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| Mirrors > Home > MPE Home > Th. List > mirln | Structured version Visualization version GIF version | ||
| Description: If two points are on the same line, so is the mirror point of one through the other. (Contributed by Thierry Arnoux, 21-Dec-2019.) |
| Ref | Expression |
|---|---|
| mirval.p | ⊢ 𝑃 = (Base‘𝐺) |
| mirval.d | ⊢ − = (dist‘𝐺) |
| mirval.i | ⊢ 𝐼 = (Itv‘𝐺) |
| mirval.l | ⊢ 𝐿 = (LineG‘𝐺) |
| mirval.s | ⊢ 𝑆 = (pInvG‘𝐺) |
| mirval.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| mirln.m | ⊢ 𝑀 = (𝑆‘𝐴) |
| mirln.1 | ⊢ (𝜑 → 𝐷 ∈ ran 𝐿) |
| mirln.a | ⊢ (𝜑 → 𝐴 ∈ 𝐷) |
| mirln.b | ⊢ (𝜑 → 𝐵 ∈ 𝐷) |
| Ref | Expression |
|---|---|
| mirln | ⊢ (𝜑 → (𝑀‘𝐵) ∈ 𝐷) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpr 484 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 𝐴 = 𝐵) | |
| 2 | 1 | fveq2d 6844 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝑀‘𝐴) = (𝑀‘𝐵)) |
| 3 | mirval.p | . . . . 5 ⊢ 𝑃 = (Base‘𝐺) | |
| 4 | mirval.d | . . . . 5 ⊢ − = (dist‘𝐺) | |
| 5 | mirval.i | . . . . 5 ⊢ 𝐼 = (Itv‘𝐺) | |
| 6 | mirval.l | . . . . 5 ⊢ 𝐿 = (LineG‘𝐺) | |
| 7 | mirval.s | . . . . 5 ⊢ 𝑆 = (pInvG‘𝐺) | |
| 8 | mirval.g | . . . . . 6 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 9 | 8 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 𝐺 ∈ TarskiG) |
| 10 | mirln.1 | . . . . . . 7 ⊢ (𝜑 → 𝐷 ∈ ran 𝐿) | |
| 11 | mirln.a | . . . . . . 7 ⊢ (𝜑 → 𝐴 ∈ 𝐷) | |
| 12 | 3, 6, 5, 8, 10, 11 | tglnpt 28452 | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ 𝑃) |
| 13 | 12 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 𝐴 ∈ 𝑃) |
| 14 | mirln.m | . . . . 5 ⊢ 𝑀 = (𝑆‘𝐴) | |
| 15 | 3, 4, 5, 6, 7, 9, 13, 14 | mircinv 28571 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝑀‘𝐴) = 𝐴) |
| 16 | 2, 15 | eqtr3d 2766 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝑀‘𝐵) = 𝐴) |
| 17 | 11 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 𝐴 ∈ 𝐷) |
| 18 | 16, 17 | eqeltrd 2828 | . 2 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝑀‘𝐵) ∈ 𝐷) |
| 19 | 8 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐺 ∈ TarskiG) |
| 20 | 12 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐴 ∈ 𝑃) |
| 21 | mirln.b | . . . . . 6 ⊢ (𝜑 → 𝐵 ∈ 𝐷) | |
| 22 | 3, 6, 5, 8, 10, 21 | tglnpt 28452 | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
| 23 | 22 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐵 ∈ 𝑃) |
| 24 | 3, 4, 5, 6, 7, 19, 20, 14, 23 | mircl 28564 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → (𝑀‘𝐵) ∈ 𝑃) |
| 25 | simpr 484 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐴 ≠ 𝐵) | |
| 26 | 3, 4, 5, 6, 7, 8, 12, 14, 22 | mirbtwn 28561 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ ((𝑀‘𝐵)𝐼𝐵)) |
| 27 | 26 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐴 ∈ ((𝑀‘𝐵)𝐼𝐵)) |
| 28 | 3, 5, 6, 19, 20, 23, 24, 25, 27 | btwnlng2 28523 | . . 3 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → (𝑀‘𝐵) ∈ (𝐴𝐿𝐵)) |
| 29 | 10 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐷 ∈ ran 𝐿) |
| 30 | 11 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐴 ∈ 𝐷) |
| 31 | 21 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐵 ∈ 𝐷) |
| 32 | 3, 5, 6, 19, 20, 23, 25, 25, 29, 30, 31 | tglinethru 28539 | . . 3 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐷 = (𝐴𝐿𝐵)) |
| 33 | 28, 32 | eleqtrrd 2831 | . 2 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → (𝑀‘𝐵) ∈ 𝐷) |
| 34 | 18, 33 | pm2.61dane 3012 | 1 ⊢ (𝜑 → (𝑀‘𝐵) ∈ 𝐷) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2109 ≠ wne 2925 ran crn 5632 ‘cfv 6499 (class class class)co 7369 Basecbs 17155 distcds 17205 TarskiGcstrkg 28330 Itvcitv 28336 LineGclng 28337 pInvGcmir 28555 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5229 ax-sep 5246 ax-nul 5256 ax-pow 5315 ax-pr 5382 ax-un 7691 ax-cnex 11100 ax-resscn 11101 ax-1cn 11102 ax-icn 11103 ax-addcl 11104 ax-addrcl 11105 ax-mulcl 11106 ax-mulrcl 11107 ax-mulcom 11108 ax-addass 11109 ax-mulass 11110 ax-distr 11111 ax-i2m1 11112 ax-1ne0 11113 ax-1rid 11114 ax-rnegex 11115 ax-rrecex 11116 ax-cnre 11117 ax-pre-lttri 11118 ax-pre-lttrn 11119 ax-pre-ltadd 11120 ax-pre-mulgt0 11121 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rmo 3351 df-reu 3352 df-rab 3403 df-v 3446 df-sbc 3751 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3931 df-nul 4293 df-if 4485 df-pw 4561 df-sn 4586 df-pr 4588 df-tp 4590 df-op 4592 df-uni 4868 df-int 4907 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6262 df-ord 6323 df-on 6324 df-lim 6325 df-suc 6326 df-iota 6452 df-fun 6501 df-fn 6502 df-f 6503 df-f1 6504 df-fo 6505 df-f1o 6506 df-fv 6507 df-riota 7326 df-ov 7372 df-oprab 7373 df-mpo 7374 df-om 7823 df-1st 7947 df-2nd 7948 df-frecs 8237 df-wrecs 8268 df-recs 8317 df-rdg 8355 df-1o 8411 df-oadd 8415 df-er 8648 df-pm 8779 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-dju 9830 df-card 9868 df-pnf 11186 df-mnf 11187 df-xr 11188 df-ltxr 11189 df-le 11190 df-sub 11383 df-neg 11384 df-nn 12163 df-2 12225 df-3 12226 df-n0 12419 df-xnn0 12492 df-z 12506 df-uz 12770 df-fz 13445 df-fzo 13592 df-hash 14272 df-word 14455 df-concat 14512 df-s1 14537 df-s2 14790 df-s3 14791 df-trkgc 28351 df-trkgb 28352 df-trkgcb 28353 df-trkg 28356 df-cgrg 28414 df-mir 28556 |
| This theorem is referenced by: opphllem2 28651 opphllem4 28653 colhp 28673 |
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