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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 2761 | . . . 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 29413 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ ran 𝐿) |
| 8 | 7 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝐴 ∈ ran 𝐿) |
| 9 | eqid 2761 | . . . . 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 29414 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝐵 ∈ ran 𝐿) |
| 13 | simpr 490 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝑦 ∈ 𝐵) | |
| 14 | 1, 2, 9, 10, 12, 13 | tglnpt 29005 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝑦 ∈ (Base‘𝐺)) |
| 15 | 2, 4, 5, 6 | prlngrcl2 29414 | . . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ ran 𝐿) |
| 16 | prlngpln3.x | . . . . . . 7 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 17 | 1, 2, 9, 5, 15, 16 | tglnpt 29005 | . . . . . 6 ⊢ (𝜑 → 𝑋 ∈ (Base‘𝐺)) |
| 18 | incom 4155 | . . . . . . . 8 ⊢ (𝐴 ∩ 𝐵) = (𝐵 ∩ 𝐴) | |
| 19 | prlngpln3.2 | . . . . . . . . 9 ⊢ (𝜑 → 𝐴 ≠ 𝐵) | |
| 20 | 2, 4, 5, 6, 19 | prlngin0 29415 | . . . . . . . 8 ⊢ (𝜑 → (𝐴 ∩ 𝐵) = ∅) |
| 21 | 18, 20 | eqtr3id 2810 | . . . . . . 7 ⊢ (𝜑 → (𝐵 ∩ 𝐴) = ∅) |
| 22 | disjel 4410 | . . . . . . 7 ⊢ (((𝐵 ∩ 𝐴) = ∅ ∧ 𝑋 ∈ 𝐵) → ¬ 𝑋 ∈ 𝐴) | |
| 23 | 21, 16, 22 | syl2anc 596 | . . . . . 6 ⊢ (𝜑 → ¬ 𝑋 ∈ 𝐴) |
| 24 | 17, 23 | eldifd 3910 | . . . . 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 29417 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝑦((hpG‘𝐺)‘𝐴)𝑋) |
| 29 | 1, 2, 3, 8, 14, 25, 10, 28 | hpgssplng 29267 | . . 3 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝑦 ∈ (𝐴𝐸𝑋)) |
| 30 | 29 | ex 418 | . 2 ⊢ (𝜑 → (𝑦 ∈ 𝐵 → 𝑦 ∈ (𝐴𝐸𝑋))) |
| 31 | 30 | ssrdv 3937 | 1 ⊢ (𝜑 → 𝐵 ⊆ (𝐴𝐸𝑋)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ≠ wne 2956 ∖ cdif 3896 ∩ cin 3898 ⊆ wss 3899 ∅c0 4279 class class class wbr 5103 ran crn 5652 ‘cfv 6537 (class class class)co 7418 Basecbs 17380 TarskiGcstrkg 28882 Itvcitv 28888 LineGclng 28889 hlGcplng 29244 parlnGcprlng 29407 |
| 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 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 ax-cnex 11249 ax-resscn 11250 ax-1cn 11251 ax-icn 11252 ax-addcl 11253 ax-addrcl 11254 ax-mulcl 11255 ax-mulrcl 11256 ax-mulcom 11257 ax-addass 11258 ax-mulass 11259 ax-distr 11260 ax-i2m1 11261 ax-1ne0 11262 ax-1rid 11263 ax-rnegex 11264 ax-rrecex 11265 ax-cnre 11266 ax-pre-lttri 11267 ax-pre-lttrn 11268 ax-pre-ltadd 11269 ax-pre-mulgt0 11270 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 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 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7375 df-ov 7421 df-oprab 7422 df-mpo 7423 df-om 7876 df-1st 7999 df-2nd 8000 df-frecs 8292 df-wrecs 8323 df-recs 8372 df-rdg 8411 df-1o 8469 df-oadd 8473 df-er 8710 df-map 8842 df-pm 8843 df-en 8967 df-dom 8968 df-sdom 8969 df-fin 8970 df-dju 9975 df-card 10013 df-pnf 11338 df-mnf 11339 df-xr 11340 df-ltxr 11341 df-le 11342 df-sub 11536 df-neg 11537 df-nn 12329 df-2 12398 df-3 12399 df-n0 12600 df-xnn0 12673 df-z 12687 df-uz 12959 df-fz 13633 df-fzo 13782 df-hash 14468 df-word 14652 df-concat 14709 df-s1 14736 df-s2 14992 df-s3 14993 df-trkgc 28903 df-trkgb 28904 df-trkgcb 28905 df-trkgld 28907 df-trkg 28908 df-cgrg 28967 df-leg 29039 df-hlg 29057 df-mir 29118 df-rag 29162 df-perpg 29164 df-hpg 29229 df-plng 29245 df-prlng 29408 |
| This theorem is used by: prlngmolem2 29424 prlngpln4 29429 quadcgrprlng 29437 |
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