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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 3448 | . 2 ⊢ (𝐺 ∈ ∞MetSp → 𝐺 ∈ V) | |
2 | eqid 2739 | . . . . . 6 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
3 | eqid 2739 | . . . . . 6 ⊢ (dist‘𝐺) = (dist‘𝐺) | |
4 | 2, 3 | xmssym 23599 | . . . . 5 ⊢ ((𝐺 ∈ ∞MetSp ∧ 𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺)) → (𝑥(dist‘𝐺)𝑦) = (𝑦(dist‘𝐺)𝑥)) |
5 | 4 | 3expb 1118 | . . . 4 ⊢ ((𝐺 ∈ ∞MetSp ∧ (𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺))) → (𝑥(dist‘𝐺)𝑦) = (𝑦(dist‘𝐺)𝑥)) |
6 | 5 | ralrimivva 3116 | . . 3 ⊢ (𝐺 ∈ ∞MetSp → ∀𝑥 ∈ (Base‘𝐺)∀𝑦 ∈ (Base‘𝐺)(𝑥(dist‘𝐺)𝑦) = (𝑦(dist‘𝐺)𝑥)) |
7 | simpl 482 | . . . . . . . 8 ⊢ ((𝐺 ∈ ∞MetSp ∧ (𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺))) → 𝐺 ∈ ∞MetSp) | |
8 | simpr3 1194 | . . . . . . . 8 ⊢ ((𝐺 ∈ ∞MetSp ∧ (𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺))) → 𝑧 ∈ (Base‘𝐺)) | |
9 | equid 2018 | . . . . . . . . 9 ⊢ 𝑧 = 𝑧 | |
10 | 2, 3 | xmseq0 23598 | . . . . . . . . 9 ⊢ ((𝐺 ∈ ∞MetSp ∧ 𝑧 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺)) → ((𝑧(dist‘𝐺)𝑧) = 0 ↔ 𝑧 = 𝑧)) |
11 | 9, 10 | mpbiri 257 | . . . . . . . 8 ⊢ ((𝐺 ∈ ∞MetSp ∧ 𝑧 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺)) → (𝑧(dist‘𝐺)𝑧) = 0) |
12 | 7, 8, 8, 11 | syl3anc 1369 | . . . . . . 7 ⊢ ((𝐺 ∈ ∞MetSp ∧ (𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺))) → (𝑧(dist‘𝐺)𝑧) = 0) |
13 | 12 | eqeq2d 2750 | . . . . . 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 23598 | . . . . . . 7 ⊢ ((𝐺 ∈ ∞MetSp ∧ 𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺)) → ((𝑥(dist‘𝐺)𝑦) = 0 ↔ 𝑥 = 𝑦)) |
15 | 14 | 3adant3r3 1182 | . . . . . 6 ⊢ ((𝐺 ∈ ∞MetSp ∧ (𝑥 ∈ (Base‘𝐺) ∧ 𝑦 ∈ (Base‘𝐺) ∧ 𝑧 ∈ (Base‘𝐺))) → ((𝑥(dist‘𝐺)𝑦) = 0 ↔ 𝑥 = 𝑦)) |
16 | 13, 15 | bitrd 278 | . . . . 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 3117 | . . 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 511 | . 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 2739 | . . 3 ⊢ (Itv‘𝐺) = (Itv‘𝐺) | |
21 | 2, 3, 20 | istrkgc 26796 | . 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 582 | 1 ⊢ (𝐺 ∈ ∞MetSp → 𝐺 ∈ TarskiGC) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 ∧ w3a 1085 = wceq 1541 ∈ wcel 2109 ∀wral 3065 Vcvv 3430 ‘cfv 6430 (class class class)co 7268 0cc0 10855 Basecbs 16893 distcds 16952 ∞MetSpcxms 23451 TarskiGCcstrkgc 26770 Itvcitv 26775 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1801 ax-4 1815 ax-5 1916 ax-6 1974 ax-7 2014 ax-8 2111 ax-9 2119 ax-10 2140 ax-11 2157 ax-12 2174 ax-ext 2710 ax-sep 5226 ax-nul 5233 ax-pow 5291 ax-pr 5355 ax-un 7579 ax-cnex 10911 ax-resscn 10912 ax-1cn 10913 ax-icn 10914 ax-addcl 10915 ax-addrcl 10916 ax-mulcl 10917 ax-mulrcl 10918 ax-mulcom 10919 ax-addass 10920 ax-mulass 10921 ax-distr 10922 ax-i2m1 10923 ax-1ne0 10924 ax-1rid 10925 ax-rnegex 10926 ax-rrecex 10927 ax-cnre 10928 ax-pre-lttri 10929 ax-pre-lttrn 10930 ax-pre-ltadd 10931 ax-pre-mulgt0 10932 ax-pre-sup 10933 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1544 df-fal 1554 df-ex 1786 df-nf 1790 df-sb 2071 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2817 df-nfc 2890 df-ne 2945 df-nel 3051 df-ral 3070 df-rex 3071 df-reu 3072 df-rmo 3073 df-rab 3074 df-v 3432 df-sbc 3720 df-csb 3837 df-dif 3894 df-un 3896 df-in 3898 df-ss 3908 df-pss 3910 df-nul 4262 df-if 4465 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-uni 4845 df-iun 4931 df-br 5079 df-opab 5141 df-mpt 5162 df-tr 5196 df-id 5488 df-eprel 5494 df-po 5502 df-so 5503 df-fr 5543 df-we 5545 df-xp 5594 df-rel 5595 df-cnv 5596 df-co 5597 df-dm 5598 df-rn 5599 df-res 5600 df-ima 5601 df-pred 6199 df-ord 6266 df-on 6267 df-lim 6268 df-suc 6269 df-iota 6388 df-fun 6432 df-fn 6433 df-f 6434 df-f1 6435 df-fo 6436 df-f1o 6437 df-fv 6438 df-riota 7225 df-ov 7271 df-oprab 7272 df-mpo 7273 df-om 7701 df-1st 7817 df-2nd 7818 df-frecs 8081 df-wrecs 8112 df-recs 8186 df-rdg 8225 df-er 8472 df-map 8591 df-en 8708 df-dom 8709 df-sdom 8710 df-sup 9162 df-inf 9163 df-pnf 10995 df-mnf 10996 df-xr 10997 df-ltxr 10998 df-le 10999 df-sub 11190 df-neg 11191 df-div 11616 df-nn 11957 df-2 12019 df-n0 12217 df-z 12303 df-uz 12565 df-q 12671 df-rp 12713 df-xneg 12830 df-xadd 12831 df-xmul 12832 df-topgen 17135 df-psmet 20570 df-xmet 20571 df-bl 20573 df-mopn 20574 df-top 22024 df-topon 22041 df-topsp 22063 df-bases 22077 df-xms 23454 df-trkgc 26790 |
This theorem is referenced by: (None) |
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