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| Mirrors > Home > MPE Home > Th. List > Mathboxes > cgranbtwn | Structured version Visualization version GIF version | ||
| Description: Null angle implies betweenness. (Contributed by SS, 4-Jun-2026.) |
| Ref | Expression |
|---|---|
| cgranbtwn.p | ⊢ 𝑃 = (Base‘𝐺) |
| cgranbtwn.i | ⊢ 𝐼 = (Itv‘𝐺) |
| cgranbtwn.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| cgranbtwn.a | ⊢ (𝜑 → 𝐴 ∈ 𝑃) |
| cgranbtwn.b | ⊢ (𝜑 → 𝐵 ∈ 𝑃) |
| cgranbtwn.c | ⊢ (𝜑 → 𝐶 ∈ 𝑃) |
| cgranbtwn.d | ⊢ (𝜑 → 𝐷 ∈ 𝑃) |
| cgranbtwn.e | ⊢ (𝜑 → 𝐸 ∈ 𝑃) |
| cgranbtwn.f | ⊢ (𝜑 → 𝐹 ∈ 𝑃) |
| cgranbtwn.1 | ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉(cgrA‘𝐺)〈“𝐷𝐸𝐹”〉) |
| cgranbtwn.2 | ⊢ (𝜑 → 𝐴 ∈ (𝐵𝐼𝐶)) |
| Ref | Expression |
|---|---|
| cgranbtwn | ⊢ (𝜑 → (𝐷 ∈ (𝐸𝐼𝐹) ∨ 𝐹 ∈ (𝐸𝐼𝐷))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cgranbtwn.p | . . . 4 ⊢ 𝑃 = (Base‘𝐺) | |
| 2 | cgranbtwn.i | . . . 4 ⊢ 𝐼 = (Itv‘𝐺) | |
| 3 | eqid 2760 | . . . 4 ⊢ (dist‘𝐺) = (dist‘𝐺) | |
| 4 | cgranbtwn.g | . . . 4 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 5 | cgranbtwn.a | . . . 4 ⊢ (𝜑 → 𝐴 ∈ 𝑃) | |
| 6 | cgranbtwn.b | . . . 4 ⊢ (𝜑 → 𝐵 ∈ 𝑃) | |
| 7 | cgranbtwn.c | . . . 4 ⊢ (𝜑 → 𝐶 ∈ 𝑃) | |
| 8 | cgranbtwn.d | . . . 4 ⊢ (𝜑 → 𝐷 ∈ 𝑃) | |
| 9 | cgranbtwn.e | . . . 4 ⊢ (𝜑 → 𝐸 ∈ 𝑃) | |
| 10 | cgranbtwn.f | . . . 4 ⊢ (𝜑 → 𝐹 ∈ 𝑃) | |
| 11 | cgranbtwn.1 | . . . 4 ⊢ (𝜑 → 〈“𝐴𝐵𝐶”〉(cgrA‘𝐺)〈“𝐷𝐸𝐹”〉) | |
| 12 | eqid 2760 | . . . 4 ⊢ (hlG‘𝐺) = (hlG‘𝐺) | |
| 13 | cgranbtwn.2 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ (𝐵𝐼𝐶)) | |
| 14 | 1, 2, 12, 4, 5, 6, 7, 8, 9, 10, 11 | cgrane2 29231 | . . . . 5 ⊢ (𝜑 → 𝐵 ≠ 𝐶) |
| 15 | 1, 2, 12, 4, 5, 6, 7, 8, 9, 10, 11 | cgrane1 29230 | . . . . 5 ⊢ (𝜑 → 𝐴 ≠ 𝐵) |
| 16 | 1, 2, 12, 6, 7, 5, 4, 5, 13, 14, 15 | btwnhl1 28989 | . . . 4 ⊢ (𝜑 → 𝐴((hlG‘𝐺)‘𝐵)𝐶) |
| 17 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 16 | cgrahl 29246 | . . 3 ⊢ (𝜑 → 𝐷((hlG‘𝐺)‘𝐸)𝐹) |
| 18 | 1, 2, 12, 8, 10, 9, 4 | ishlg 28979 | . . 3 ⊢ (𝜑 → (𝐷((hlG‘𝐺)‘𝐸)𝐹 ↔ (𝐷 ≠ 𝐸 ∧ 𝐹 ≠ 𝐸 ∧ (𝐷 ∈ (𝐸𝐼𝐹) ∨ 𝐹 ∈ (𝐸𝐼𝐷))))) |
| 19 | 17, 18 | mpbid 235 | . 2 ⊢ (𝜑 → (𝐷 ≠ 𝐸 ∧ 𝐹 ≠ 𝐸 ∧ (𝐷 ∈ (𝐸𝐼𝐹) ∨ 𝐹 ∈ (𝐸𝐼𝐷)))) |
| 20 | 19 | simp3d 1162 | 1 ⊢ (𝜑 → (𝐷 ∈ (𝐸𝐼𝐹) ∨ 𝐹 ∈ (𝐸𝐼𝐷))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∨ wo 861 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 ≠ wne 2955 class class class wbr 5103 ‘cfv 6535 (class class class)co 7416 〈“cs3 14938 Basecbs 17326 distcds 17376 TarskiGcstrkg 28800 Itvcitv 28806 hlGchlg 28974 cgrAccgra 29225 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7742 ax-cnex 11205 ax-resscn 11206 ax-1cn 11207 ax-icn 11208 ax-addcl 11209 ax-addrcl 11210 ax-mulcl 11211 ax-mulrcl 11212 ax-mulcom 11213 ax-addass 11214 ax-mulass 11215 ax-distr 11216 ax-i2m1 11217 ax-1ne0 11218 ax-1rid 11219 ax-rnegex 11220 ax-rrecex 11221 ax-cnre 11222 ax-pre-lttri 11223 ax-pre-lttrn 11224 ax-pre-ltadd 11225 ax-pre-mulgt0 11226 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 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 6301 df-ord 6362 df-on 6363 df-lim 6364 df-suc 6365 df-iota 6491 df-fun 6537 df-fn 6538 df-f 6539 df-f1 6540 df-fo 6541 df-f1o 6542 df-fv 6543 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7869 df-1st 7992 df-2nd 7993 df-frecs 8285 df-wrecs 8316 df-recs 8365 df-rdg 8404 df-1o 8462 df-oadd 8466 df-er 8703 df-map 8835 df-pm 8836 df-en 8960 df-dom 8961 df-sdom 8962 df-fin 8963 df-dju 9931 df-card 9969 df-pnf 11294 df-mnf 11295 df-xr 11296 df-ltxr 11297 df-le 11298 df-sub 11492 df-neg 11493 df-nn 12283 df-2 12352 df-3 12353 df-n0 12554 df-xnn0 12627 df-z 12641 df-uz 12913 df-fz 13587 df-fzo 13735 df-hash 14420 df-word 14604 df-concat 14661 df-s1 14688 df-s2 14944 df-s3 14945 df-trkgc 28821 df-trkgb 28822 df-trkgcb 28823 df-trkg 28826 df-cgrg 28885 df-hlg 28975 df-cgra 29226 |
| This theorem is used by: morleylemrneab 35212 |
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