝑋 ∈ 𝐻) |
| 19 | 17, 18 | eqeltrd 2864 | . 2 ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → (𝑀‘𝑌) ∈ 𝐻) |
| 20 | 8 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝐺 ∈ TarskiG) |
| 21 | 11 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝐻 ∈ ran 𝐸) |
| 22 | 12 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝑋 ∈ 𝐻) |
| 23 | mirplncl.y | . . . . 5 ⊢ (𝜑 → 𝑌 ∈ 𝐻) | |
| 24 | 23 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝑌 ∈ 𝐻) |
| 25 | simpr 490 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝑋 ≠ 𝑌) | |
| 26 | 3, 5, 6, 10, 20, 21, 22, 24, 25 | lnssplng1 29328 | . . 3 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → (𝑋(LineG‘𝐺)𝑌) ⊆ 𝐻) |
| 27 | 13 | adantr 486 | . . . . 5 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝑋 ∈ 𝑃) |
| 28 | 3, 5, 6, 10, 8, 11, 23 | plngrnssp 29314 | . . . . . 6 ⊢ (𝜑 → 𝑌 ∈ 𝑃) |
| 29 | 28 | adantr 486 | . . . . 5 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝑌 ∈ 𝑃) |
| 30 | 3, 5, 6, 20, 27, 29, 25 | tgelrnln 29155 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → (𝑋(LineG‘𝐺)𝑌) ∈ ran (LineG‘𝐺)) |
| 31 | 3, 5, 6, 20, 27, 29, 25 | tglinerflx1 29158 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝑋 ∈ (𝑋(LineG‘𝐺)𝑌)) |
| 32 | 3, 5, 6, 20, 27, 29, 25 | tglinerflx2 29159 | . . . 4 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → 𝑌 ∈ (𝑋(LineG‘𝐺)𝑌)) |
| 33 | 3, 4, 5, 6, 7, 20, 15, 30, 31, 32 | mirln 29205 | . . 3 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → (𝑀‘𝑌) ∈ (𝑋(LineG‘𝐺)𝑌)) |
| 34 | 26, 33 | sseldd 3914 | . 2 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → (𝑀‘𝑌) ∈ 𝐻) |
| 35 | 19, 34 | pm2.61dane 3046 | 1 ⊢ (𝜑 → (𝑀‘𝑌) ∈ 𝐻) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2147 ≠ wne 2959 ran crn 5659 ‘cfv 6566 (class class class)co 7451 Basecbs 17431 distcds 17481 TarskiGcstrkg 28946 Itvcitv 28952 LineGclng 28953 pInvGcmir 29181 hlGcplng 29308 |
| 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-leg 29103 df-hlg 29121 df-mir 29182 df-rag 29226 df-perpg 29228 df-hpg 29293 df-plng 29309 |
| This theorem is used by: perpeq 29405 prlngmid2 29496 |
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