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Mirrors > Home > MPE Home > Th. List > xmstrkgc | Structured version Visualization version GIF version |
Description: Any metric space fulfills Tarski's geometry axioms of congruence. (Contributed by Thierry Arnoux, 13-Mar-2019.) |
Ref | Expression |
---|---|
xmstrkgc | ⊢ (𝐺 ∈ ∞MetSp → 𝐺 ∈ TarskiGC) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elex 3455 | . 2 ⊢ (𝐺 ∈ ∞MetSp → 𝐺 ∈ V) | |
2 | eqid 2736 | . . . . . 6 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
3 | eqid 2736 | . . . . . 6 ⊢ (dist‘𝐺) = (dist‘𝐺) | |
4 | 2, 3 | xmssym 23663 | . . . . 5 ⊢ ((𝐺 ∈ ∞MetSp ∧ 𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺)) → (𝑥(dist‘𝐺)𝑦) = (𝑦(dist‘𝐺)𝑥)) |
5 | 4 | 3expb 1120 | . . . 4 ⊢ ((𝐺 ∈ ∞MetSp ∧ (𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺))) → (𝑥(dist‘𝐺)𝑦) = (𝑦(dist‘𝐺)𝑥)) |
6 | 5 | ralrimivva 3194 | . . 3 ⊢ (𝐺 ∈ ∞MetSp → ∀𝑥 ∈ (Base‘𝐺)∀𝑦 ∈ (Base‘𝐺)(𝑥(dist‘𝐺)𝑦) = (𝑦(dist‘𝐺)𝑥)) |
7 | simpl 484 | . . . . . . . 8 ⊢ ((𝐺 ∈ ∞MetSp ∧ (𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺))) → 𝐺 ∈ ∞MetSp) | |
8 | simpr3 1196 | . . . . . . . 8 ⊢ ((𝐺 ∈ ∞MetSp ∧ (𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺))) → 𝑧 ∈ (Base‘𝐺)) | |
9 | equid 2013 | . . . . . . . . 9 ⊢ 𝑧 = 𝑧 | |
10 | 2, 3 | xmseq0 23662 | . . . . . . . . 9 ⊢ ((𝐺 ∈ ∞MetSp ∧ 𝑧 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺)) → ((𝑧(dist‘𝐺)𝑧) = 0 ↔ 𝑧 = 𝑧)) |
11 | 9, 10 | mpbiri 258 | . . . . . . . 8 ⊢ ((𝐺 ∈ ∞MetSp ∧ 𝑧 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺)) → (𝑧(dist‘𝐺)𝑧) = 0) |
12 | 7, 8, 8, 11 | syl3anc 1371 | . . . . . . 7 ⊢ ((𝐺 ∈ ∞MetSp ∧ (𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺))) → (𝑧(dist‘𝐺)𝑧) = 0) |
13 | 12 | eqeq2d 2747 | . . . . . 6 ⊢ ((𝐺 ∈ ∞MetSp ∧ (𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺))) → ((𝑥(dist‘𝐺)𝑦) = (𝑧(dist‘𝐺)𝑧) ↔ (𝑥(dist‘𝐺)𝑦) = 0)) |
14 | 2, 3 | xmseq0 23662 | . . . . . . 7 ⊢ ((𝐺 ∈ ∞MetSp ∧ 𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺)) → ((𝑥(dist‘𝐺)𝑦) = 0 ↔ 𝑥 = 𝑦)) |
15 | 14 | 3adant3r3 1184 | . . . . . 6 ⊢ ((𝐺 ∈ ∞MetSp ∧ (𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺))) → ((𝑥(dist‘𝐺)𝑦) = 0 ↔ 𝑥 = 𝑦)) |
16 | 13, 15 | bitrd 279 | . . . . 5 ⊢ ((𝐺 ∈ ∞MetSp ∧ (𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺))) → ((𝑥(dist‘𝐺)𝑦) = (𝑧(dist‘𝐺)𝑧) ↔ 𝑥 = 𝑦)) |
17 | 16 | biimpd 228 | . . . 4 ⊢ ((𝐺 ∈ ∞MetSp ∧ (𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺))) → ((𝑥(dist‘𝐺)𝑦) = (𝑧(dist‘𝐺)𝑧) → 𝑥 = 𝑦)) |
18 | 17 | ralrimivvva 3197 | . . 3 ⊢ (𝐺 ∈ ∞MetSp → ∀𝑥 ∈ (Base‘𝐺)∀𝑦 ∈ (Base‘𝐺)∀𝑧 ∈ (Base‘𝐺)((𝑥(dist‘𝐺)𝑦) = (𝑧(dist‘𝐺)𝑧) → 𝑥 = 𝑦)) |
19 | 6, 18 | jca 513 | . 2 ⊢ (𝐺 ∈ ∞MetSp → (∀𝑥 ∈ (Base‘𝐺)∀𝑦 ∈ (Base‘𝐺)(𝑥(dist‘𝐺)𝑦) = (𝑦(dist‘𝐺)𝑥) ∧ ∀𝑥 ∈ (Base‘𝐺)∀𝑦 ∈ (Base‘𝐺)∀𝑧 ∈ (Base‘𝐺)((𝑥(dist‘𝐺)𝑦) = (𝑧(dist‘𝐺)𝑧) → 𝑥 = 𝑦))) |
20 | eqid 2736 | . . 3 ⊢ (Itv‘𝐺) = (Itv‘𝐺) | |
21 | 2, 3, 20 | istrkgc 26860 | . 2 ⊢ (𝐺 ∈ TarskiGC ↔ (𝐺 ∈ V ∧ (∀𝑥 ∈ (Base‘𝐺)∀𝑦 ∈ (Base‘𝐺)(𝑥(dist‘𝐺)𝑦) = (𝑦(dist‘𝐺)𝑥) ∧ ∀𝑥 ∈ (Base‘𝐺)∀𝑦 ∈ (Base‘𝐺)∀𝑧 ∈ (Base‘𝐺)((𝑥(dist‘𝐺)𝑦) = (𝑧(dist‘𝐺)𝑧) → 𝑥 = 𝑦)))) |
22 | 1, 19, 21 | sylanbrc 584 | 1 ⊢ (𝐺 ∈ ∞MetSp → 𝐺 ∈ TarskiGC) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 397 ∧ w3a 1087 = wceq 1539 ∈ wcel 2104 ∀wral 3062 Vcvv 3437 ‘cfv 6458 (class class class)co 7307 0cc0 10917 Basecbs 16957 distcds 17016 ∞MetSpcxms 23515 TarskiGCcstrkgc 26834 Itvcitv 26839 |
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 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7620 ax-cnex 10973 ax-resscn 10974 ax-1cn 10975 ax-icn 10976 ax-addcl 10977 ax-addrcl 10978 ax-mulcl 10979 ax-mulrcl 10980 ax-mulcom 10981 ax-addass 10982 ax-mulass 10983 ax-distr 10984 ax-i2m1 10985 ax-1ne0 10986 ax-1rid 10987 ax-rnegex 10988 ax-rrecex 10989 ax-cnre 10990 ax-pre-lttri 10991 ax-pre-lttrn 10992 ax-pre-ltadd 10993 ax-pre-mulgt0 10994 ax-pre-sup 10995 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3285 df-reu 3286 df-rab 3287 df-v 3439 df-sbc 3722 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-op 4572 df-uni 4845 df-iun 4933 df-br 5082 df-opab 5144 df-mpt 5165 df-tr 5199 df-id 5500 df-eprel 5506 df-po 5514 df-so 5515 df-fr 5555 df-we 5557 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-pred 6217 df-ord 6284 df-on 6285 df-lim 6286 df-suc 6287 df-iota 6410 df-fun 6460 df-fn 6461 df-f 6462 df-f1 6463 df-fo 6464 df-f1o 6465 df-fv 6466 df-riota 7264 df-ov 7310 df-oprab 7311 df-mpo 7312 df-om 7745 df-1st 7863 df-2nd 7864 df-frecs 8128 df-wrecs 8159 df-recs 8233 df-rdg 8272 df-er 8529 df-map 8648 df-en 8765 df-dom 8766 df-sdom 8767 df-sup 9245 df-inf 9246 df-pnf 11057 df-mnf 11058 df-xr 11059 df-ltxr 11060 df-le 11061 df-sub 11253 df-neg 11254 df-div 11679 df-nn 12020 df-2 12082 df-n0 12280 df-z 12366 df-uz 12629 df-q 12735 df-rp 12777 df-xneg 12894 df-xadd 12895 df-xmul 12896 df-topgen 17199 df-psmet 20634 df-xmet 20635 df-bl 20637 df-mopn 20638 df-top 22088 df-topon 22105 df-topsp 22127 df-bases 22141 df-xms 23518 df-trkgc 26854 |
This theorem is referenced by: (None) |
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