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Mirrors > Home > MPE Home > Th. List > Mathboxes > islln | Structured version Visualization version GIF version |
Description: The predicate "is a lattice line". (Contributed by NM, 16-Jun-2012.) |
Ref | Expression |
---|---|
llnset.b | ⊢ 𝐵 = (Base‘𝐾) |
llnset.c | ⊢ 𝐶 = ( ⋖ ‘𝐾) |
llnset.a | ⊢ 𝐴 = (Atoms‘𝐾) |
llnset.n | ⊢ 𝑁 = (LLines‘𝐾) |
Ref | Expression |
---|---|
islln | ⊢ (𝐾 ∈ 𝐷 → (𝑋 ∈ 𝑁 ↔ (𝑋 ∈ 𝐵 ∧ ∃𝑝 ∈ 𝐴 𝑝𝐶𝑋))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | llnset.b | . . . 4 ⊢ 𝐵 = (Base‘𝐾) | |
2 | llnset.c | . . . 4 ⊢ 𝐶 = ( ⋖ ‘𝐾) | |
3 | llnset.a | . . . 4 ⊢ 𝐴 = (Atoms‘𝐾) | |
4 | llnset.n | . . . 4 ⊢ 𝑁 = (LLines‘𝐾) | |
5 | 1, 2, 3, 4 | llnset 37205 | . . 3 ⊢ (𝐾 ∈ 𝐷 → 𝑁 = {𝑥 ∈ 𝐵 ∣ ∃𝑝 ∈ 𝐴 𝑝𝐶𝑥}) |
6 | 5 | eleq2d 2816 | . 2 ⊢ (𝐾 ∈ 𝐷 → (𝑋 ∈ 𝑁 ↔ 𝑋 ∈ {𝑥 ∈ 𝐵 ∣ ∃𝑝 ∈ 𝐴 𝑝𝐶𝑥})) |
7 | breq2 5043 | . . . 4 ⊢ (𝑥 = 𝑋 → (𝑝𝐶𝑥 ↔ 𝑝𝐶𝑋)) | |
8 | 7 | rexbidv 3206 | . . 3 ⊢ (𝑥 = 𝑋 → (∃𝑝 ∈ 𝐴 𝑝𝐶𝑥 ↔ ∃𝑝 ∈ 𝐴 𝑝𝐶𝑋)) |
9 | 8 | elrab 3591 | . 2 ⊢ (𝑋 ∈ {𝑥 ∈ 𝐵 ∣ ∃𝑝 ∈ 𝐴 𝑝𝐶𝑥} ↔ (𝑋 ∈ 𝐵 ∧ ∃𝑝 ∈ 𝐴 𝑝𝐶𝑋)) |
10 | 6, 9 | bitrdi 290 | 1 ⊢ (𝐾 ∈ 𝐷 → (𝑋 ∈ 𝑁 ↔ (𝑋 ∈ 𝐵 ∧ ∃𝑝 ∈ 𝐴 𝑝𝐶𝑋))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 = wceq 1543 ∈ wcel 2112 ∃wrex 3052 {crab 3055 class class class wbr 5039 ‘cfv 6358 Basecbs 16666 ⋖ ccvr 36962 Atomscatm 36963 LLinesclln 37191 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 ax-sep 5177 ax-nul 5184 ax-pr 5307 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ral 3056 df-rex 3057 df-rab 3060 df-v 3400 df-sbc 3684 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-nul 4224 df-if 4426 df-sn 4528 df-pr 4530 df-op 4534 df-uni 4806 df-br 5040 df-opab 5102 df-mpt 5121 df-id 5440 df-xp 5542 df-rel 5543 df-cnv 5544 df-co 5545 df-dm 5546 df-iota 6316 df-fun 6360 df-fv 6366 df-llines 37198 |
This theorem is referenced by: islln4 37207 llni 37208 llnbase 37209 llnnleat 37213 |
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