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Mirrors > Home > MPE Home > Th. List > ttgelitv | 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) |
ttgelitv.x | ⊢ (𝜑 → 𝑋 ∈ 𝑃) |
ttgelitv.y | ⊢ (𝜑 → 𝑌 ∈ 𝑃) |
ttgelitv.h | ⊢ (𝜑 → 𝐻 ∈ 𝑉) |
ttgelitv.z | ⊢ (𝜑 → 𝑍 ∈ 𝑃) |
Ref | Expression |
---|---|
ttgelitv | ⊢ (𝜑 → (𝑍 ∈ (𝑋𝐼𝑌) ↔ ∃𝑘 ∈ (0[,]1)(𝑍 − 𝑋) = (𝑘 · (𝑌 − 𝑋)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ttgelitv.z | . 2 ⊢ (𝜑 → 𝑍 ∈ 𝑃) | |
2 | ttgelitv.h | . . . . 5 ⊢ (𝜑 → 𝐻 ∈ 𝑉) | |
3 | ttgelitv.x | . . . . 5 ⊢ (𝜑 → 𝑋 ∈ 𝑃) | |
4 | ttgelitv.y | . . . . 5 ⊢ (𝜑 → 𝑌 ∈ 𝑃) | |
5 | ttgval.n | . . . . . 6 ⊢ 𝐺 = (toTG‘𝐻) | |
6 | ttgitvval.i | . . . . . 6 ⊢ 𝐼 = (Itv‘𝐺) | |
7 | ttgitvval.b | . . . . . 6 ⊢ 𝑃 = (Base‘𝐻) | |
8 | ttgitvval.m | . . . . . 6 ⊢ − = (-g‘𝐻) | |
9 | ttgitvval.s | . . . . . 6 ⊢ · = ( ·𝑠 ‘𝐻) | |
10 | 5, 6, 7, 8, 9 | ttgitvval 26670 | . . . . 5 ⊢ ((𝐻 ∈ 𝑉 ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑃) → (𝑋𝐼𝑌) = {𝑧 ∈ 𝑃 ∣ ∃𝑘 ∈ (0[,]1)(𝑧 − 𝑋) = (𝑘 · (𝑌 − 𝑋))}) |
11 | 2, 3, 4, 10 | syl3anc 1367 | . . . 4 ⊢ (𝜑 → (𝑋𝐼𝑌) = {𝑧 ∈ 𝑃 ∣ ∃𝑘 ∈ (0[,]1)(𝑧 − 𝑋) = (𝑘 · (𝑌 − 𝑋))}) |
12 | 11 | eleq2d 2900 | . . 3 ⊢ (𝜑 → (𝑍 ∈ (𝑋𝐼𝑌) ↔ 𝑍 ∈ {𝑧 ∈ 𝑃 ∣ ∃𝑘 ∈ (0[,]1)(𝑧 − 𝑋) = (𝑘 · (𝑌 − 𝑋))})) |
13 | oveq1 7165 | . . . . . 6 ⊢ (𝑧 = 𝑍 → (𝑧 − 𝑋) = (𝑍 − 𝑋)) | |
14 | 13 | eqeq1d 2825 | . . . . 5 ⊢ (𝑧 = 𝑍 → ((𝑧 − 𝑋) = (𝑘 · (𝑌 − 𝑋)) ↔ (𝑍 − 𝑋) = (𝑘 · (𝑌 − 𝑋)))) |
15 | 14 | rexbidv 3299 | . . . 4 ⊢ (𝑧 = 𝑍 → (∃𝑘 ∈ (0[,]1)(𝑧 − 𝑋) = (𝑘 · (𝑌 − 𝑋)) ↔ ∃𝑘 ∈ (0[,]1)(𝑍 − 𝑋) = (𝑘 · (𝑌 − 𝑋)))) |
16 | 15 | elrab 3682 | . . 3 ⊢ (𝑍 ∈ {𝑧 ∈ 𝑃 ∣ ∃𝑘 ∈ (0[,]1)(𝑧 − 𝑋) = (𝑘 · (𝑌 − 𝑋))} ↔ (𝑍 ∈ 𝑃 ∧ ∃𝑘 ∈ (0[,]1)(𝑍 − 𝑋) = (𝑘 · (𝑌 − 𝑋)))) |
17 | 12, 16 | syl6bb 289 | . 2 ⊢ (𝜑 → (𝑍 ∈ (𝑋𝐼𝑌) ↔ (𝑍 ∈ 𝑃 ∧ ∃𝑘 ∈ (0[,]1)(𝑍 − 𝑋) = (𝑘 · (𝑌 − 𝑋))))) |
18 | 1, 17 | mpbirand 705 | 1 ⊢ (𝜑 → (𝑍 ∈ (𝑋𝐼𝑌) ↔ ∃𝑘 ∈ (0[,]1)(𝑍 − 𝑋) = (𝑘 · (𝑌 − 𝑋)))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 = wceq 1537 ∈ wcel 2114 ∃wrex 3141 {crab 3144 ‘cfv 6357 (class class class)co 7158 0cc0 10539 1c1 10540 [,]cicc 12744 Basecbs 16485 ·𝑠 cvsca 16571 -gcsg 18107 Itvcitv 26224 toTGcttg 26661 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-rep 5192 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 ax-un 7463 ax-cnex 10595 ax-resscn 10596 ax-1cn 10597 ax-icn 10598 ax-addcl 10599 ax-addrcl 10600 ax-mulcl 10601 ax-mulrcl 10602 ax-mulcom 10603 ax-addass 10604 ax-mulass 10605 ax-distr 10606 ax-i2m1 10607 ax-1ne0 10608 ax-1rid 10609 ax-rnegex 10610 ax-rrecex 10611 ax-cnre 10612 ax-pre-lttri 10613 ax-pre-lttrn 10614 ax-pre-ltadd 10615 ax-pre-mulgt0 10616 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-fal 1550 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ne 3019 df-nel 3126 df-ral 3145 df-rex 3146 df-reu 3147 df-rab 3149 df-v 3498 df-sbc 3775 df-csb 3886 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-pss 3956 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-tp 4574 df-op 4576 df-uni 4841 df-iun 4923 df-br 5069 df-opab 5131 df-mpt 5149 df-tr 5175 df-id 5462 df-eprel 5467 df-po 5476 df-so 5477 df-fr 5516 df-we 5518 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-pred 6150 df-ord 6196 df-on 6197 df-lim 6198 df-suc 6199 df-iota 6316 df-fun 6359 df-fn 6360 df-f 6361 df-f1 6362 df-fo 6363 df-f1o 6364 df-fv 6365 df-riota 7116 df-ov 7161 df-oprab 7162 df-mpo 7163 df-om 7583 df-1st 7691 df-2nd 7692 df-wrecs 7949 df-recs 8010 df-rdg 8048 df-er 8291 df-en 8512 df-dom 8513 df-sdom 8514 df-pnf 10679 df-mnf 10680 df-xr 10681 df-ltxr 10682 df-le 10683 df-sub 10874 df-neg 10875 df-nn 11641 df-2 11703 df-3 11704 df-4 11705 df-5 11706 df-6 11707 df-7 11708 df-8 11709 df-9 11710 df-n0 11901 df-dec 12102 df-ndx 16488 df-slot 16489 df-sets 16492 df-itv 26226 df-lng 26227 df-ttg 26662 |
This theorem is referenced by: ttgbtwnid 26672 ttgcontlem1 26673 |
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