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| Mirrors > Home > MPE Home > Th. List > mirbtwni | Structured version Visualization version GIF version | ||
| Description: Point inversion preserves betweenness, first half of Theorem 7.15 of [Schwabhauser] p. 51. (Contributed by Thierry Arnoux, 9-Jun-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) |
| mirval.a | ⊢ (𝜑 → 𝐴 ∈ 𝑃) |
| mirfv.m | ⊢ 𝑀 = (𝑆‘𝐴) |
| miriso.1 | ⊢ (𝜑 → 𝑋 ∈ 𝑃) |
| miriso.2 | ⊢ (𝜑 → 𝑌 ∈ 𝑃) |
| mirbtwni.z | ⊢ (𝜑 → 𝑍 ∈ 𝑃) |
| mirbtwni.b | ⊢ (𝜑 → 𝑌 ∈ (𝑋𝐼𝑍)) |
| Ref | Expression |
|---|---|
| mirbtwni | ⊢ (𝜑 → (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mirval.p | . 2 ⊢ 𝑃 = (Base‘𝐺) | |
| 2 | mirval.d | . 2 ⊢ − = (dist‘𝐺) | |
| 3 | mirval.i | . 2 ⊢ 𝐼 = (Itv‘𝐺) | |
| 4 | eqid 2762 | . 2 ⊢ (cgrG‘𝐺) = (cgrG‘𝐺) | |
| 5 | mirval.g | . 2 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 6 | miriso.1 | . 2 ⊢ (𝜑 → 𝑋 ∈ 𝑃) | |
| 7 | miriso.2 | . 2 ⊢ (𝜑 → 𝑌 ∈ 𝑃) | |
| 8 | mirbtwni.z | . 2 ⊢ (𝜑 → 𝑍 ∈ 𝑃) | |
| 9 | mirval.l | . . . 4 ⊢ 𝐿 = (LineG‘𝐺) | |
| 10 | mirval.s | . . . 4 ⊢ 𝑆 = (pInvG‘𝐺) | |
| 11 | mirval.a | . . . 4 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
| 12 | mirfv.m | . . . 4 ⊢ 𝑀 = (𝑆‘𝐴) | |
| 13 | 1, 2, 3, 9, 10, 5, 11, 12 | mirf 28833 | . . 3 ⊢ (𝜑 → 𝑀:𝑃⟶𝑃) |
| 14 | 13, 6 | ffvelcdmd 7066 | . 2 ⊢ (𝜑 → (𝑀‘𝑋) ∈ 𝑃) |
| 15 | 13, 7 | ffvelcdmd 7066 | . 2 ⊢ (𝜑 → (𝑀‘𝑌) ∈ 𝑃) |
| 16 | 13, 8 | ffvelcdmd 7066 | . 2 ⊢ (𝜑 → (𝑀‘𝑍) ∈ 𝑃) |
| 17 | 1, 2, 3, 9, 10, 5, 11, 12, 6, 7 | miriso 28843 | . . . 4 ⊢ (𝜑 → ((𝑀‘𝑋) − (𝑀‘𝑌)) = (𝑋 − 𝑌)) |
| 18 | 17 | eqcomd 2768 | . . 3 ⊢ (𝜑 → (𝑋 − 𝑌) = ((𝑀‘𝑋) − (𝑀‘𝑌))) |
| 19 | 1, 2, 3, 9, 10, 5, 11, 12, 7, 8 | miriso 28843 | . . . 4 ⊢ (𝜑 → ((𝑀‘𝑌) − (𝑀‘𝑍)) = (𝑌 − 𝑍)) |
| 20 | 19 | eqcomd 2768 | . . 3 ⊢ (𝜑 → (𝑌 − 𝑍) = ((𝑀‘𝑌) − (𝑀‘𝑍))) |
| 21 | 1, 2, 3, 9, 10, 5, 11, 12, 8, 6 | miriso 28843 | . . . 4 ⊢ (𝜑 → ((𝑀‘𝑍) − (𝑀‘𝑋)) = (𝑍 − 𝑋)) |
| 22 | 21 | eqcomd 2768 | . . 3 ⊢ (𝜑 → (𝑍 − 𝑋) = ((𝑀‘𝑍) − (𝑀‘𝑋))) |
| 23 | 1, 2, 4, 5, 6, 7, 8, 14, 15, 16, 18, 20, 22 | trgcgr 28685 | . 2 ⊢ (𝜑 → 〈“𝑋𝑌𝑍”〉(cgrG‘𝐺)〈“(𝑀‘𝑋)(𝑀‘𝑌)(𝑀‘𝑍)”〉) |
| 24 | mirbtwni.b | . 2 ⊢ (𝜑 → 𝑌 ∈ (𝑋𝐼𝑍)) | |
| 25 | 1, 2, 3, 4, 5, 6, 7, 8, 14, 15, 16, 23, 24 | tgbtwnxfr 28699 | 1 ⊢ (𝜑 → (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1560 ∈ wcel 2142 ‘cfv 6521 (class class class)co 7396 Basecbs 17245 distcds 17295 TarskiGcstrkg 28596 Itvcitv 28602 LineGclng 28603 cgrGccgrg 28679 pInvGcmir 28825 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5227 ax-sep 5246 ax-nul 5256 ax-pow 5322 ax-pr 5390 ax-un 7718 ax-cnex 11129 ax-resscn 11130 ax-1cn 11131 ax-icn 11132 ax-addcl 11133 ax-addrcl 11134 ax-mulcl 11135 ax-mulrcl 11136 ax-mulcom 11137 ax-addass 11138 ax-mulass 11139 ax-distr 11140 ax-i2m1 11141 ax-1ne0 11142 ax-1rid 11143 ax-rnegex 11144 ax-rrecex 11145 ax-cnre 11146 ax-pre-lttri 11147 ax-pre-lttrn 11148 ax-pre-ltadd 11149 ax-pre-mulgt0 11150 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1099 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3456 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4481 df-pw 4557 df-sn 4583 df-pr 4585 df-tp 4587 df-op 4589 df-uni 4866 df-int 4906 df-iun 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6288 df-ord 6349 df-on 6350 df-lim 6351 df-suc 6352 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-riota 7353 df-ov 7399 df-oprab 7400 df-mpo 7401 df-om 7847 df-1st 7970 df-2nd 7971 df-frecs 8262 df-wrecs 8293 df-recs 8342 df-rdg 8381 df-1o 8437 df-oadd 8441 df-er 8678 df-pm 8811 df-en 8928 df-dom 8929 df-sdom 8930 df-fin 8931 df-dju 9859 df-card 9897 df-pnf 11218 df-mnf 11219 df-xr 11220 df-ltxr 11221 df-le 11222 df-sub 11416 df-neg 11417 df-nn 12211 df-2 12280 df-3 12281 df-n0 12482 df-xnn0 12555 df-z 12569 df-uz 12840 df-fz 13513 df-fzo 13660 df-hash 14344 df-word 14527 df-concat 14584 df-s1 14610 df-s2 14861 df-s3 14862 df-trkgc 28617 df-trkgb 28618 df-trkgcb 28619 df-trkg 28622 df-cgrg 28680 df-mir 28826 |
| This theorem is referenced by: mirbtwnb 28845 mirmir2 28847 mirhl 28852 mirauto 28857 krippenlem 28863 colperpexlem1 28903 opphllem2 28921 |
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