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| Mirrors > Home > MPE Home > Th. List > prlngpln3 | Structured version Visualization version GIF version | ||
| Description: Two parallel lines are on a common plane. (Contributed by Thierry Arnoux, 5-Jul-2026.) |
| Ref | Expression |
|---|---|
| prlngpln3.l | ⊢ 𝐿 = (LineG‘𝐺) |
| prlngpln3.e | ⊢ 𝐸 = (hlG‘𝐺) |
| prlngpln3.p | ⊢ ∥ = (parlnG‘𝐺) |
| prlngpln3.g | ⊢ (𝜑 → 𝐺 ∈ TarskiG) |
| prlngpln3.1 | ⊢ (𝜑 → 𝐴 ∥ 𝐵) |
| prlngpln3.2 | ⊢ (𝜑 → 𝐴 ≠ 𝐵) |
| prlngpln3.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| Ref | Expression |
|---|---|
| prlngpln3 | ⊢ (𝜑 → 𝐵 ⊆ (𝐴𝐸𝑋)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2760 | . . . 4 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 2 | prlngpln3.l | . . . 4 ⊢ 𝐿 = (LineG‘𝐺) | |
| 3 | prlngpln3.e | . . . 4 ⊢ 𝐸 = (hlG‘𝐺) | |
| 4 | prlngpln3.p | . . . . . 6 ⊢ ∥ = (parlnG‘𝐺) | |
| 5 | prlngpln3.g | . . . . . 6 ⊢ (𝜑 → 𝐺 ∈ TarskiG) | |
| 6 | prlngpln3.1 | . . . . . 6 ⊢ (𝜑 → 𝐴 ∥ 𝐵) | |
| 7 | 2, 4, 5, 6 | prlngrcl1 29426 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ ran 𝐿) |
| 8 | 7 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝐴 ∈ ran 𝐿) |
| 9 | eqid 2760 | . . . . 5 ⊢ (Itv‘𝐺) = (Itv‘𝐺) | |
| 10 | 5 | adantr 486 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝐺 ∈ TarskiG) |
| 11 | 6 | adantr 486 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝐴 ∥ 𝐵) |
| 12 | 2, 4, 10, 11 | prlngrcl2 29427 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝐵 ∈ ran 𝐿) |
| 13 | simpr 490 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝑦 ∈ 𝐵) | |
| 14 | 1, 2, 9, 10, 12, 13 | tglnpt 29018 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝑦 ∈ (Base‘𝐺)) |
| 15 | 2, 4, 5, 6 | prlngrcl2 29427 | . . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ ran 𝐿) |
| 16 | prlngpln3.x | . . . . . . 7 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 17 | 1, 2, 9, 5, 15, 16 | tglnpt 29018 | . . . . . 6 ⊢ (𝜑 → 𝑋 ∈ (Base‘𝐺)) |
| 18 | incom 4106 | . . . . . . . 8 ⊢ (𝐴 ∩ 𝐵) = (𝐵 ∩ 𝐴) | |
| 19 | prlngpln3.2 | . . . . . . . . 9 ⊢ (𝜑 → 𝐴 ≠ 𝐵) | |
| 20 | 2, 4, 5, 6, 19 | prlngin0 29428 | . . . . . . . 8 ⊢ (𝜑 → (𝐴 ∩ 𝐵) = ∅) |
| 21 | 18, 20 | eqtr3id 2809 | . . . . . . 7 ⊢ (𝜑 → (𝐵 ∩ 𝐴) = ∅) |
| 22 | disjel 4409 | . . . . . . 7 ⊢ (((𝐵 ∩ 𝐴) = ∅ ∧ 𝑋 ∈ 𝐵) → ¬ 𝑋 ∈ 𝐴) | |
| 23 | 21, 16, 22 | syl2anc 596 | . . . . . 6 ⊢ (𝜑 → ¬ 𝑋 ∈ 𝐴) |
| 24 | 17, 23 | eldifd 4050 | . . . . 5 ⊢ (𝜑 → 𝑋 ∈ ((Base‘𝐺) ∖ 𝐴)) |
| 25 | 24 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝑋 ∈ ((Base‘𝐺) ∖ 𝐴)) |
| 26 | 19 | adantr 486 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝐴 ≠ 𝐵) |
| 27 | 16 | adantr 486 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝑋 ∈ 𝐵) |
| 28 | 2, 3, 4, 10, 11, 26, 13, 27 | prlnghpg 29430 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝑦((hpG‘𝐺)‘𝐴)𝑋) |
| 29 | 1, 2, 3, 8, 14, 25, 10, 28 | hpgssplng 29280 | . . 3 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝑦 ∈ (𝐴𝐸𝑋)) |
| 30 | 29 | ex 418 | . 2 ⊢ (𝜑 → (𝑦 ∈ 𝐵 → 𝑦 ∈ (𝐴𝐸𝑋))) |
| 31 | 30 | ssrdv 3914 | 1 ⊢ (𝜑 → 𝐵 ⊆ (𝐴𝐸𝑋)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ wa 401 = wceq 1569 ∈ wcel 2144 ≠ wne 2955 ⊆ wss 3895 ∖ cdif 4045 ∩ cin 4089 ∅c0 4278 class class class wbr 5102 ran crn 5651 ‘cfv 6539 (class class class)co 7421 Basecbs 17393 TarskiGcstrkg 28895 Itvcitv 28901 LineGclng 28902 hlGcplng 29257 parlnGcprlng 29420 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-cnex 11260 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 ax-pre-mulgt0 11281 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 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-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-om 7879 df-1st 8002 df-2nd 8003 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-1o 8480 df-oadd 8484 df-er 8721 df-map 8853 df-pm 8854 df-en 8978 df-dom 8979 df-sdom 8980 df-fin 8981 df-dju 9986 df-card 10024 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 df-sub 11547 df-neg 11548 df-nn 12340 df-2 12409 df-3 12410 df-n0 12611 df-xnn0 12684 df-z 12698 df-uz 12970 df-fz 13644 df-fzo 13793 df-hash 14479 df-word 14663 df-concat 14720 df-s1 14747 df-s2 15004 df-s3 15005 df-trkgc 28916 df-trkgb 28917 df-trkgcb 28918 df-trkgld 28920 df-trkg 28921 df-cgrg 28980 df-leg 29052 df-hlg 29070 df-mir 29131 df-rag 29175 df-perpg 29177 df-hpg 29242 df-plng 29258 df-prlng 29421 |
| This theorem is used by: prlngmolem2 29437 prlngpln4 29442 quadcgrprlng 29450 |
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