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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 490 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 𝐴 = 𝐵) | |
| 2 | 1 | fveq2d 6889 | . . . 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 486 | . . . . 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 28869 | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ 𝑃) |
| 13 | 12 | adantr 486 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 𝐴 ∈ 𝑃) |
| 14 | mirln.m | . . . . 5 ⊢ 𝑀 = (𝑆‘𝐴) | |
| 15 | 3, 4, 5, 6, 7, 9, 13, 14 | mircinv 28996 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝑀‘𝐴) = 𝐴) |
| 16 | 2, 15 | eqtr3d 2802 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝑀‘𝐵) = 𝐴) |
| 17 | 11 | adantr 486 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 𝐴 ∈ 𝐷) |
| 18 | 16, 17 | eqeltrd 2865 | . 2 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝑀‘𝐵) ∈ 𝐷) |
| 19 | 8 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐺 ∈ TarskiG) |
| 20 | 12 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐴 ∈ 𝑃) |
| 21 | mirln.b | . . . . . 6 ⊢ (𝜑 → 𝐵 ∈ 𝐷) | |
| 22 | 3, 6, 5, 8, 10, 21 | tglnpt 28869 | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
| 23 | 22 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐵 ∈ 𝑃) |
| 24 | 3, 4, 5, 6, 7, 19, 20, 14, 23 | mircl 28989 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → (𝑀‘𝐵) ∈ 𝑃) |
| 25 | simpr 490 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐴 ≠ 𝐵) | |
| 26 | 3, 4, 5, 6, 7, 8, 12, 14, 22 | mirbtwn 28986 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ ((𝑀‘𝐵)𝐼𝐵)) |
| 27 | 26 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐴 ∈ ((𝑀‘𝐵)𝐼𝐵)) |
| 28 | 3, 5, 6, 19, 20, 23, 24, 25, 27 | btwnlng2 28944 | . . 3 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → (𝑀‘𝐵) ∈ (𝐴𝐿𝐵)) |
| 29 | 10 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐷 ∈ ran 𝐿) |
| 30 | 11 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐴 ∈ 𝐷) |
| 31 | 21 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐵 ∈ 𝐷) |
| 32 | 3, 5, 6, 19, 20, 23, 25, 25, 29, 30, 31 | tglinethru 28960 | . . 3 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → 𝐷 = (𝐴𝐿𝐵)) |
| 33 | 28, 32 | eleqtrrd 2868 | . 2 ⊢ ((𝜑 ∧ 𝐴 ≠ 𝐵) → (𝑀‘𝐵) ∈ 𝐷) |
| 34 | 18, 33 | pm2.61dane 3047 | 1 ⊢ (𝜑 → (𝑀‘𝐵) ∈ 𝐷) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2146 ≠ wne 2960 ran crn 5664 ‘cfv 6540 (class class class)co 7419 Basecbs 17291 distcds 17341 TarskiGcstrkg 28747 Itvcitv 28753 LineGclng 28754 pInvGcmir 28980 |
| 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 7742 ax-cnex 11171 ax-resscn 11172 ax-1cn 11173 ax-icn 11174 ax-addcl 11175 ax-addrcl 11176 ax-mulcl 11177 ax-mulrcl 11178 ax-mulcom 11179 ax-addass 11180 ax-mulass 11181 ax-distr 11182 ax-i2m1 11183 ax-1ne0 11184 ax-1rid 11185 ax-rnegex 11186 ax-rrecex 11187 ax-cnre 11188 ax-pre-lttri 11189 ax-pre-lttrn 11190 ax-pre-ltadd 11191 ax-pre-mulgt0 11192 |
| 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 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-1st 7992 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-1o 8459 df-oadd 8463 df-er 8700 df-pm 8833 df-en 8950 df-dom 8951 df-sdom 8952 df-fin 8953 df-dju 9903 df-card 9941 df-pnf 11260 df-mnf 11261 df-xr 11262 df-ltxr 11263 df-le 11264 df-sub 11458 df-neg 11459 df-nn 12249 df-2 12318 df-3 12319 df-n0 12520 df-xnn0 12593 df-z 12607 df-uz 12879 df-fz 13552 df-fzo 13700 df-hash 14385 df-word 14569 df-concat 14626 df-s1 14653 df-s2 14909 df-s3 14910 df-trkgc 28768 df-trkgb 28769 df-trkgcb 28770 df-trkg 28773 df-cgrg 28831 df-mir 28981 |
| This theorem is used by: opphllem2 29080 opphllem4 29082 oppmir 29087 colhp 29103 mirplncl 29128 perpeq 29202 tgaaddcpbllem1 29203 tgaaddcpbl 29206 prlngmolem2 29258 prlngmid2 29266 |
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