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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 2765 | . . . 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 29221 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ ran 𝐿) |
| 8 | 7 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝐴 ∈ ran 𝐿) |
| 9 | eqid 2765 | . . . . 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 29222 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝐵 ∈ ran 𝐿) |
| 13 | simpr 490 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝑦 ∈ 𝐵) | |
| 14 | 1, 2, 9, 10, 12, 13 | tglnpt 28847 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝑦 ∈ (Base‘𝐺)) |
| 15 | 2, 4, 5, 6 | prlngrcl2 29222 | . . . . . . 7 ⊢ (𝜑 → 𝐵 ∈ ran 𝐿) |
| 16 | prlngpln3.x | . . . . . . 7 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 17 | 1, 2, 9, 5, 15, 16 | tglnpt 28847 | . . . . . 6 ⊢ (𝜑 → 𝑋 ∈ (Base‘𝐺)) |
| 18 | incom 4162 | . . . . . . . 8 ⊢ (𝐴 ∩ 𝐵) = (𝐵 ∩ 𝐴) | |
| 19 | prlngpln3.2 | . . . . . . . . 9 ⊢ (𝜑 → 𝐴 ≠ 𝐵) | |
| 20 | 2, 4, 5, 6, 19 | prlngin0 29223 | . . . . . . . 8 ⊢ (𝜑 → (𝐴 ∩ 𝐵) = ∅) |
| 21 | 18, 20 | eqtr3id 2814 | . . . . . . 7 ⊢ (𝜑 → (𝐵 ∩ 𝐴) = ∅) |
| 22 | disjel 4417 | . . . . . . 7 ⊢ (((𝐵 ∩ 𝐴) = ∅ ∧ 𝑋 ∈ 𝐵) → ¬ 𝑋 ∈ 𝐴) | |
| 23 | 21, 16, 22 | syl2anc 596 | . . . . . 6 ⊢ (𝜑 → ¬ 𝑋 ∈ 𝐴) |
| 24 | 17, 23 | eldifd 3917 | . . . . 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 29225 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝑦((hpG‘𝐺)‘𝐴)𝑋) |
| 29 | 1, 2, 3, 8, 14, 25, 10, 28 | hpgssplng 29107 | . . 3 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝐵) → 𝑦 ∈ (𝐴𝐸𝑋)) |
| 30 | 29 | ex 418 | . 2 ⊢ (𝜑 → (𝑦 ∈ 𝐵 → 𝑦 ∈ (𝐴𝐸𝑋))) |
| 31 | 30 | ssrdv 3944 | 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 2146 ≠ wne 2960 ∖ cdif 3903 ∩ cin 3905 ⊆ wss 3906 ∅c0 4286 class class class wbr 5111 ran crn 5664 ‘cfv 6540 (class class class)co 7416 Basecbs 17286 TarskiGcstrkg 28725 Itvcitv 28731 LineGclng 28732 hlGcplng 29084 parlnGcprlng 29215 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7738 ax-cnex 11167 ax-resscn 11168 ax-1cn 11169 ax-icn 11170 ax-addcl 11171 ax-addrcl 11172 ax-mulcl 11173 ax-mulrcl 11174 ax-mulcom 11175 ax-addass 11176 ax-mulass 11177 ax-distr 11178 ax-i2m1 11179 ax-1ne0 11180 ax-1rid 11181 ax-rnegex 11182 ax-rrecex 11183 ax-cnre 11184 ax-pre-lttri 11185 ax-pre-lttrn 11186 ax-pre-ltadd 11187 ax-pre-mulgt0 11188 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-tp 4596 df-op 4598 df-uni 4875 df-int 4915 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7865 df-1st 7988 df-2nd 7989 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-1o 8455 df-oadd 8459 df-er 8696 df-map 8828 df-pm 8829 df-en 8946 df-dom 8947 df-sdom 8948 df-fin 8949 df-dju 9899 df-card 9937 df-pnf 11256 df-mnf 11257 df-xr 11258 df-ltxr 11259 df-le 11260 df-sub 11454 df-neg 11455 df-nn 12245 df-2 12314 df-3 12315 df-n0 12516 df-xnn0 12589 df-z 12603 df-uz 12874 df-fz 13547 df-fzo 13695 df-hash 14380 df-word 14564 df-concat 14621 df-s1 14648 df-s2 14904 df-s3 14905 df-trkgc 28746 df-trkgb 28747 df-trkgcb 28748 df-trkgld 28750 df-trkg 28751 df-cgrg 28809 df-leg 28881 df-hlg 28899 df-mir 28959 df-rag 29003 df-perpg 29005 df-hpg 29069 df-plng 29085 df-prlng 29216 |
| This theorem is used by: prlngmolem2 29232 prlngpln4 29237 quadcgrprlng 29245 |
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