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Mirrors > Home > MPE Home > Th. List > Mathboxes > lplni | Structured version Visualization version GIF version |
Description: Condition implying a lattice plane. (Contributed by NM, 20-Jun-2012.) |
Ref | Expression |
---|---|
lplnset.b | ⊢ 𝐵 = (Base‘𝐾) |
lplnset.c | ⊢ 𝐶 = ( ⋖ ‘𝐾) |
lplnset.n | ⊢ 𝑁 = (LLines‘𝐾) |
lplnset.p | ⊢ 𝑃 = (LPlanes‘𝐾) |
Ref | Expression |
---|---|
lplni | ⊢ (((𝐾 ∈ 𝐷 ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝑁) ∧ 𝑋𝐶𝑌) → 𝑌 ∈ 𝑃) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl2 1189 | . 2 ⊢ (((𝐾 ∈ 𝐷 ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝑁) ∧ 𝑋𝐶𝑌) → 𝑌 ∈ 𝐵) | |
2 | breq1 5039 | . . . 4 ⊢ (𝑥 = 𝑋 → (𝑥𝐶𝑌 ↔ 𝑋𝐶𝑌)) | |
3 | 2 | rspcev 3543 | . . 3 ⊢ ((𝑋 ∈ 𝑁 ∧ 𝑋𝐶𝑌) → ∃𝑥 ∈ 𝑁 𝑥𝐶𝑌) |
4 | 3 | 3ad2antl3 1184 | . 2 ⊢ (((𝐾 ∈ 𝐷 ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝑁) ∧ 𝑋𝐶𝑌) → ∃𝑥 ∈ 𝑁 𝑥𝐶𝑌) |
5 | simpl1 1188 | . . 3 ⊢ (((𝐾 ∈ 𝐷 ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝑁) ∧ 𝑋𝐶𝑌) → 𝐾 ∈ 𝐷) | |
6 | lplnset.b | . . . 4 ⊢ 𝐵 = (Base‘𝐾) | |
7 | lplnset.c | . . . 4 ⊢ 𝐶 = ( ⋖ ‘𝐾) | |
8 | lplnset.n | . . . 4 ⊢ 𝑁 = (LLines‘𝐾) | |
9 | lplnset.p | . . . 4 ⊢ 𝑃 = (LPlanes‘𝐾) | |
10 | 6, 7, 8, 9 | islpln 37140 | . . 3 ⊢ (𝐾 ∈ 𝐷 → (𝑌 ∈ 𝑃 ↔ (𝑌 ∈ 𝐵 ∧ ∃𝑥 ∈ 𝑁 𝑥𝐶𝑌))) |
11 | 5, 10 | syl 17 | . 2 ⊢ (((𝐾 ∈ 𝐷 ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝑁) ∧ 𝑋𝐶𝑌) → (𝑌 ∈ 𝑃 ↔ (𝑌 ∈ 𝐵 ∧ ∃𝑥 ∈ 𝑁 𝑥𝐶𝑌))) |
12 | 1, 4, 11 | mpbir2and 712 | 1 ⊢ (((𝐾 ∈ 𝐷 ∧ 𝑌 ∈ 𝐵 ∧ 𝑋 ∈ 𝑁) ∧ 𝑋𝐶𝑌) → 𝑌 ∈ 𝑃) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 ∧ w3a 1084 = wceq 1538 ∈ wcel 2111 ∃wrex 3071 class class class wbr 5036 ‘cfv 6340 Basecbs 16554 ⋖ ccvr 36872 LLinesclln 37101 LPlanesclpl 37102 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2729 ax-sep 5173 ax-nul 5180 ax-pr 5302 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-fal 1551 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2557 df-eu 2588 df-clab 2736 df-cleq 2750 df-clel 2830 df-nfc 2901 df-ral 3075 df-rex 3076 df-rab 3079 df-v 3411 df-sbc 3699 df-dif 3863 df-un 3865 df-in 3867 df-ss 3877 df-nul 4228 df-if 4424 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4802 df-br 5037 df-opab 5099 df-mpt 5117 df-id 5434 df-xp 5534 df-rel 5535 df-cnv 5536 df-co 5537 df-dm 5538 df-iota 6299 df-fun 6342 df-fv 6348 df-lplanes 37109 |
This theorem is referenced by: lplnle 37150 llncvrlpln 37168 lplnexllnN 37174 |
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