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| Mirrors > Home > MPE Home > Th. List > miduniq1 | Structured version Visualization version GIF version | ||
| Description: Uniqueness of the middle point, expressed with point inversion. Theorem 7.18 of [Schwabhauser] p. 52. (Contributed by Thierry Arnoux, 30-Jul-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) |
| miduniq1.a | ⊢ (𝜑 → 𝐴 ∈ 𝑃) |
| miduniq1.b | ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
| miduniq1.x | ⊢ (𝜑 → 𝑋 ∈ 𝑃) |
| miduniq1.e | ⊢ (𝜑 → ((𝑆‘𝐴)‘𝑋) = ((𝑆‘𝐵)‘𝑋)) |
| Ref | Expression |
|---|---|
| miduniq1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| 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 | mirval.l | . 2 ⊢ 𝐿 = (LineG‘𝐺) | |
| 5 | mirval.s | . 2 ⊢ 𝑆 = (pInvG‘𝐺) | |
| 6 | mirval.g | . 2 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 7 | miduniq1.a | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
| 8 | miduniq1.b | . 2 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
| 9 | miduniq1.x | . 2 ⊢ (𝜑 → 𝑋 ∈ 𝑃) | |
| 10 | eqid 2763 | . . 3 ⊢ (𝑆‘𝐴) = (𝑆‘𝐴) | |
| 11 | 1, 2, 3, 4, 5, 6, 7, 10, 9 | mircl 29148 | . 2 ⊢ (𝜑 → ((𝑆‘𝐴)‘𝑋) ∈ 𝑃) |
| 12 | eqidd 2764 | . 2 ⊢ (𝜑 → ((𝑆‘𝐴)‘𝑋) = ((𝑆‘𝐴)‘𝑋)) | |
| 13 | miduniq1.e | . . 3 ⊢ (𝜑 → ((𝑆‘𝐴)‘𝑋) = ((𝑆‘𝐵)‘𝑋)) | |
| 14 | 13 | eqcomd 2769 | . 2 ⊢ (𝜑 → ((𝑆‘𝐵)‘𝑋) = ((𝑆‘𝐴)‘𝑋)) |
| 15 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 14 | miduniq 29172 | 1 ⊢ (𝜑 → 𝐴 = 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2146 ‘cfv 6547 Basecbs 17402 distcds 17452 TarskiGcstrkg 28904 Itvcitv 28910 LineGclng 28911 pInvGcmir 29139 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7761 ax-cnex 11269 ax-resscn 11270 ax-1cn 11271 ax-icn 11272 ax-addcl 11273 ax-addrcl 11274 ax-mulcl 11275 ax-mulrcl 11276 ax-mulcom 11277 ax-addass 11278 ax-mulass 11279 ax-distr 11280 ax-i2m1 11281 ax-1ne0 11282 ax-1rid 11283 ax-rnegex 11284 ax-rrecex 11285 ax-cnre 11286 ax-pre-lttri 11287 ax-pre-lttrn 11288 ax-pre-ltadd 11289 ax-pre-mulgt0 11290 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 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 4839 df-uni 4871 df-int 4911 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6311 df-ord 6372 df-on 6373 df-lim 6374 df-suc 6375 df-iota 6501 df-fun 6549 df-fn 6550 df-f 6551 df-f1 6552 df-fo 6553 df-f1o 6554 df-fv 6555 df-riota 7387 df-ov 7433 df-oprab 7434 df-mpo 7435 df-om 7888 df-1st 8011 df-2nd 8012 df-frecs 8313 df-wrecs 8344 df-recs 8393 df-rdg 8432 df-1o 8490 df-oadd 8494 df-er 8731 df-pm 8864 df-en 8988 df-dom 8989 df-sdom 8990 df-fin 8991 df-dju 9995 df-card 10033 df-pnf 11358 df-mnf 11359 df-xr 11360 df-ltxr 11361 df-le 11362 df-sub 11556 df-neg 11557 df-nn 12349 df-2 12418 df-3 12419 df-n0 12620 df-xnn0 12693 df-z 12707 df-uz 12979 df-fz 13653 df-fzo 13802 df-hash 14488 df-word 14672 df-concat 14729 df-s1 14756 df-s2 15013 df-s3 15014 df-trkgc 28925 df-trkgb 28926 df-trkgcb 28927 df-trkg 28930 df-cgrg 28989 df-mir 29140 |
| This theorem is used by: miduniq2 29174 mideulem2 29225 |
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