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Mirrors > Home > MPE Home > Th. List > ttgitvval | Structured version Visualization version GIF version |
Description: Betweenness for a subcomplex Hilbert space augmented with betweenness. (Contributed by Thierry Arnoux, 25-Mar-2019.) |
Ref | Expression |
---|---|
ttgval.n | ⊢ 𝐺 = (toTG‘𝐻) |
ttgitvval.i | ⊢ 𝐼 = (Itv‘𝐺) |
ttgitvval.b | ⊢ 𝑃 = (Base‘𝐻) |
ttgitvval.m | ⊢ − = (-g‘𝐻) |
ttgitvval.s | ⊢ · = ( ·𝑠 ‘𝐻) |
Ref | Expression |
---|---|
ttgitvval | ⊢ ((𝐻 ∈ 𝑉 ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃) → (𝑋𝐼𝑌) = {𝑧 ∈ 𝑃 ∣ ∃𝑘 ∈ (0[,]1)(𝑧 − 𝑋) = (𝑘 · (𝑌 − 𝑋))}) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ttgval.n | . . . . 5 ⊢ 𝐺 = (toTG‘𝐻) | |
2 | ttgitvval.b | . . . . 5 ⊢ 𝑃 = (Base‘𝐻) | |
3 | ttgitvval.m | . . . . 5 ⊢ − = (-g‘𝐻) | |
4 | ttgitvval.s | . . . . 5 ⊢ · = ( ·𝑠 ‘𝐻) | |
5 | ttgitvval.i | . . . . 5 ⊢ 𝐼 = (Itv‘𝐺) | |
6 | 1, 2, 3, 4, 5 | ttgval 25975 | . . . 4 ⊢ (𝐻 ∈ 𝑉 → (𝐺 = ((𝐻 sSet 〈(Itv‘ndx), (𝑥 ∈ 𝑃, 𝑦 ∈ 𝑃 ↦ {𝑧 ∈ 𝑃 ∣ ∃𝑘 ∈ (0[,]1)(𝑧 − 𝑥) = (𝑘 · (𝑦 − 𝑥))})〉) sSet 〈(LineG‘ndx), (𝑥 ∈ 𝑃, 𝑦 ∈ 𝑃 ↦ {𝑧 ∈ 𝑃 ∣ (𝑧 ∈ (𝑥𝐼𝑦) ∨ 𝑥 ∈ (𝑧𝐼𝑦) ∨ 𝑦 ∈ (𝑥𝐼𝑧))})〉) ∧ 𝐼 = (𝑥 ∈ 𝑃, 𝑦 ∈ 𝑃 ↦ {𝑧 ∈ 𝑃 ∣ ∃𝑘 ∈ (0[,]1)(𝑧 − 𝑥) = (𝑘 · (𝑦 − 𝑥))}))) |
7 | 6 | simprd 477 | . . 3 ⊢ (𝐻 ∈ 𝑉 → 𝐼 = (𝑥 ∈ 𝑃, 𝑦 ∈ 𝑃 ↦ {𝑧 ∈ 𝑃 ∣ ∃𝑘 ∈ (0[,]1)(𝑧 − 𝑥) = (𝑘 · (𝑦 − 𝑥))})) |
8 | 7 | 3ad2ant1 1126 | . 2 ⊢ ((𝐻 ∈ 𝑉 ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃) → 𝐼 = (𝑥 ∈ 𝑃, 𝑦 ∈ 𝑃 ↦ {𝑧 ∈ 𝑃 ∣ ∃𝑘 ∈ (0[,]1)(𝑧 − 𝑥) = (𝑘 · (𝑦 − 𝑥))})) |
9 | simprl 746 | . . . . . 6 ⊢ (((𝐻 ∈ 𝑉 ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃) ∧ (𝑥 = 𝑋 ∧ 𝑦 = 𝑌)) → 𝑥 = 𝑋) | |
10 | 9 | oveq2d 6808 | . . . . 5 ⊢ (((𝐻 ∈ 𝑉 ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃) ∧ (𝑥 = 𝑋 ∧ 𝑦 = 𝑌)) → (𝑧 − 𝑥) = (𝑧 − 𝑋)) |
11 | simprr 748 | . . . . . . 7 ⊢ (((𝐻 ∈ 𝑉 ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃) ∧ (𝑥 = 𝑋 ∧ 𝑦 = 𝑌)) → 𝑦 = 𝑌) | |
12 | 11, 9 | oveq12d 6810 | . . . . . 6 ⊢ (((𝐻 ∈ 𝑉 ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃) ∧ (𝑥 = 𝑋 ∧ 𝑦 = 𝑌)) → (𝑦 − 𝑥) = (𝑌 − 𝑋)) |
13 | 12 | oveq2d 6808 | . . . . 5 ⊢ (((𝐻 ∈ 𝑉 ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃) ∧ (𝑥 = 𝑋 ∧ 𝑦 = 𝑌)) → (𝑘 · (𝑦 − 𝑥)) = (𝑘 · (𝑌 − 𝑋))) |
14 | 10, 13 | eqeq12d 2785 | . . . 4 ⊢ (((𝐻 ∈ 𝑉 ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃) ∧ (𝑥 = 𝑋 ∧ 𝑦 = 𝑌)) → ((𝑧 − 𝑥) = (𝑘 · (𝑦 − 𝑥)) ↔ (𝑧 − 𝑋) = (𝑘 · (𝑌 − 𝑋)))) |
15 | 14 | rexbidv 3199 | . . 3 ⊢ (((𝐻 ∈ 𝑉 ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃) ∧ (𝑥 = 𝑋 ∧ 𝑦 = 𝑌)) → (∃𝑘 ∈ (0[,]1)(𝑧 − 𝑥) = (𝑘 · (𝑦 − 𝑥)) ↔ ∃𝑘 ∈ (0[,]1)(𝑧 − 𝑋) = (𝑘 · (𝑌 − 𝑋)))) |
16 | 15 | rabbidv 3338 | . 2 ⊢ (((𝐻 ∈ 𝑉 ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃) ∧ (𝑥 = 𝑋 ∧ 𝑦 = 𝑌)) → {𝑧 ∈ 𝑃 ∣ ∃𝑘 ∈ (0[,]1)(𝑧 − 𝑥) = (𝑘 · (𝑦 − 𝑥))} = {𝑧 ∈ 𝑃 ∣ ∃𝑘 ∈ (0[,]1)(𝑧 − 𝑋) = (𝑘 · (𝑌 − 𝑋))}) |
17 | simp2 1130 | . 2 ⊢ ((𝐻 ∈ 𝑉 ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃) → 𝑋 ∈ 𝑃) | |
18 | simp3 1131 | . 2 ⊢ ((𝐻 ∈ 𝑉 ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃) → 𝑌 ∈ 𝑃) | |
19 | fvex 6342 | . . . . 5 ⊢ (Base‘𝐻) ∈ V | |
20 | 2, 19 | eqeltri 2845 | . . . 4 ⊢ 𝑃 ∈ V |
21 | 20 | rabex 4943 | . . 3 ⊢ {𝑧 ∈ 𝑃 ∣ ∃𝑘 ∈ (0[,]1)(𝑧 − 𝑋) = (𝑘 · (𝑌 − 𝑋))} ∈ V |
22 | 21 | a1i 11 | . 2 ⊢ ((𝐻 ∈ 𝑉 ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃) → {𝑧 ∈ 𝑃 ∣ ∃𝑘 ∈ (0[,]1)(𝑧 − 𝑋) = (𝑘 · (𝑌 − 𝑋))} ∈ V) |
23 | 8, 16, 17, 18, 22 | ovmpt2d 6934 | 1 ⊢ ((𝐻 ∈ 𝑉 ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃) → (𝑋𝐼𝑌) = {𝑧 ∈ 𝑃 ∣ ∃𝑘 ∈ (0[,]1)(𝑧 − 𝑋) = (𝑘 · (𝑌 − 𝑋))}) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 382 ∨ w3o 1069 ∧ w3a 1070 = wceq 1630 ∈ wcel 2144 ∃wrex 3061 {crab 3064 Vcvv 3349 〈cop 4320 ‘cfv 6031 (class class class)co 6792 ↦ cmpt2 6794 0cc0 10137 1c1 10138 [,]cicc 12382 ndxcnx 16060 sSet csts 16061 Basecbs 16063 ·𝑠 cvsca 16152 -gcsg 17631 Itvcitv 25555 LineGclng 25556 toTGcttg 25973 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1869 ax-4 1884 ax-5 1990 ax-6 2056 ax-7 2092 ax-8 2146 ax-9 2153 ax-10 2173 ax-11 2189 ax-12 2202 ax-13 2407 ax-ext 2750 ax-rep 4902 ax-sep 4912 ax-nul 4920 ax-pow 4971 ax-pr 5034 ax-un 7095 ax-cnex 10193 ax-resscn 10194 ax-1cn 10195 ax-icn 10196 ax-addcl 10197 ax-addrcl 10198 ax-mulcl 10199 ax-mulrcl 10200 ax-mulcom 10201 ax-addass 10202 ax-mulass 10203 ax-distr 10204 ax-i2m1 10205 ax-1ne0 10206 ax-1rid 10207 ax-rnegex 10208 ax-rrecex 10209 ax-cnre 10210 ax-pre-lttri 10211 ax-pre-lttrn 10212 ax-pre-ltadd 10213 ax-pre-mulgt0 10214 |
This theorem depends on definitions: df-bi 197 df-an 383 df-or 827 df-3or 1071 df-3an 1072 df-tru 1633 df-fal 1636 df-ex 1852 df-nf 1857 df-sb 2049 df-eu 2621 df-mo 2622 df-clab 2757 df-cleq 2763 df-clel 2766 df-nfc 2901 df-ne 2943 df-nel 3046 df-ral 3065 df-rex 3066 df-reu 3067 df-rab 3069 df-v 3351 df-sbc 3586 df-csb 3681 df-dif 3724 df-un 3726 df-in 3728 df-ss 3735 df-pss 3737 df-nul 4062 df-if 4224 df-pw 4297 df-sn 4315 df-pr 4317 df-tp 4319 df-op 4321 df-uni 4573 df-iun 4654 df-br 4785 df-opab 4845 df-mpt 4862 df-tr 4885 df-id 5157 df-eprel 5162 df-po 5170 df-so 5171 df-fr 5208 df-we 5210 df-xp 5255 df-rel 5256 df-cnv 5257 df-co 5258 df-dm 5259 df-rn 5260 df-res 5261 df-ima 5262 df-pred 5823 df-ord 5869 df-on 5870 df-lim 5871 df-suc 5872 df-iota 5994 df-fun 6033 df-fn 6034 df-f 6035 df-f1 6036 df-fo 6037 df-f1o 6038 df-fv 6039 df-riota 6753 df-ov 6795 df-oprab 6796 df-mpt2 6797 df-om 7212 df-1st 7314 df-2nd 7315 df-wrecs 7558 df-recs 7620 df-rdg 7658 df-er 7895 df-en 8109 df-dom 8110 df-sdom 8111 df-pnf 10277 df-mnf 10278 df-xr 10279 df-ltxr 10280 df-le 10281 df-sub 10469 df-neg 10470 df-nn 11222 df-2 11280 df-3 11281 df-4 11282 df-5 11283 df-6 11284 df-7 11285 df-8 11286 df-9 11287 df-n0 11494 df-dec 11695 df-ndx 16066 df-slot 16067 df-sets 16070 df-itv 25557 df-lng 25558 df-ttg 25974 |
This theorem is referenced by: ttgelitv 25983 |
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