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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 2761 | . 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 29132 | . . 3 ⊢ (𝜑 → 𝑀:𝑃⟶𝑃) |
| 14 | 13, 6 | ffvelcdmd 7085 | . 2 ⊢ (𝜑 → (𝑀‘𝑋) ∈ 𝑃) |
| 15 | 13, 7 | ffvelcdmd 7085 | . 2 ⊢ (𝜑 → (𝑀‘𝑌) ∈ 𝑃) |
| 16 | 13, 8 | ffvelcdmd 7085 | . 2 ⊢ (𝜑 → (𝑀‘𝑍) ∈ 𝑃) |
| 17 | 1, 2, 3, 9, 10, 5, 11, 12, 6, 7 | miriso 29142 | . . . 4 ⊢ (𝜑 → ((𝑀‘𝑋) − (𝑀‘𝑌)) = (𝑋 − 𝑌)) |
| 18 | 17 | eqcomd 2767 | . . 3 ⊢ (𝜑 → (𝑋 − 𝑌) = ((𝑀‘𝑋) − (𝑀‘𝑌))) |
| 19 | 1, 2, 3, 9, 10, 5, 11, 12, 7, 8 | miriso 29142 | . . . 4 ⊢ (𝜑 → ((𝑀‘𝑌) − (𝑀‘𝑍)) = (𝑌 − 𝑍)) |
| 20 | 19 | eqcomd 2767 | . . 3 ⊢ (𝜑 → (𝑌 − 𝑍) = ((𝑀‘𝑌) − (𝑀‘𝑍))) |
| 21 | 1, 2, 3, 9, 10, 5, 11, 12, 8, 6 | miriso 29142 | . . . 4 ⊢ (𝜑 → ((𝑀‘𝑍) − (𝑀‘𝑋)) = (𝑍 − 𝑋)) |
| 22 | 21 | eqcomd 2767 | . . 3 ⊢ (𝜑 → (𝑍 − 𝑋) = ((𝑀‘𝑍) − (𝑀‘𝑋))) |
| 23 | 1, 2, 4, 5, 6, 7, 8, 14, 15, 16, 18, 20, 22 | trgcgr 28979 | . 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 28993 | 1 ⊢ (𝜑 → (𝑀‘𝑌) ∈ ((𝑀‘𝑋)𝐼(𝑀‘𝑍))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 ‘cfv 6538 (class class class)co 7420 Basecbs 17387 distcds 17437 TarskiGcstrkg 28889 Itvcitv 28895 LineGclng 28896 cgrGccgrg 28973 pInvGcmir 29124 |
| 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 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7751 ax-cnex 11256 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-addrcl 11261 ax-mulcl 11262 ax-mulrcl 11263 ax-mulcom 11264 ax-addass 11265 ax-mulass 11266 ax-distr 11267 ax-i2m1 11268 ax-1ne0 11269 ax-1rid 11270 ax-rnegex 11271 ax-rrecex 11272 ax-cnre 11273 ax-pre-lttri 11274 ax-pre-lttrn 11275 ax-pre-ltadd 11276 ax-pre-mulgt0 11277 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-1st 8001 df-2nd 8002 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-rdg 8418 df-1o 8476 df-oadd 8480 df-er 8717 df-pm 8850 df-en 8974 df-dom 8975 df-sdom 8976 df-fin 8977 df-dju 9982 df-card 10020 df-pnf 11345 df-mnf 11346 df-xr 11347 df-ltxr 11348 df-le 11349 df-sub 11543 df-neg 11544 df-nn 12336 df-2 12405 df-3 12406 df-n0 12607 df-xnn0 12680 df-z 12694 df-uz 12966 df-fz 13640 df-fzo 13789 df-hash 14475 df-word 14659 df-concat 14716 df-s1 14743 df-s2 14999 df-s3 15000 df-trkgc 28910 df-trkgb 28911 df-trkgcb 28912 df-trkg 28915 df-cgrg 28974 df-mir 29125 |
| This theorem is used by: mirbtwnb 29144 mirmir2 29146 mirhl 29151 mirauto 29156 krippenlem 29162 mirlni 29167 colperpexlem1 29206 opphllem2 29224 |
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